Kodak 500 manuel d'utilisation

NOV AJET ® 500/630/700 SERIES COLOR INKJET PRINTER SER VICE MANUAL Part Number 213526-01 ®[...]

ii NovaJet 500/630/700 Series Service Manual Copyright © 1999-2002 Eastman Kodak Compa ny . All rights reserved. KODAK, ENCAD and NovaJet are trademarks of Eastman Kodak Comp any . Other trademarks and registered trademarks are the property of their respective owners. Except as provided below , no part of this manual may be copied or distributed, [...]

v NovaJet 500/630/700 Series Service Manual FCC Statement (U.S.A.) The United States Federal Communications Commision has specified that the following notice be brought to the attention of the users of the NOV AJET 500, 630 or 700 series printers. FEDERAL COMMUNICA TIONS COMMISION RADIO AND TELEVI- SION INTERFERENCE FOR CLASS B DEVICE This equipmen[...]

vi NovaJet 500/630/700 Series Service Manual for NovaJet 736 and 750 FCC Statement (U.S.A.) The United States Federal Communications Commision has specified that the following notice be brought to the attention of the users of the NOV AJET 736 or 750 printers. FEDERAL COMMUNICA TIONS COMMISION RADIO AND TELEVISION INTERFERENCE FOR CLASS A DEVICE Th[...]

vii NovaJet 500/630/700 Series Service Manual VDE Statement Hiermit wird bescheinigt, daß der NOV AJET 500/630/700 in Übereinstimmung mit den Bestimmungen der BMPT-AmstbIVfg 234/1991 funkentstört ist. Der vorschriftsmäßige Betrieb mancher Geräte (z.B. Meßsender) kann allerdings gewissen Einschränkungen unterliegen. Beachten Sie deshalb die [...]

viii NovaJet 500/630/700 Series Service Manual Material Safety Data Sheet ENCAD QIS (Quality Imaging Supplies) ink is nonhazardous, requiring no special disposal handling. It can be harmful if swallowed and should be kept away from children. T o obtain a Material Safety Data Sheet, contact ENCAD, Inc. at: 6059 Cornerstone Court West San Diego, CA 9[...]

ix NovaJet 500/630/700 Series Service Manual W ARRANTY OR DAMAGE CLAIMS United States ENCAD ® , Inc., warrants its printers ("P RODUCT ") to be free from defects in workmanship and materials for a period of one year from the date of purchase. In order to submit a W arranty claim, please contact the ENCAD Help Desk at (619) 452-4350. ENCA[...]

x NovaJet 500/630/700 Series Service Manual T able of Contents Chapter 1 General Description ............................................................ 1-1 Introduction ............................................................................................................... 1 - 1 Overview ....................................................[...]

xi NovaJet 500/630/700 Series Service Manual Service Station Cleaning .............................................................................. 3 - 2 Slide Shaft Cleaning ..................................................................................... 3 - 3 Linear Encoder Strip Cleaning ....................................................[...]

xii NovaJet 500/630/700 Series Service Manual Internal ERROR “Encoder Sensor Failure” .......................................................... 4 - 5 Internal ERROR “Paper Sensor Failure” .............................................................. 4 - 5 Internal ERROR “Auto-Sensor Failure” ...........................................[...]

xiii NovaJet 500/630/700 Series Service Manual Remove Servo Motor ............................................................................................... 5-18 Install Servo Motor .................................................................................................. 5-20 Remove the Ink Delivery System . ..........................[...]

xiv NovaJet 500/630/700 Series Service Manual List of Illustrations Figure Page Chapter 1 General Description 1-1. No va Je t 5 00 /6 30 /7 00 Se ri es In kj et P ri n ters ..................................................... 1 - 1 Chapter 2 Theory of Operation 2-1. General Block Diagram ............................................................[...]

xv NovaJet 500/630/700 Series Service Manual List of Illustrations (cont) Figure Page Chapter 3 Maintenance (cont) 3-17. T est Cartridge Installed .................................................................................. 3-23 3-18. Support Bracket Placement .......................................................................... 3-24 3-1[...]

xvi NovaJet 500/630/700 Series Service Manual List of Illustrations (cont) Figure Page Chapter 5 Assembly/Disassembly (cont) 5-9. Cooling Fan/AC Entry Module Removal ......................................................... 5-17 5-10. Slacken Carriage Belt ................................................................................... 5-19 5- 1[...]

xvii NovaJet 500/630/700 Series Service Manual List of T ables T able Page Chapter 1 General Description Chapter 2 Theory of Operation Chapter 3 Maintenance 3-1. MP WA Connections T able .............................................................................. 3 - 9 3-2. Carriage PW A Connections T able ........................................[...]

xviii NovaJet 500/630/700 Series Service Manual This Page Intentionally Left Blank[...]

1 1-1 GENERAL DESCRIPTION General Description Figure 1-1. NovaJet 500/630/700 Series Inkjet Printers. Introduction This manual provides service information for the ENCAD ® , Inc. NovaJet ® 500 , NovaJet 630 and the NovaJet 700 Series of Color Inkjet Printers. The NovaJet 500 series includes the NovaJet 500 and NovaJet 505 printers. The NovaJet 70[...]

1 - 2 General Description NovaJet 500/630/700 Series Service Manual be read and thoroughly understood before troubleshooting/calibrating the printers. The printers support pre-cut and roll media. Media size is automati- cally determined and hardclip limits are set accordingly. Pre-cut media uses different maximum plotting areas than roll media. See[...]

General Description 1 - 3 NovaJet 500/630/700 Series Service Manual GENERAL DESCRIPTION Overview Printers draw according to instructions issued from a “host” com- puter. Every printer is engineered to understand a specific set of instructions and to execute each instruction in a precise manner. In addition, most printers are designed to execute[...]

1 - 4 General Description NovaJet 500/630/700 Series Service Manual W arnings, Cautions and Notes Warnings, cautions and notes are used when additional information, instructions or care should be observed. In this manual warnings, cautions and notes precede the text to which each applies. The defini- tion of each is provided below. WARNINGS - Warni[...]

General Description 1 - 5 NovaJet 500/630/700 Series Service Manual GENERAL DESCRIPTION Printer Specifications The specifications and performance characteristics of the NovaJet 500/630/700 Series Color Inkjet Printers are as follows: Max Printing Area: 42 inch 60 inch No rm 40.8” 58.8” 1.04m 1.49m Extend 41.61” 59.61” 1.06m 1.51m Language E[...]

1 - 6 General Description NovaJet 500/630/700 Series Service Manual Contents of this Service Manual Figures are used in this manual to clarify procedures. They are for illustrative purposes only and may not necessarily be drawn to scale. Material in this manual may be repeated in various chapters so that each chapter can “stand alone”. This all[...]

General Description 1 - 7 NovaJet 500/630/700 Series Service Manual GENERAL DESCRIPTION Chapter 2 THEORY OF OPERATION - Functional descriptions of the overall printer and major assemblies are contained in this chapter. Chapter 3 MAINTENANCE - This chapter covers the scheduled maintenance, cleaning procedures and alignment/adjustments recommended to[...]

1 - 8 General Description NovaJet 500/630/700 Series Service Manual T echnical Support ENCAD offers full technical support and service for its various prod- ucts. If you are unable to find the answer to your question in either the User’s Guide, Service Manual, or other related publications, check out ENCAD’s Knowledge Base located on ENCAD’s [...]

2 2-1 THEORY OF OPERA TION Introduction This chapter explains the mechanical and electrical theory of operation of the ENCAD NovaJet 500/630/700 Series Color Inkjet printers. The NovaJet 500/630/700 Series is a PowerPC 33MHz microprocessor- based digital printer that receives plotting instructions from a host computer through either the RS-422 seri[...]

2 - 2 Theory of Operation NovaJet 500/630/700 Series Service Manual CARR IAGE A XIS DRIVE ELECTRIC AL CO NNECTI ON MECHA NICAL CONNE CTION MA IN DA T A B US MP W A CONT ROL PA N E L STEP PER MOT OR SERVO MOT OR MIC RO- PROC ESSO R ME MOR Y CIRC UITS GA TE ARRA Y CA RRIAGE ASSEM BL Y CA RRIAGE PCB P APE R SENSO R LOWER DRIV E ASSEM BL Y LEGEND ENCO [...]

Theory of Operation 2 -3 NovaJet 500/630/700 Series Service Manual THEORY OF OPERA TION Paper (Media) Axis Drive LOWER ROLLER SHAFT ASSY PINCH ROLLERS STEPPER MOTOR REDUCTION GEAR Figure 2-2. Paper (Media) Axis Drive. The Paper (Media) Axis Drive moves the plotting media in a direction perpendicular to the length of the printer. This friction drive[...]

2 - 4 Theory of Operation NovaJet 500/630/700 Series Service Manual The Carriage Axis Drive SERVO MOTOR BEL T TENSIONING ASSY ENCODER STRIP Figure 2-3. Carriage Axis Drive. The Carriage Axis Drive moves the printer’s carriage assembly along the length of the printer. The drive consists of a servo motor, linear encoder strip, drive belt, and tensi[...]

Theory of Operation 2 -5 NovaJet 500/630/700 Series Service Manual THEORY OF OPERA TION Media Feed and Take-Up System REFLECTOR REFLECTOR SENSORS Figure 2-4. Power Feed and Take-Up System. The media feed and take-up system comprises of two optical sensors, two dc motors and a dryer assembly. See Figure 2-4. The NovaJet 750 uses a thermal drying sys[...]

2 - 6 Theory of Operation NovaJet 500/630/700 Series Service Manual Main Printed Wiring Assembly (MPWA) CONTROL PA N E L SERIAL EEPRO M MICRO- PROC ESSO R (CPU ) CRYSTAL X1 STEPP ER M OTOR CONTROL LER FL ASH EEPRO M DYNAM IC RAM (SI MM) GA TE ARRA Y SERVO MOTO R CONTROL LER CARRIA GE PWA PA R A LL E L DA T A BUS SERIAL MEMOR Y C IRCUI TS INTERFACE [...]

Theory of Operation 2 -7 NovaJet 500/630/700 Series Service Manual THEORY OF OPERA TION Microprocessor The microprocessor (an IBM PowerPC) is the central processor unit which supervises system functions, executes the printer firmware, manipulates data, and controls input/output data busses. It has two built-in serial ports, a two channel DMA (Direc[...]

2 - 8 Theory of Operation NovaJet 500/630/700 Series Service Manual The gate array contains the hardware logic for jet firing, monitoring changes in the Carriage Assembly position, controlling DMA through the parallel port, and generating the PWM (Pulse Width Modulation) waveforms for the servo controller. The gate array is a Xilinx device. It is a[...]

Theory of Operation 2 -9 NovaJet 500/630/700 Series Service Manual THEORY OF OPERA TION The system firmware is stored in Flash EEPROM. The Flash EEPROM allows the firmware to be upgraded by downloading the files containing the new firmware. It can be erased and reprogrammed more than 10,000 times. The term “Flash” means that bytes cannot be ind[...]

2-10 Theory of Operation NovaJet 500/630/700 Series Service Manual Serial EEPROM Serial EEPROM is an Electrically Erasable, Programmable, Read Only Memory which provides storage for calibration constants and user configuration data entered from the host computer. An 8K bit serial nonvolatile EEPROM stores calibration and configura- tion information[...]

Theory of Operation 2-11 NovaJet 500/630/700 Series Service Manual THEORY OF OPERA TION Each circuit contains four main functions (see Figure 2-7): 1. Reference waveform generator The microprocessor uses a D/A (digital to analog) converter to set the desired level for the current in the stepper motor winding. The output of the D/A converter varies [...]

2-12 Theory of Operation NovaJet 500/630/700 Series Service Manual Servo Motor Controller GA TE ARRA Y MOT OR DRIVER SERVO CONNECTO R CARRIAGE CONNECTO R SERVO MOT OR CARRIAGE ENCODER MAIN P WA Figure 2-8. Servo Motor Controller. The Carriage Assembly is driven by the Servo Motor. The speed of the Carriage Assembly is controlled by varying the duty[...]

Theory of Operation 2-13 NovaJet 500/630/700 Series Service Manual THEORY OF OPERA TION OUTP U T OF DE TECT OR 2 COM POSITE T RANSITION -TRIGGERED O UTP UT OF BOTH D ETECT ORS OUTP U T OF DE TECT OR 1 4 OUTPU T PU LSE S PER OPTICAL LIN E DETECTOR 2 DETECTOR 1 ENCODER STRIP Figure 2-9. Quadrature Signal Generation. The direction that the Carriage As[...]

2-14 Theory of Operation NovaJet 500/630/700 Series Service Manual Interface Circuits: Serial & Parallel SERIAL CONNECTOR TRANSCEIVER MICRO- PROCESSOR GA TE ARRA Y P ARALLEL CONNECTOR Figure 2-10. Interface Circuits. Data from the host computer is received either through the Centronics parallel port or the serial port. The gate array provides t[...]

Theory of Operation 2-15 NovaJet 500/630/700 Series Service Manual THEORY OF OPERA TION Carriage Assembly Circuits CA RTRIDG E 1 CA RTRIDG E 2 CA RTRIDG E 3 CA RTRIDG E 4 OPTICAL E N CODER OPTICAL S ENSOR P APE R SE NSO R CARRIAGE PWA TRAILI NG CABLE CONNECTION FROM MPW A TRAILI NG CABLE INKJE T DRIVERS CAR RI AG E ASS EMBL Y Figure 2-11. Carriage [...]

2-16 Theory of Operation NovaJet 500/630/700 Series Service Manual The paper sensor circuitry senses for the presence of loaded media. It does this automatically during the start-up and load sequences. It also constantly monitors the media during printing to determine if the media has run out. If no paper is sensed, the paper sensor sends this info[...]

Theory of Operation 2-17 NovaJet 500/630/700 Series Service Manual THEORY OF OPERA TION Power Supply An internal UL recognized switching power module supplies power for the NovaJet 500/630/700 Series printers. It provides a constant 24VDC output from input voltage in the 90-132 VAC and 180-246 VAC ranges. A power switch turns the power on and off. [...]

2-18 Theory of Operation NovaJet 500/630/700 Series Service Manual On the NovaJet 500/505/630/700 printers a media drying fan assembly is attached to the lower part of the printer legs that is used to speed up the drying time of the ink that is deposited onto the media. This is to ensure that the ink is completely dry before the media is rolled ont[...]

3 MAINTENANCE 3-1 Maintenance Introduction This chapter contains general maintenance and cleaning instructions for the NovaJet 500/630/700 printers. Scheduled Maintenance Scheduled maintenance consists of a list of checks that are planned to be performed on a regular basis or when conditions warrant it. Scheduled maintenance can be thought of as pr[...]

3 -2 Maintenance NovaJet 500/630/700 Series Service Manual Cleaning Procedures W ARNING Always turn the printer OFF, remove the power cord and the interface cable before cleaning the printer. An electri- cal shock hazard may be present if these procedures are not followed. External Cleaning CAUTION Do not use abrasive cleansers of any sort on the s[...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3 -3 4. Using a cotton swab dampened with water, wipe the seals and the rubber wiper in the service station until no more ink residue or dust can be removed. 5. With a dry swab, wipe all moisture from the seals and wipers. 6. Close the lid and reconnect the power cord and interface c[...]

3 -4 Maintenance NovaJet 500/630/700 Series Service Manual 4. Wipe the length of the slide shaft with the moistened cloth or wipe. 5. Manually move the carriage assembly from side to side. 6. Wipe the shaft again to remove any deposits left from the carriage. 7. Close the cover and reconnect the power cord and interface cable, turn the printer ON a[...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3 -5 ENCODER STRIP COTTON SW AB Figure 3-1. Encoder Strip Cleaning. Cartridge Jet Area & Dimples Cleaning CARTRIDGE DIMPLE AREA Figure 3-2. Cartridge Dimple Region.[...]

3 -6 Maintenance NovaJet 500/630/700 Series Service Manual The cartridge dimple area can easily be contaminated by oils and dirt on fingers and hands or ink spilled onto them. This causes the cartridges to not receive some of the electrical signals for a proper firing of the jets. This can be seen as a misfiring of the cartridge. NOTE Care should b[...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3 -7 Cleaning the flex cable contact area is very important due to the ease of which this area can become dirty. The flex for the yellow cartridge is deceiving because it is not readily apparent that it is dirty. This also causes the cartridges to not receive all of the electrical si[...]

3 -8 Maintenance NovaJet 500/630/700 Series Service Manual Clean and Inspect Carriage Assembly Foreign material on the carriage assembly could short out signals being developed on the carriage assembly and cause erroneous prints or even damage to the carriage assembly. A very common problem is where ink has been spilled onto the carriage assembly. [...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3 -9 J8 J9 J7 J6 J5 J4 J3 J2 J1 J15 J12 J13 J15 J15 J15 Figure 3-4. Main PWA Connection Locations. Table 3-1. Main PWA Connections. J 1 Stepper Motor J 1 0 not used J 2 Servo Motor J 1 1 not used J 3 Leg Harness J 1 2 Display Data J 4 AutoLoad Sensor J 13 Keypad J 5 Vacuum Fan #1 J 1[...]

3-10 Maintenance NovaJet 500/630/700 Series Service Manual J4 J7 J3 J2 J1 J5 J6 Figure 3-5. Carriage PWA Connection Locations. Table 3-2. Carriage PWA Connections. J 1 Black Drivers J 5 Encoder Sensor J 2 Cyan Drivers J 6 Trailing Cable J 3 Magenta Drivers J 7 Paper Sensor J 4 Yellow Drivers[...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3-11 Figures 3-4 and 3-5 shows the locations of all the connectors on the MPWA and carriage board respectively. To remove the ribbon cables from their connectors, lift the connector’s ribbon locking mechanism as shown in figure 3-6. To reattach, depress the locking mechanism back i[...]

3-12 Maintenance NovaJet 500/630/700 Series Service Manual Servo Motor Winding Resistance Check Figure 3-7. Servo Motor. 1. Disconnect the servo motor connection from J2 on the MPWA. 2. Using a standard ohmmeter or multimeter, connect the meter leads to the two wires going to the motor. 3. While manually rotating the servo motor, monitor the readin[...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3-13 Stepper Motor Winding Resistance Check RED WIRE 7.2-8.0 ohms 7.2-8.0 ohms Figure 3-8. Stepper Motor. 1. Disconnect the stepper motor connection from J1 on the MPWA. 2. Using a standard ohmmeter or multimeter, measure between pins 1 (red wire) and 3. 3. The reading should indicat[...]

3-14 Maintenance NovaJet 500/630/700 Series Service Manual Power Feed and T ake-Up Motor Winding Resistance Check Figure 3-9. Power Feed and Take-Up Motor. 1. Remove the feed and/or take-up roll from the printer. 2. Using Phillips screwdriver, remove the four screws that secure the cradle idler from the right leg. 3. Ease the cradle idler off of th[...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3-15 Banding: Hardware vs Software The technician must be able to identify whether the banding that is being observed is related to either a hardware or a software problem. The two examples in Figure 3-10 represent classic types of hardware and software banding errors. HARDW ARE SOFT[...]

3-16 Maintenance NovaJet 500/630/700 Series Service Manual If the test file prints correctly, the problem lies in either the software package that generated the print or the RIP, if used. A simple test to determine if the banding is caused by the computer/ RIP/application or the printer is to rotate the image 90 degrees and see if the banding rotat[...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3-17 7. A flow restriction in the ink delivery system or ink starvation in the cartridge. Ink starvation in the cartridge can be caused by a broken valve in a quick release fitting or pinched tube in the ink supply lines of the tubing/chain assembly. Check the ink delivery system for[...]

3-18 Maintenance NovaJet 500/630/700 Series Service Manual 14. Inkjet sputter. If the cartridge heater is set too high, inkjet sputter may occur causing intermittent white spots throughout the print. 15. Improper grounding or earthing. An improper A/C outlet power ground may cause banding due to excessive noise on the line between the neutral and g[...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3-19 The Slide Shaft is set to 1.418” (36cm) from the top of the Slide Shaft to the Platen surface for the NovaJet 500, 630 and 700 series printers. The normal operating range for the height of the Slide Shaft is between 1.390” (35.3cm) to 1.440” (36.6cm). The NovaJet 505 Slide[...]

3-20 Maintenance NovaJet 500/630/700 Series Service Manual 2. Place gauge against left side of shaft assembly allowing micrometer tip to rest directly on top of shaft. See Figure 3-12. Zero the gauge (this is to become the reference point). MEASURE SECOND MEASURE FIRST MEASURE LAST ADJUST IF NECESSARY Figure 3-12. Measurement Positions for Slide Sh[...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3-21 THIS IS THE INNER SCREW . POSITION GAUGE DIRECTL Y IN FRONT OF IT . THESE ARE THE TURNBUCKLE SCREWS. POSITION GAUGE IN BETWEEN THE SCREWS AND AS CLOSE TO CENTER AS POSSIBLE. Figure 3-13. Slide Shaft Profile Adjustment. For example: If the Left = 0, Right = +0.004”, then the ce[...]

3-22 Maintenance NovaJet 500/630/700 Series Service Manual Head Height Alignment Procedure Perform this procedure only when the encoder strip stabilizer has been removed from the Y-Arm or whenever the alignment is in question. The head height alignment procedure is to ensure that the correct amount of distance exists between the cartridge jet plate[...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3-23 3. Place the test cartridge upright on a flat surface and ‘zero’ the gauge by loosening the knob near the top and turning the dial until the needle is at the ‘0’ position on the dial. Tighten the knob. See Figure 3-16. ZERO GAUGE ENSURE PRESSURE IS PLACED ON THE REAR OF [...]

3-24 Maintenance NovaJet 500/630/700 Series Service Manual 5. Remove the hardware securing the support bracket of the ink delivery system to the chain support. Move the support bracket towards the center of the printer until the larger holes on the support bracket line up with the holes on the chain support. See Figure 3-18. Figure 3-18. Support Br[...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3-25 CAUTION Use extreme care when performing this calibration on the NovaJet 505 printers. The actual head height that is to be achieved is 0.125” +/- 0.003”. The read- ing will only be correct if the gage rotated one complete turn before stopping at 17. If the head is adjusted [...]

3-26 Maintenance NovaJet 500/630/700 Series Service Manual 14 . Reposition the Carriage to all of the adjustment positions and verify that the measurements are correct. 15 . Perform steps 6 through 14 as many times as necessary to correctly accomplish this adjustment. 16 . Install the ink delivery system support bracket following the procedures loc[...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3-27 The “Current Heads (Y, M, C)” view represents the alignment of the heads as they are currently entered. This is just an overview of all heads and how they are aligned. Do not attempt to align the heads using this view. The “Color Horizontal Head-to-Head Calibration” chec[...]

3-28 Maintenance NovaJet 500/630/700 Series Service Manual 2. From the Utility Menu, select “Color Calib Menu”. This brings up the color calibration menu and it looks like Figure 3-20. Cyan V ertical Magenta V ertical Y ellow V ertical Calib Print T est Cyan Horizontal Magenta Horizontal Y ellow Horizontal Exit * Figure 3-21. Color Calib Menu. [...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3-29 6. Continue until all six calibrations on the Color Calib Menu have been accomplished. Deadband Alignments Deadband calibration compensates for minute differences created when bidirectional printing is used. Unidirectional printing is not affected by deadband. There are four typ[...]

3-30 Maintenance NovaJet 500/630/700 Series Service Manual Allowable values for the Deadband calibration on the 500 series printers is from 0 to 120. The deadband test on a NovaJet 630 or 700 series printer will print a display similiar to Figure 3-22 but will print the pattern for each of the four colors. This is just a visual check of the color d[...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3-31 Deadband T est Slow Db T est Single Line T est All Lines T est Deadband Slow Deadband Exit * Figure 3-25. Calibration (Deadband) Menu (500 Series). Deadband T est Slow Db T est Single Line T est All Lines T est Slow Deadband Exit * Figure 3-26. Calibration (Deadband) Menu (630/7[...]

3-32 Maintenance NovaJet 500/630/700 Series Service Manual Deadband Alignment (for 500 Series) The deadband alignment is necessary to ensure that the output images are being produced with the highest quality standards available while using the ENCAD printer in a bidirectional mode. This adjustment helps to compensate for any deviations that may hav[...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3-33 Color Deadband Alignment (for 630/700 Series) The color deadband alignments are necessary to ensure that the output images are being produced with the highest quality standards available while using the ENCAD printer in a bidirectional mode. These adjustments help to compensate [...]

3-34 Maintenance NovaJet 500/630/700 Series Service Manual Black Deadband Cyan Deadband Magenta Deadband Y ellow Deadband Color Db T est Exit * Figure 3-28. Color Db Menu. Select “Color Db Test” to run the color deadband test. The test consists of 12 default calibration settings. When the test is run it will print out a pattern of 5 calibration[...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3-35 6. Observe the plot and using either “Prev Option” or “Next Option”, rotate through the selections until one that seems closer to the correct value is selected. Press “Ok” to accept the selection and return to the Color Db Menu. 7. Continue performing steps 4 through[...]

3-36 Maintenance NovaJet 500/630/700 Series Service Manual 33" Figure 3-29. Paper Axis Test. 5. With a precision drafters measuring stick, measure the exact distance from each of the “ T ” intersections. 6. Select “Paper Axis” at the Calibration Menu. This brings up the options menu for the paper axis adjustment. This menu is similiar [...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3-37 Diagnostics Menu The Diagnostics Menu is located in the Service Menu (shown in Figure 3-23) and is seen in Figure 3-29. Servo PWM T est Servo Cycle T est Accessory Menu Carriage T est Color T est Continuous T est Exit * Figure 3-30. Diagnostics Menu. All tests under the Diagnost[...]

3-38 Maintenance NovaJet 500/630/700 Series Service Manual Servo PWM Test - Monitors the PWM (pulse width modulation) signal applied to the servo motor from the driver on the MPCB to check the amount of force required to move the Carriage. The test performs three complete cycles of the carriage assembly and lists the average PWM, the maximum PWM, a[...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3-39 The Continuous Test will first prime the cartridges, followed by a serial port test, parallel port test, a fast deadband display and a color calibration display. The deadband and color calibration displays are used only as a visual inspection of the operating condition of the pr[...]

3-40 Maintenance NovaJet 500/630/700 Series Service Manual Limited Access Menu A menu that is not accessable to the operators can be activated in the Service Menu as shown in Figure 3-31. Press the lower left button in the Service Menu to bring up the Code Menu. The code to be entered to bring up the hidden menu is “16753.” Calibration Menu Dia[...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3-41 This menu allows the technician to clear the NVRAM and to reset the system clock. Clear NVRAM - Clearing the NVRAM is required anytime that a MPWA is to be permanently removed from a printer. The NVRAM is a section of nonvolatile memory that stores printer size information. The [...]

3-42 Maintenance NovaJet 500/630/700 Series Service Manual NOTE For NT3.5x or NT4.0 systems click on “Start” - “Pro- grams”, “Command Prompt.” At the “dos” prompt go to the location of the .ROM (i.e.: if the .ROM file is on a floppy disk, type A: and press Enter. Then type: PRINT /D:LPT1 A:XXXX.ROM a n d press Enter. 6. Wait approx[...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3-43 4. Obtain the latest firmware revision, unpack the file and launch the “XXX Firmware Utility.” File names may be different then that listed above. Click on “File” Click on “Preferences” Select the appropriate port that your printer is connected to (either Modem or Pr[...]

3-44 Maintenance NovaJet 500/630/700 Series Service Manual Internal Cabling and Signal Flow Diagrams Figures 3-32 through 3-34 are schematics of the major components and the cabling associated between them. The diagrams depicts component boards or assemblies, jack connections, cables, and signal flow. It is to be used by the technician as an additi[...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3-45 Figure 3-33. MPWA Connections Diagram. LINE NEUT GND AC INPUT & PWR SWIT CH 1 2 3 SWIT CHING POWER SUPPL Y 1 2 3 4 P1 P2 J15 1 2 3 4 +24V GND GND GND 1 2 J8 0V/+24V +24V COOLING FA N DISPLA Y J12 SERIAL J14 KEYP AD J13 P ARALLEL J9 TRAILING CABLE J7 MAIN PRINTED CIRCUIT BOAR[...]

3-46 Maintenance NovaJet 500/630/700 Series Service Manual Figure 3-34. Carriage PWA Connections Diagram. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J7 J1 CARRIAGE PCB 1 2 3 4 +5V EXB GND EXA J2 1 2 3 4 J1 OPTICAL ENCODER SENSOR YELL OW MAGENT A CY AN CARTRIDGE DRIVERS BLACK J4 J5 J6 J7 DA [...]

NovaJet 500/630/700 Series Service Manual MAINTENANCE Maintenance 3-47 Figure 3-35. Leg Harness Connections Diagram. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J3 FEED SENSOR MAIN PRINTED CIRCUIT BOARD 21[...]

3-48 Maintenance NovaJet 500/630/700 Series Service Manual 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J6 SUPPL Y SENSOR MAI N PRI NTE D WI R I N G AS SE MB L Y 21 22 23 24 25 26 DR YE R F AN 1 SUPPL Y RTN[...]

4 4-1 TROUBLE- SHOOTING T roubleshooting No Power • printer not ON depress power switch • faulty power replace power cord cord • AC input not replace AC entry present at power module supply Introduction Chapter 4, Troubleshooting consists of a table that is intended to aide the technician in troubleshooting the Novajet 500/630/700 Series prin[...]

4 - 2 Troubleshooting NovaJet 500/630/700 Series Service Manual Symptoms Possible cause Solution T able 4-1. T roubleshooting T able (cont). No Power (cont) • DC output replace power voltage not supply present (see Figure 3-32 for pin-out) • DC voltage replace MPCB present at MPCB Initialization Failure • SIMM unseated, reseat or replace defe[...]

Troubleshooting 4 - 3 NovaJet 500/630/700 Series Service Manual Symptoms Possible cause Solution T able 4-1. T roubleshooting T able (cont). TROUBLE- SHOOTING Media Does Not • paper sensor replace paper Move (cont) not responding sensor • media control driver corrupted - switches are reload printer operating correctly driver • firmware reload[...]

4 - 4 Troubleshooting NovaJet 500/630/700 Series Service Manual Symptoms Possible cause Solution T able 4-1. T roubleshooting T able (cont). Internal ERROR • dirty encoder perform Encoder “Carriage Axis strip Strip Cleaning Failure” (cont) pr oc e du re • dirt under the remove carriage carriage bushings bushings and clean • damaged replac[...]

Troubleshooting 4 - 5 NovaJet 500/630/700 Series Service Manual Symptoms Possible cause Solution T able 4-1. T roubleshooting T able (cont). TROUBLE- SHOOTING Internal ERROR “Encoder Sensor Failure” • encoder sensor re seat encoder cable unseated sensor cable • bad encoder replace encoder sensor sensor Internal ERROR “Paper Sensor Failure[...]

4 - 6 Troubleshooting NovaJet 500/630/700 Series Service Manual Symptoms Possible cause Solution T able 4-1. T roubleshooting T able (cont). Internal ERROR “Auto-Sensor Failure” •auto-sensor reseat auto- cable unseated sensor cable • bad auto- replace auto- sensor sensor Internal ERROR “MPCB Failure” • bad MPCB replace MPCB Unrecogniz[...]

Troubleshooting 4 - 7 NovaJet 500/630/700 Series Service Manual Symptoms Possible cause Solution T able 4-1. T roubleshooting T able (cont). TROUBLE- SHOOTING Image Skews or Moves • dirty encoder clean encoder strip strip (top and bottom) Does Not Print • bad connection reseat cable between computer connections on and printer computer and print[...]

4 - 8 Troubleshooting NovaJet 500/630/700 Series Service Manual Symptoms Possible cause Solution T able 4-1. T roubleshooting T able (cont). Ink Cartridge • ink drop out lower ink pre-heat Misfiring (cont) (ink starvation settings resembling intermittent banding) • flex contacts 1) perform Flex dirty or damaged C abl e Co nta ct Cleaning proced[...]

Troubleshooting 4 - 9 NovaJet 500/630/700 Series Service Manual Symptoms Possible cause Solution T able 4-1. T roubleshooting T able (cont). TROUBLE- SHOOTING Paper Skewing • paper guides not install paper installed guides • stepper motor perform Clean and gearing dirty or Inspect Stepper damaged Motor Gears procedure • lower roller tighten s[...]

4-10 Troubleshooting NovaJet 500/630/700 Series Service Manual Symptoms Possible cause Solution T able 4-1. T roubleshooting T able (cont). Printer Output is • color calibration perform Color Banding (Horizontal) re quired Calibration (cont) • paper axis perform Paper Axis calibration Test Calibration required • faulty or corrupt reload firmw[...]

Troubleshooting 4-11 NovaJet 500/630/700 Series Service Manual Symptoms Possible cause Solution T able 4-1. T roubleshooting T able (cont). TROUBLE- SHOOTING Printer Output is Banding (Vertical) • trailing cable reseat trailing connections cable • faulty trailing replace trailing cable cable • dirty encoder clean encoder strip strip Printer O[...]

4-12 Troubleshooting NovaJet 500/630/700 Series Service Manual Symptoms Possible cause Solution T able 4-1. T roubleshooting T able (cont). Noisy Operation • ink or paper clean printer debris in printer • obstruction in remove obstruction/ path of carriage clean printer • carriage replace carriage bushings worn bushings • debris or cl ean f[...]

Troubleshooting 4-13 NovaJet 500/630/700 Series Service Manual Symptoms Possible cause Solution T able 4-1. T roubleshooting T able (cont). TROUBLE- SHOOTING Line Quality Degraded • ink cartridges clean and prime dirty or clogged ink cartridges • cartridge dimple clean or replace region dirty or cartridge damaged • color calibration perform C[...]

4-14 Troubleshooting NovaJet 500/630/700 Series Service Manual Symptoms Possible cause Solution T able 4-1. T roubleshooting T able (cont). Line Quality • drive belt replace frame Degraded (cont) slipping on idler tensioner, spring, or idler • vacuum fan not replace fan operating assembly Fan Does Not Power Up • MPCB has 1) reseat connection [...]

Troubleshooting 4-15 NovaJet 500/630/700 Series Service Manual Symptoms Possible cause Solution T able 4-1. T roubleshooting T able (cont). TROUBLE- SHOOTING Media Feed Motor Not Operating, Sensor Works • bad connection reconnect Feed to the motor motor • bad Feed motor Replace Feed motor • faulty wiring leg reseat or replace harness leg harn[...]

4-16 Troubleshooting NovaJet 500/630/700 Series Service Manual Symptoms Possible cause Solution T able 4-1. T roubleshooting T able (cont). • sensor not replace or reshape aligned correctly sensor bracket (sensor bracket bent or misaligned)[...]

Troubleshooting 4-17 NovaJet 500/630/700 Series Service Manual Symptoms Possible cause Solution T able 4-1. T roubleshooting T able (cont). TROUBLE- SHOOTING[...]

4-18 Troubleshooting NovaJet 500/630/700 Series Service Manual Initialization T roubleshooting (500 Series) The sequence that the printer follows during initialization (power up) is as follows: 1. Power supply turns on - LED D2 on carriage turns on. 2. Reads the Flash ROM information. 3. Performs memory test with installed SIMMs. 4. Writes the Flas[...]

Troubleshooting 4-19 NovaJet 500/630/700 Series Service Manual TROUBLE- SHOOTING If the LED does not go out, setup the printer and download new firmware as discussed in Chapter 3. Repeat these procedures. If the LED still does not go out, possible areas to suspect is the MPCB, carriage board, or the trailing cable. LED D2 Figure 4-1. Carriage Board[...]

4-20 Troubleshooting NovaJet 500/630/700 Series Service Manual Initialization T r oubleshooting (630/700 Series) The sequence that the printer follows during initialization (power up) is as follows: 1. Power supply turns on - LED D2 on carriage turns on then D5 turns on. 2. Reads the Flash ROM information. 3. Performs memory test with installed SIM[...]

Troubleshooting 4-21 NovaJet 500/630/700 Series Service Manual TROUBLE- SHOOTING Turn the unit off immediately after the LED D5 returns to the dimly lit status to ensure no damage occurs to the carriage or carriage cover due to the carriage movement as stated in step 11. Snap the cover back onto the carriage. LED D5 signifies that bias voltage is a[...]

4-22 Troubleshooting NovaJet 500/630/700 Series Service Manual This Page Intentionally Left Blank[...]

5 ASSEMBL Y/ DISASSEMBL Y 5-1 AssemblyDisassembly Introduction Chapter 5 contains the procedures for removal and replacement of the NovaJet 500/630/700 printer assemblies and mechanisms. Illustra- tions are provided for clarity. Steps for each replaceable part may depend on parts already removed in previous disassembly directions. It is recommende[...]

5 - 2 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual Always turn the printer OFF, remove the power cord and the interface cable before beginning any disassembly pro- cedures. An electrical shock hazard may be present if these precautions are not followed. Remove the Left, T op, and Right Covers Removing the Left Cover allows access [...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5 - 3 To remove the Right Cover Assembly: Figure 5-1. Right Cover Assembly Removal/Installation. 4. With a #2 Phillips screwdriver, remove the three screws securing the Right Cover Assembly to the Right Baseplate and the two screws securing it to the Right Sidepl[...]

5 - 4 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual 8. Disconnect the Display data ribbon cable connector at the J12 location on the MPCB. 9. Disconnect the Display Power Converter connector at the J10 location on the MPCB. To disconnect, grasp the Display Power Converter connector between thumb and forefinger and pull straight out[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5 - 5 To remove the Left Cover Assembly (NovaJet 750 version): 10 . Disconnect and remove all ink reservoirs. Figure 5-3. Left Cover Removal/Installation (NovaJet 750). 11 . Remove the two screws securing the Left Cover to the Left Frame. See the upper portion of[...]

5 - 6 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual Install the Left, T op, and Right Covers To install the Left Cover Assembly: 1. Position the Left Cover Assembly over the Left Baseplate and while depressing the retracting stop assembly on the Support Bracket, lower the Left Cover into position onto the Left Baseplate. Release th[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5 - 7 Applying too much torque to the lower screws can cause the mounts for the standoffs on the cover to break, re- quiring a replacement of the cover. 8. Using a #2 Phillips screwdriver, secure the Right Cover with two screws located on the left side (torque to[...]

5 - 8 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual Figure 5-4. Keypad and Display Installation/Removal. 4. Disconnect the grounding flex cable from the large standoff before removing the Keypad Assembly. See Figure 5-5 for location. Remove the Keypad Assembly.[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5 - 9 Figure 5-5. Keypad and Display Grounding Connections. Install the Keypad, Display , and Display Power Converter 1. Route the Keypad flex data and ground cables into the Right Cover Assembly through the hole provided for the Keypad. 2. Place the Keypad into [...]

5-10 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual Remove Extra Memory (SIMM) Integrated circuits may become weakened or damaged by electrical discharge. Do not touch or work near integrated circuits without wearing an ESD wrist strap. 1. Perform steps 1 through 9 of the Remove the Left, Top, and Right Covers procedure to remove th[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-11 Install Extra Memory (SIMM) NOTE If you are installing two SIMM, you must install the one located in J17 first. See Figure 3-4 for location. 1. The SIMM slots are at a 90 ° angle from the board. Place the SIMM at a 45 ° into the connector as shown in Figur[...]

5-12 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual 5. Disconnect the Stepper Motor connection at the J1 location by grasping the Stepper Motor connector with thumb and forefinger and pulling straight out. 6. Disconnect the Servo Motor connection (red and blue wires) at the J2 location by grasping the Servo Motor connector with thum[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-13 Figure 5-7. MPCB Removal. Failure to use an approved antistatic bag for storage or shipment may cause damage to the MPCB and affect the Warranty. 15 . Place the MPCB in an ESD bag (antistatic bag) in preparation for shipment to ENCAD for replacement or repai[...]

5-14 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual Install the MPCB Integrated circuits may become weakened or damaged by electrical discharge. Do not touch or work near integrated circuits without wearing an ESD wrist strap. 1. Put on an ESD wrist strap. 2. Remove the MPCB from the ESD bag. 3. Align the MPCB so that the serial and[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-15 13 . Connect the Power Supply connector to J15 on the MPCB. 14 . Reinstall any additional memory into J17 by performing steps 1 and 2 of the Install Extra Memory (SIMM) procedure. 15 . Perform steps 4 through 10 of the Install the Left, Top, and Right Covers[...]

5-16 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual Figure 5-8. Power Supply Removal. To remove the Cooling Fan and AC Entry Module: 7. Using a #2 Phillips screwdriver, remove the four screws located below the Right Baseplate securing the Power Supply Bracket to the Right Baseplate. Remove the Power Supply Bracket. 8. Using a #1 Phi[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-17 Figure 5-9. Cooling Fan/AC Entry Module Removal. 8. Using a 1/4” wrench or socket, disconnect the AC Entry Module ground from the ground stud on the Right Baseplate. 9. Remove the AC Entry Module by pressing in on the securing tabs until the module is rele[...]

5-18 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual 4. Reinstall the Power Supply Bracket using four screws. 5. Insert and hold the Power Supply into place while securing it with four screws. Torque to 15 in-lbs. 6. Reconnect the Power Supply to the AC Entry Module by reattaching the quick disconnect connection. Push the quick disco[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-19 Figure 5-10. Slacken Carriage Belt. 6. Remove the Right Sideplate to gain access to the Servo Motor by unscrewing the four screws securing it to the Platen. 7. Depress the back of the Frame Tensioner (see Figure 5-10) to create slack in the Carriage Belt and[...]

5-20 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual 13 . While holding the Servo Motor, remove the front screw on the Servo Motor. 14 . Lower the motor to clear the pulley assembly from the platen and carefully bring the motor out of the printer. Install Servo Motor 1. Reinsert the Servo Motor under the Platen with the connector fac[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-21 9. Reinstall the Right Sideplate with four screws and a #2 Phillips screwdriver. Press the side plate down and towards the back of the printer before tightening. Torque to 15 in-lb. 10. Ensure that all cable endings are protruding through the cable access ho[...]

5-22 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual Figure 5-11. Chain Support Bracket Removal. 2. Remove the screws securing the Chain Support Bracket to the Rear Support Bracket. See Figure 5-11. 3. Move the Carriage to the center of the Slide Shaft. Figure 5-12. Carriage Cover Removal.[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-23 4. With a flathead screwdriver, press the Carriage Cover (p/o the Ink Delivery System) tab located in the upper slot on the left side of the Carriage Assembly. See Figure 5-12. Lift up on the front left side of the Carriage Cover until it comes part way off [...]

5-24 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual 0.10 inch Figure 5-13. Chain Support Bracket Adjustment. 6. Perform steps 1 through 3 and 9 and 10 of the Install the Left, Top, and Right Covers procedure to install the Left and Top Covers. Remove the Carriage Assembly , Carriage Belt, and the Frame T ensioner 1. Perform steps 1 [...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-25 Figure 5-14. Strain Relief Removal/Installation. 5. Remove the Trailing Cable and Strain Relief from the Carriage Assembly by releasing the latch on the left lower side of the Strain Relief and lifting it off of the Carriage Assembly. See Figure 5-14. 6. Com[...]

5-26 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual Figure 5-15. Frame Tensioner. 9. Slide the Carriage Assembly and Drive Belt off the left side of the Slide Shaft. 10 . Once the Carriage Assembly is removed from the Slide Shaft, turn it over so that you can see the Belt Clamp. See Figure 5-16. Figure 5-16. Carriage Belt Clamp.[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-27 11 . To disengage the Carriage Belt from the Belt Clamp, push the Carriage Belt away from the left post of the Belt Clamp and gently lift up until the bottom edge of the Carriage Belt clears the top of the left post. 12 . Push the Carriage Belt away from the[...]

5-28 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual 5. Slide the Carriage Assembly onto the left end of the Slide Shaft, making sure that the Encoder Strip fits into the slot in the Slider and the Encoder on the Carriage PCB. Guide the belt while sliding the Carriage Assembly from left to right on the Slide Shaft. 6. Move the Carria[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-29 15 . Fit the Compression Spring over the post at the back of the Y- Arm Assembly. 16 . Fit the notch in the front end of the Frame Tensioner over the notch in the front of the Y-Arm Assembly. 17 . Depress the back of the Frame Tensioner and slip the Carriage[...]

5-30 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual TA B SL O T LA T CH Figure 5-17. Carriage PCB Removal/Installation. 4. Unlock the latch on the right end of the Carriage Assembly and lift up the right end of the Carriage PCB. See Figure 5-17. 5. Slide the Carriage PCB to the right to remove the tab on the left end of the Carriage[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-31 Failure to use an approved antistatic bag for storage or shipment may cause damage to the Carriage PCB and affect the Warranty. 6. Place the Carriage PCB in an ESD bag (antistatic bag) in preparation for shipment to ENCAD for replacement or repair, or if it [...]

5-32 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual THIS PIECE OF PLASTIC (ONE ON EACH SIDE) MUST CLEAR THE RIDGES ON THE UNDERSIDE OF THE HOLDER PUSH DOWN ON CLIP , PUSH DOWN ON ENCODER , THEN PULL OUT TO REMOVE P APER SENSOR BOARD , GRASP HERE AND PULL UP Figure 5-18. Paper and Encoder Sensor Removal. 2. To remove the Paper Sensor[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-33 c. Push down on the plastic clip and at the same time push down on the Encoder until the plastic pieces on each side of the Encoder clear the ridges which hold it in place. Then pull it straight out. Install the Paper Sensor or the Encoder Sensor Figure 5-19[...]

5-34 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual e . Turn the Carriage Assembly over and insert the Paper Sensor flex cable into the connector at J3. f. Push both sides of the connector lock shut at the same time. 2. To install the Encoder Sensor: a. Turn the Carriage Assembly so that the bottom side of it is facing up. b. Push d[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-35 CARR IAGE BUSH ING LAT C H Figure 5-20. Carriage Bushing Removal. 2. Use a flat tip screwdriver to push up on the latch which holds the Carriage Bushing in place. See Figure 5-20. 3. Pull the Carriage Bushing out of the Carriage Assembly. 4. Repeat Steps 2 a[...]

5-36 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual Remove the Service Station SER VIC E STA TI ON RE LEASE TA B Figure 5-22. Service Station Removal. 1. Place the Top Cover in the open position. 2. Move the Carriage Assembly to the left side of the Slide Shaft. 3. Reach into the Right Cover and pull back on the Service Station rele[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-37 Remove the T railing Cable Assembly 1. Perform steps 1 through 13 of the Remove the Left, Top, and Right Covers procedures to remove the Left, Top and Right Covers. 2. If you have not already removed the Carriage Assembly from the Slide Shaft, you will need [...]

5-38 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual 3. Slide the Carriage Assembly (if installed) to the far left side of the Slide Shaft. While ensuring a 5” (125mm) overhang on the right side, position the Trailing Cable over the Stabilizer Bracket and slowly lower it onto the bracket. Ensure that the Trailing Cable goes on stra[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-39 CH A I N S U P POR T BRAC K E T RE ST S ON THE T O P OF T H E Y - ARM AS S E MB L Y Figure 5-23. Stabilizer Bracket Installation/Removal. 6. Remove the Stabilizer Bracket from the Y-Arm Assembly by removing the four alignment Allen screws and washers located[...]

5-40 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual Install the Stabilizer Bracket and Encoder Strip 1. Install the Stabilizer Bracket Assembly (with Encoder Strip and Trailing Cable) onto the Y-Arm Assembly using the four alignment Allen screws and washers. Hand tighten only. 2. Install the Support Bracket onto the Stabilizer Brack[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-41 4. Perform steps 3 and 4 of the Remove the Trailing Cable Assembly procedures to remove the Trailing Cable Assembly. 5. Perform steps 5 and 6 of the Remove the Stabilizer Bracket and Encoder Strip procedures to remove the Stabilizer Bracket Assembly. 6. Disc[...]

5-42 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual Figure 5-25. Pinch Roller. 9. Spin the back of the pinch roller to either side and remove the back spring. 10 . Carefully tilt the back of the pinch roller upwards. This brings the front of the pinch roller down, away from the Slide Shaft. Carefully remove the spring that is going [...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-43 Install the Y-Arm Assembly , Pinch Rollers, Slide Shaft, and Auto-Load Sensor 1. Install the Auto-Load Sensor Assembly into the back part of the Y-Arm Bracket using a #1 Phillips screwdriver. Torque to 6 in- lbs. 2. Route the Load Sensor wires through the fo[...]

5-44 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual 12 . Perform the Install the Left, Top, and Right Covers procedures to install the Left, Top and Right Covers. 13 . Perform the Head Height Adjustment procedures found in Chapter 3 of this service manual. Remove the Lower Roller Assembly , Stepper Motor and V acuum Fan The Inner Pl[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-45 6. Remove the screws that secure the Left Sideplate Assembly to the Platen. Remove the Left Sideplate Assembly and the left Foam Block. See Figure 5-24. NOTE The 42 inch model has one Vacuum Fan and Exhaust assembly while the 60 inch has two sets of Vacuum F[...]

5-46 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual It may be necessary to loosen (do not remove) the screws that secure the left Leg Assembly to the Platen so that the Lower Drive Roller Assembly clears the ends of the screws that protrude inside of the Platen when removing the Lower Drive Roller Assembly. The Fan Assemblies will b[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-47 ATTA CH SP R ING TO P O ST ON BRACKE T Figure 5-26. Stepper Motor Removal/Installation. 14 . Remove the hardware securing the Stepper Motor to the Left Lower Drive Shaft Bracket and remove the Stepper Motor. Install the Lower Roller Assembly , Stepper Motor [...]

5-48 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual It may be necessary to loosen (do not remove) the screws that secure the Y-Arm Assembly to the Platen so that the Lower Drive Roller Assembly clears the ends of the screws that protrude inside of the Platen while installing the Lower Drive Roller Assembly. It may be necessary to lo[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-49 6. Reaching inside the Fan Exhaust hole under the Platen, position and secure the Fan Assembly(ies) using a #2 Phillips screwdriver. 7. Reinstall the Fan Exhaust Assembly(ies) using a #2 Phillips screwdriver. 8. Install the Lower Drive Roller Assembly suppor[...]

5-50 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual 11 . Reinsert the Service Station. 12 . Reinstall the Right Sideplate using a #2 Phillips screwdriver. Ensure that all cables from inside the Platen are exiting out of the large hole in the Sideplate. 13 . Reinstall the Power Supply Bracket using four screws and a #2 Phillips screw[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-51 4. Remove the sensor by unscrewing the plastic nut off of the front of the sensor. Pull the sensor out of the bracket. 5. Using a #2 Phillips screwdriver, remove the two screws securing the bracket to the leg assembly. WIR E TIE WR APS Figure 5-28. Media Tak[...]

5-52 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual Install the Media T ake-Up and Feed Sensor Brackets and Sensors 1. Using a #2 Phillips screwdriver, install the two screws securing the bracket to the leg assembly. 2. Insert the sensor into the hole on the sensor bracket, secure by screwing on the plastic nut onto the front of the[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-53 CRADLE IDLER MOT OR MOUNT MOT OR MOT OR GEAR C CLAMP Figure 5-29. Media Take-Up and Feed Motor Removal.[...]

5-54 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual Install the Media T ake-Up and Feed Motors 1. Using a #1 Phillips screwdriver, install the three screws, washers, and lock washers that secures the motor to the motor mount. 2. Install the motor gear to the motor. Secure with a C clamp. 3. Insert the motor, motor mount, and motor g[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-55 4. Remove the air filter from the fan to be removed by squeezing the tabs on the filter housing to release the housing off the fan. 5. Remove the four bolts securing the back bracket (the one with the positioning bolts on the bottom) to both of the side plat[...]

5-56 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual Remove the Thermal Dryer Assembly (NovaJet 750) W ARNING Once the dryer is plugged in, there is continuous power being applied to the dryer, even when the printer is turned off. DISCONNECT POWER CORD BEFORE SERVICING! W ARNING This assembly emits heat by radiation. 1. Disconnect th[...]

NovaJet 500/630/700 Series Service Manual ASSEMBL Y/ DISASSEMBL Y AssemblyDisassembly 5-57 Figure 5-30. Thermal Dryer Assembly Removal. 4. Lift the entire drying fan assembly off of the printer. Install the Thermal Dryer Assembly (NovaJet 750) 1. Carefully place the Thermal Dryer Assembly onto the support brackets. See Figure 5-30. Secure and torq[...]

5-58 AssemblyDisassembly NovaJet 500/630/700 Series Service Manual This Page Intentionally Left Blank[...]

6 P ARTS LIST 6-1 Parts List This chapter lists the items and their associated numbers for the parts and assemblies of the NovaJet 500/630/700 Series printers that are field replaceable. The list is in order of part name as identified in the assembly/disassembly chapter. This list is to be used in conjunction with the assembly/disassembly procedure[...]

6 - 2 Parts List NovaJet 500/630/700 Series Service Manual 6 - 1 1 COVER W/DOOR, LEFT ......................... 209220-7 COVER W/DOOR, LEFT (736) ............. 209220-10 6 - 1 2 RESERVIOR ASSEMBLY, WITH CAP AND TUBE ASSEMBLY BLUE .................................................... 215971-00 GRAY ....................................................[...]

NovaJet 500/630/700 Series Service Manual P ARTS LIST Parts List 6 - 3 Figure 6-1. Left Side Parts Breakdown. 1 4 8 5 6 7 2 3 9[...]

6 - 4 Parts List NovaJet 500/630/700 Series Service Manual 6 - 2 1 COVER LEFT .......................................... 214399-00 6 - 2 2 INK DELIVERY SYSTEM, 60” ................ 216921-00 INK DELIVERY SYSTEM, 42” ............. 216923-00 6 - 2 3 FRAME, LEFT ......................................... 217221-02 6 - 2 4 TUBE ASSY, RESERVIOR, BLUE[...]

NovaJet 500/630/700 Series Service Manual P ARTS LIST Parts List 6 - 5 Figure 6-2. Left Side Parts Breakdown (NovaJet 750). 1 4 8 5 6 7 2 3[...]

6 - 6 Parts List NovaJet 500/630/700 Series Service Manual FIGURE ITEM PART NAME PART # 6 -3 1 COVER ASSY, TOP, 60” .......................... 216953-00 COVER ASSY, TOP, 42” ....... ................ 216954-00 COVER ASSY, TOP, 36” ....... ................ 215065-00 6 - 3 2 SPRING, COMPESSION ......................... 209052 6 - 3 3 RETRACTING [...]

NovaJet 500/630/700 Series Service Manual P ARTS LIST Parts List 6 - 7 Figure 6-3. Platen and Above Parts Breakdown. 1 4 8 5 6 7 2 3 9 10 11 12 16 15 13 14[...]

6 - 8 Parts List NovaJet 500/630/700 Series Service Manual FIGURE ITEM PART NAME PART # 6 - 4 1 COVER ASSEMBLY, WITH KEYPAD AND DISPLAY, RIGHT ....................... 210051 AND DISPLAY, RIGHT (736) ............... 215045-00 6 -4 2 KEYPAD ASSEMBLY .............................. 209096-3 KEYPAD ASSEMBLY (736) .................. 215046-00 6 - 4 3 DIS[...]

NovaJet 500/630/700 Series Service Manual P ARTS LIST Parts List 6 - 9 Figure 6-4. Right Side Parts Breakdown. 1 4 8 5 6 7 2 3 9[...]

6-10 Parts List NovaJet 500/630/700 Series Service Manual FIGURE ITEM PART NAME PART # 6 - 5 1 COVER ASSEMBLY, WITH KEYPAD AND DISPLAY, RIGHT ....................... 215350-00 6 -5 2 KEYPAD ASSEMBLY .............................. 209096-3 6 - 5 3 REFLECTIVE DISPLAY ASSY ............... 210068-04 6 - 5 4 MAIN PRINTED WIRING ASSEMBLY . . 215042-00 6 [...]

NovaJet 500/630/700 Series Service Manual P ARTS LIST Parts List 6-11 Figure 6-5. Right Side Parts Breakdown (NovaJet 750). 1 4 8 5 6 9 2 3 7 10 11[...]

6-12 Parts List NovaJet 500/630/700 Series Service Manual FIGURE ITEM PART NAME PART # 6 - 6 1 MOTOR ASSY, SERVO, W/FERRITE AND CAPACITOR ........... 213674-04 6 - 6 2 BLOCK, RIGHT FOAM .. ......................... 207559 BLOCK, RIGHT FOAM (736) ............... 215526-00 6 - 6 3 STEPPER MOTOR ASSY ........................ 210848-1 6 - 6 4 BRACKET, [...]

NovaJet 500/630/700 Series Service Manual P ARTS LIST Parts List 6-13 Figure 6-6. Inner Platen Parts Breakdown. 1 4 8 5 6 7 2 3 9 11 12 9 10[...]

6-14 Parts List NovaJet 500/630/700 Series Service Manual FIGURE ITEM PART NAME PART # 6 - 7 1 CARRIAGE PWA (500) ............................. 214807-01 CARRIAGE PWA (630, 700) .................. 214803-02 CARRIAGE PWA (736) .......................... 212151-05 CARRIAGE PWA (750) .......................... 212151-04 6 - 7 2 ENCODER SENSOR W/FLEX .[...]

NovaJet 500/630/700 Series Service Manual P ARTS LIST Parts List 6-15 Figure 6-7. Carriage Assembly Parts Breakdown. 1 3 10 4 5 6 2 5 6 12 13 11 9 7 8[...]

6-16 Parts List NovaJet 500/630/700 Series Service Manual FIGURE ITEM PART NAME PART # PARTS FOR NJ 500, 505, 630, 700 6 - 8 1 INK DELIVERY SYSTEM, 60” ................ 212544-02 INK DELIVERY SYSTEM, 42” ............. 212560-02 6 -8 2 CARTRIDGE TUBE ASSY, SET OF 4 BLUE (FOR 500, 505) ........................... 215990-00 GRAY (FOR 500, 505) . .[...]

NovaJet 500/630/700 Series Service Manual P ARTS LIST Parts List 6-17 Figure 6-8. Carriage Cover Parts Breakdown. 1 4 8 5 6 7 2 3 9 10[...]

6-18 Parts List NovaJet 500/630/700 Series Service Manual FIGURE ITEM PART NAME PART # 6- 9 1 WIPER ..................................................... 209276 6 - 9 SERVICE STATION, ASSEMBLY ........... 207611-03[...]

NovaJet 500/630/700 Series Service Manual P ARTS LIST Parts List 6-19 Figure 6-9. Service Station Parts Breakdown. 1[...]

6-20 Parts List NovaJet 500/630/700 Series Service Manual FIGURE ITEM PART NAME PART # 6-10 1 SHAFT W/FIXED RIGHT ROLLER 6 0 ” ..................................................... 207657-1 4 2 ” ..................................................... 207657-2 6-10 2 GUIDE, PAPER ADJUSTABLE .............. 207644 6-10 3 CLAMP, GUIDE PAPER ........[...]

NovaJet 500/630/700 Series Service Manual P ARTS LIST Parts List 6-21 Figure 6-10. Power Feed and Take-Up Parts Breakdown. 1 4 11 5 6 10 2 3 12 14 18 7 13 8 9 19 17 16 15[...]

6-22 Parts List NovaJet 500/630/700 Series Service Manual This Page Intentionally Left Blank[...]