HP (Hewlett-Packard) CZ195ABGJ manual

L ASER JET PRO 4 0 0 Repair Manual M401[...]

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HP LaserJet Pro 400 M401 Printer Series Repair Manual[...]

Copyright and License © 2012 Copyright Hewlett-Packard Development Company, L.P. Reproduction, adaptation, or translation without prior written permission is prohibited, except as allowed under the copyright laws. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in[...]

Conventions used in this guide TIP: Tips provide helpful hints or shortcuts. NOTE: Notes provide important information to ex plain a concept or to com plete a task. CAUTION: Cautions indicate procedures th at you should follow to avoid losing da ta or damaging the product. WARNING! Warnings alert you to specific proc edures that you should follow t[...]

iv Conventions used in this guide ENWW[...]

Table of contents 1 Removal and repla cement ......... ......... ....... ........... ....... .......... ......... ........ .......... ........ ........ 1 Remova l and replace ment st rategy ....... .......... .......... .............. .......... ............ ........... ........... ........ 2 Electro static dischar ge .................. ...........[...]

Tray 1 solenoid .... ............... ............ ............. ............... ............. ............ .... 34 Duplex so lenoid .... ............... ........... ............ ............... ........... ............... .... 35 Motors and fans ... .................. ............... ............... ................. ................ ..............[...]

Index . .......... ........ ......... .......... ........ ........... ......... ........ .......... ......... ........... ........ ......... ........ 99 ENWW vii[...]

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List of tables Table 2-1   Order parts, access ories, and supplies ........... ......... .............. .............. .............. ................. ..... 60 Table 2-2   Related docume ntation and softwa re .................................... .................................................. 60 Table 2-3   Supplies p art numbers ........[...]

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List of figures Figure 1-1   Phillips and Pozidriv screwd river comparison .. ......... ............. .......... ........... ............. .......... ........ 3 Figure 1-2   Parts-removal order ... ............. ................. .............. .............. ................. .............. ............... ..... 5 Figure 1-3   Remove the MP [...]

Figure 1-33   Remove the laser scan ner assembly (2 of 2) ..... ................. .............. ............... .............. ......... 27 Figure 1-34   Remove the registr ation assemb ly (1 o f 3) ...... ...................................................................... 28 Figure 1-35   Remove the registr ation assemb ly (2 o f 3) ....[...]

Figure 1-74   Remove the o ptional p aper feede r driver PCA (1 of 2) .......... ..................... ......................... ... 54 Figure 1-75   Remove the o ptional p aper feede r driver PCA (2 of 2) .......... ..................... ......................... ... 55 Figure 1-76   Remove the o ptional pap er feeder p aper sen sor PCA ( 1 [...]

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1 Removal and replacement ● Removal and replacement strategy ● Service appr oach ● Removal and re placemen t procedur es ENWW 1[...]

Removal and replacement strategy WARNING! Turn the product off, wait 5 seconds, and then remove the power cord before attempting to service the product. If this warning is not followed, severe injury can result, in addition to damage to the produc t. The power must be on for certain functional checks during problem solving. However, the power suppl[...]

Required tools ● #2 Phillips screwdriver with a magnet ic tip and a 152 mm (6 in) shaft length ● Small flatblade screwdriver ● Needle-nose pliers ● ESD mat (if one is available) or ESD strap ● Penlight (optional) CAUTION: Always use a Phillips screwdriver (callou t 1). Do not use a P ozidriv® screw driver (callout 2) or any motorized scr[...]

● Remove the toner cartridge. ● Remove the Tray 2 cassette. After performing service ● Plug in the power cable. ● Reinstall the toner cartridge. ● Reinstall the Tray 2 cassette. ● Load paper in the product. Post-service test Perform the following test to ver ify that the repair or replacement was successful. Print-quality test 1. Verify[...]

Parts removal order Use the following diagram to determine which part s must be removed before removing other parts. Figure 1-2 Part s-removal ord er Component Remove Remove Remove Remove Remove Remove T oner cartr idge T ray 2 c assette Tr ay 1 pickup roller Left cover Tr ay 2 cassette Right cover Tr ay 2 cassette Tr ay 1 separation pad Left cover[...]

Removal and replacement procedures Rollers Multipurpose (MP) tray pickup roller 1. Open the toner cartridge door, and then remove the toner cartridge. 2. Pull back and hold the pickup roller cover ( callout 1) , press the tabs (callout 2) on both ends of the pickup roller away from the roller — which should caus e the roller to move up — and th[...]

3. On the left side of the product, release the innermost tab (callout 1) at the center of the gear, and then remove the gear (callout 2). NOTE: The gear is composed of two pieces. Releas ing the outer tab does not remove the entire gear assembly and exposes an internal spring in the gear. Figure 1-4 Remove the MP tra y separation pad (1 of 5) 1 2 [...]

5. Move the pickup roller shaft to th e left to free the right end of the shaft from the holder, and then remove the pickup roller shaft assembly to expose the separation pad. Figure 1-6 Remove the MP tra y separation pad (3 of 5) Reinstallation tip The spring at the right end of the sh aft is not captive and might fall off during this process. Ma [...]

6. Pull up on the top edge of the separat ion pad to release it from the product. Figure 1-8 Remove the MP tra y separation pad (5 of 5) Reinstallation tip When reinsta lling the pickup ro ller sh aft assembly, make sure that the flat part of the pickup roll er is directly over the s eparation pad. Tray 2 and optional Tray 3 pickup roller 1. Remove[...]

3. Push the pickup roller to the left to r elease the r ight side roller, and then pull the roller out of the product. Figure 1-10 Remove the Tray 2 or Tray 3 picku p roller (2 of 2) 4. Tray 2 and optional Tr ay 3 separation pad 1. Remove the tray cassette from the product. 2. Locate the separation pad at the front of the cassette. On the se pa rat[...]

Covers and control panel Left cover NOTE: No tools are necessary to remove this cover. However, a smal l fla t-blade sc rewdriver might be helpful in releasing some of the tabs that hold the cover to the product chassis. 1. Remove the Tray 2 cassette. 2. Open the toner cartridge door and the rear jam access door. 3. Grasp the front edge of the cove[...]

Right cover NOTE: No tools are necessary to remove this cover. However, a smal l fla t-blade sc rewdriver might be helpful in releasing some of the tabs that hold the cover to the product chassis. 1. Remove the Tray 2 cassette. 2. Open the toner cartridge door and the rear jam access door. 3. Grasp the rear edge of the cover, and then pull th at ed[...]

Top cover with LCD co ntrol-pa nel module 1. Remove the following components: ● Tray 2 cassette ● Right cover. See Right cover on page 12 . ● Left cover. See Left cove r on page 11 . 2. Open the toner cartridge door and the rear jam access door. 3. On the left side of the product, disconnect one flat cable (callout 1) from the formatter. Figu[...]

5. On the top of the top-cover assembly , remove two screws (callout 1 ). Figure 1-16 Remove the top-cover assembly an d LCD control-panel module (3 of 3) 1 1 6. Lift the top-cover assembly off of the product to re move it. NOTE: You do not need to remove the contro l panel from the top cover assembly, unl ess you are replacing the control panel. L[...]

2. On the underside of the top cover assembly, disconne ct the flat cable (c allout 1), and then release the two tabs (callout 2) at the back of the cont rol panel assembly. You might need to use a small, flatblade screwdriver to release the tabs. Figure 1-17 Remove the LCD control panel (1 o f 2) 2 1 3. Pull the back of the contro l panel assembly[...]

Top cover with touchscreen control-pan el module 1. Remove the following components: ● Tray 2 cassette ● Right cover. See Right cover on page 12 . ● Left cover. See Left cove r on page 11 . 2. Open the toner cartridge door and the rear jam access door. 3. On the left side of the product, disconnect one fl at cable (callout 1) from the formatt[...]

4. On the right side of the product, remove two screws (callout 1). Figure 1-20 Remove the top-cover assembly (2 of 3) 1 5. On the top-cover assembly, remo ve three screws (callout 1). NOTE: The screw behind the control panel has a protective cover over it. Remove the cover to remove the screw, but keep the cover in o rder to reinstall it after ins[...]

Touchscreen control panel 1. Remove the following components: ● Tray 2 cassette ● Right cover. See Right cover on page 12 . ● Left cover. See Left cove r on page 11 . ● Top cover assembly. See Top cover with touchscreen control-panel module on page 16 . 2. On the underside of the top cover assembly, remove six screws (callo ut 1) and the pr[...]

● Spring (callout 4) ● Sheet (callout 5) Figure 1-23 Remove the touchscreen control panel (2 of 3) 1 2 3 4 5 4. Pull the back of the contro l panel assembly away from the top cover assembly. Figure 1-24 Remove the touchscreen control panel (3 of 3) ENWW Removal and replacement proc edures 19[...]

Rear cover, rear do or, and feed assembly CAUTION: The fuser can be hot while the product is in us e. Wait for the fuser to cool before w orking in that area. 1. Remove the following components: ● Tray 2 cassette ● Right cover. See Right cover on page 12 . ● Left cover. See Left cove r on page 11 . 2. Open the toner cartridge door and the rea[...]

4. At the rear of the produ ct, remove five screws (callout 1) , release one tab (ca llout 2) near the bottom cor ner, and release tw o tabs (callout 3) from under the top co ver assembly. Figure 1-26 Remove the rear cover, rear door, and feed assembly (2 of 3) 1 2 1 3 5. Carefully separate the rear co ver and rear door from the product , and then [...]

6. Duplex models only : There are two hinge pins (callou t 1). Release the shorter left pin first, and then separate the rear cover and rear door as sembly (callout 2) from the dup lex-paper-feed assembly (callout 3). Figure 1-27 Remove the rear cover, rear door, and feed assembly (3 of 3) 2 3 1 22 Chapter 1 Removal and replacement ENWW[...]

Cartridge door and front cover assembly NOTE: The cartridge door assembly includes the car tridge door, Tray 1, and the front cove r. 1. Remove the following components: ● Tray 2 cassette ● Right cover. See Right cover on page 12 . ● Left cover. See Left cove r on page 11 . 2. Open the toner cartridge door and the rear jam access door. 3. Dis[...]

4. Remove two screws (call out 1). Figure 1-29 Remove the cartridge do or assembly and fro nt cover ( 2 of 4) 1 5. Pull the bottom of the assembly up in order to release two hooked tabs (callout 1), and then pull the assemb ly away from the pro duct. Figure 1-30 Remove the cartridge do or assembly and fro nt cover ( 3 of 4) 1 24 Chapter 1 Removal a[...]

6. Release two hinge pins (callout 1), and then separa te the front cover (callout 2) from the cartridge door assembl y (callout 3) . Figure 1-31 Remove the cartridge do or assembly and fro nt cover ( 4 of 4) 1 3 2 ENWW Removal and replacement proc edures 25[...]

Main assemblies Laser scanner assembly WARNING! ESD sensitive component. CAUTION: Do not bend or fold the flat flexible cables (FFCs) during removal or installation. Also, do not straighten pre-fo lds in the FFCs. You must make sure that all FFCs ar e fully seated in their connectors. Failure to fully seat an FFC into a connector can cause a short [...]

4. Remove four s crews (callout 1), and th en remove the laser scanner as sembly. Figure 1-33 Remove the laser sca nner assembly (2 of 2) 1 Registration roller assembly 1. Remove the following components: ● Tray 2 cassette ● Right cover. See Right cover on page 12 . ● Left cover. See Left cove r on page 11 . ● Rear cover, rear door, and fee[...]

3. On the left side of the product, release on e tab (callout 1), and then remove the gear. Figure 1-34 Remove the registration as sembly (1 of 3) 1 4. Inside the product chassis, on the formatter side, release two tabs (callout 1), and then lift up on the guide (cal lout 2) to release it and remove it from the product. Figure 1-35 Remove t he regi[...]

5. Remove four s crews (callout 1), and th en remove th e gear cover (callout 2). Figure 1-36 Remove the registration as sembly (3 of 3) 3 2 1 6. Slightly raise the right end of the assembly (callout 3) , and then slide it to the right and lift it up to release it and remove it from the product. Reinstallation tip Insert the left end of the assembl[...]

3. On the right side of the product, remove three gears (callout 1). Figure 1-37 Remove the fuser (1 of 5) 1 4. Remove two screws (call out 1). Figure 1-38 Remove the fuser (2 of 5) 1 30 Chapter 1 Removal and replacement ENWW[...]

5. At the rear of the product, disconnect seven conne ctors (callout 1), and then pull the cable guide (callout 2) away from the product. Figure 1-39 Remove the fuser (3 of 5) 1 1 6. Remove one screw (c allout 1), remove the paper feed guide (callout 2), and unroute the wire at the corner of the engine controller assembly (callout 3). Figure 1-40 R[...]

7. Disconnect three connectors (callout 1), remove two screws (callout 2), and then remove the fuser (callout 3). Figure 1-41 Remove the fuser (5 of 5) 2 3 1 Face down drive or duplex drive assembly Simplex produc ts have a face-down- drive assembly installed. Duplex products have a duplexing-paper- feed assembly install ed. These components appear[...]

3. On the right side of the produc t, remove the grounding spring (callout 1), disconnec t five connectors (callout 2), remo ve two screws (callout 3), and then remove the fan holder (cal lout 4) and the main fan (callout 5) together. Figure 1-42 Remo ve the face-down-d rive or duplex d rive assembly (1 of 2) 3 5 4 3 2 1 4. Remove three screws (cal[...]

Solenoids Tray 1 solenoid 1. Remove the following components: ● Tray 2 cassette ● Left cover. See Left cove r on page 11 . 2. Open the toner cartridge door and the rear jam access door. 3. On the left side of the product, disconnect one connector (cal lout 1), and then rel ease the wires from the wi re harness (callout 2). Figure 1-44 Remove th[...]

4. Remove one screw (c allout 1), and then remove the Tray 1 pickup solenoid. Figure 1-45 Remove t he Tray 1 pi ckup s olenoid (2 of 2) 1 Duplex solenoid NOTE: This section applies to duplex models only. 1. Remove the following components: ● Tray 2 cassette ● Right cover. See Right cover on page 12 . ● Left cover. See Left cove r on page 11 .[...]

3. On the right side of the product, disconnect on e connector (callout 1) from the connecting PCA, and then remove one screw (callout 2). Figure 1-46 Remove the duplex solen oid 1 2 36 Chapter 1 Removal and replacement ENWW[...]

Motors and fans Main motor 1. Remove the following components: ● Tray 2 cassette ● Right cover. See Right cover on page 12 . ● Left cover. See Left cove r on page 11 . ● Top cover assembly. See Top cover with touchscreen control-panel module on page 16 or Top cover with LCD control-panel module on page 13 . ● Rear cover, rear door, and du[...]

4. Release the cables (callout 1) fro m the cable guid es (cal lout 2), remove one screw (callout 3), and then remove the cable guide ( callout 4). Figure 1-48 Remove the main motor (2 of 4) 3 4 1 2 5. Remove one screw (c allout 1), remove the duct (ca llout 2), and then disconnec t one connector (callout 3). Figure 1-49 Remove the main motor (3 of[...]

6. Remove three black-sc rews (callout 1) and one silver -screw (callout 2), release two tabs (callout 3), and then remove the main mot or (callout 4) and the cable guide (callout 5) together . Figure 1-50 Remove the main motor (4 of 4) 1 4 5 3 2 Reinstallation tip Remember the location f rom where you removed the silver screw. The silver screw nee[...]

3. On the right side of the product, remove the grounding spring ( callout 1), disconnect one connector (callout 2), release two tabs (c al lout 3), and the n remove th e main fan. Figure 1-51 Remove the fan (1 of 2) 1 3 2 Reinstallation tip When reassembling the main fan to th e duct, make sure that the f an cable (callout 1) is positioned as show[...]

Printed circuit-board assemblies (PCAs) Engine controller assembly (DC controller) PCA WARNING! ESD sensitive component. CAUTION: When removing the engine controller assembly (callout 1) from the rear of the product, the portion (callout 2) on the left side of the asse mbly might be hot. All ow enough time for the engine controller assembly to cool[...]

2. At the rear of the product , disconnect seven co nnectors (callout 1). Figure 1-54 Remove the engine controller assembly (1 of 9) 1 1 3. Remove one screw (callout 1), and the n remove the paper feed guide (call out 2). Figure 1-55 Remove the engine cont roller assembly (2 of 9) 1 1 1 2 42 Chapter 1 Removal and replacement ENWW[...]

4. Disconnect seven connectors (callout 1). Figure 1-56 Remove the engine controller assembly (3 of 9) 1 1 5. Release the cables (callout 1) fro m the cable guide (callout 2 ). Figure 1-57 Remove the engine controller assembly (4 of 9) 1 1 1 2 ENWW Removal and replacement proc edures 43[...]

6. On the right side of the product, remove one screw (callout 1). Figure 1-58 Remove the engine controller assembly (5 of 9) 1 7. On the left side of the product, disconnect th e two cartridge-door interlock switch co nnectors (callout 1), rele ase the cables (cal lout 2) from the cab le guides (callout 3), and then disconnect one connector (callo[...]

8. Remove three screws (callout 1). Figure 1-60 Remove the engine controller assembly (7 of 9) 1 9. On both sides of the product, use a small flat blade screwdriver to rele ase th e sheet-m etal tabs (callout 1) in the produc t cha ssis to lower the engine controlle r assembl y (DC controller) PCA (callout 2). NOTE: It might be easier to release th[...]

10. Pull the cable (callout 1) an d the flat cable (call out 2) into the p roduct chassis, and the n carefully slide the engine controller assembly (callout 3) out of the product. Figure 1-62 Remove the engine controller assembly (9 of 9) 2 1 3 Universal serial bus (USB) PCA NOTE: This section applies to walkup USB-equipped mode ls only. 1. Remove [...]

2. On the left side of the product, remove two screws (callout 1) on the USB PCA, and then pull the PCA away from the p roduct. Figure 1-63 Remove the USB PCA (1 of 2) 1 3. Disconnect the connector (callout 1) on the back of the PCA. Figure 1-64 Remove the USB PCA (2 of 2) 1 ENWW Removal and replacement proc edures 47[...]

Formatter PCA WARNING! ESD sensitive component. 1. Remove the following components: ● Tray 2 cassette ● Left cover. See Left cove r on page 11 . ● Wireless PCA (wireles s models only). See Wi reless PCA on page 48 . 2. On the left side of the product, disconnect any connectors and flat cab les (callout 1) on the formatter, and then remove fou[...]

2. On the left side of the product, release two tabs (callout 1), pull the lower left-hand co rner of the PCA to disconnect the connector on the back of the PCA, and then pull the PCA away from the product. Figure 1-66 Remove the wireless PCA 1 Power switch PCA The power switch PCA is located in the product front cover. 1. Remove the following comp[...]

2. On the back of the front cover, use a s mall flat-bla de screwdriver to release two tabs (callout 1) to separate th e two piec es of th e cover. Figure 1-67 Remove the power-switch PCA (1 of 3) 1 3. Release two tabs (callout 1) to remove the PCA shield. Figure 1-68 Remove the power-switch PCA (2 of 3) 1 50 Chapter 1 Removal and replacement ENWW[...]

4. Release one tab (c allout 1), an d then pull the PCA out of the front cover. Figure 1-69 Remove the power-switch PCA (3 of 3) 1 Connecting PCA The connecting PCA is locat ed on the prod uct right side, below the control panel. 1. Remove the following components: ● Tray 2 cassette ● Right cover. See Right cover on page 12 . 2. On the right si[...]

Miscellaneous parts Transfer roller CAUTION: Do not touch the sponge surface of the roller unless you are replaci ng the roller. Skin oils on the roller can cause print-quality problems. Always wear latex gloves when handling a tran sfer roller for reinstallation or replacement. 1. Open the toner cartridge door, and then remove the toner cartridge.[...]

2. On the left side of the product, release the tab (callout 1) at th e center of the gear, a nd then remove the gear (cal lout 2). Figure 1-72 Remove the paper-p ickup-gear assembly 1 2 3 Reinstallation tip Press and hold back the gear arm (cal lout 3) when reinstal ling the pickup gear. Optional paper feeder (Tray 3) When replacing any parts on t[...]

Optional paper feeder right cover ▲ Starting at the back of the unit , release six tabs (callout 1), an d then slide the right cover t oward the front of the unit to remove it. Figure 1-73 Remove the optional paper f eeder right cover 1 Optional paper feeder driver PCA 1. Remove the right cover. 2. On the right side of the unit, remove one screw [...]

3. Disconnect three connectors (callo ut 1), and then remove one screw (callout 2) to remove the driver PCA. Figure 1-75 Remove the optional paper feeder driver PCA (2 of 2) 2 1 Optional paper feeder paper sensor PCA 1. Remove the right cover. 2. On the right side of the unit, remove one screw (c allout 1), release one tab (callout 2) from the driv[...]

3. On the driver PCA, disconnect one connector (callout 1). Figure 1-77 Remove the optional paper fe eder paper sensor PCA (2 of 4) 1 4. At the front of the paper feeder, remove two screws (callout 1), re move the two plastic positioning pins (callout 2), and then lift the meta l cover (callout 3 ) off the paper feeder. Figure 1-78 Remove the optio[...]

5. Remove one screw (c allout 1), and then rel ease the PCA cable from the c able guides to remove the sensor PCA. Figure 1-79 Remove the optional paper fe eder paper sensor PCA (4 of 4) 1 2 ENWW Removal and replacement proc edures 57[...]

58 Chapter 1 Removal and replacement ENWW[...]

2 Parts and diagrams NOTE: In this chapter, part numbers are listed only for available repl aceable pa rts. ● Order parts by authorized service providers ● How to use the parts lists and diagrams ● Assembly locations ● Covers, panels, and doors ● Internal assemblies ● Input devices ● Alphabetical parts list ● Numerical parts list EN[...]

Order parts by authorized service providers Order replacement parts Table 2-1 Order parts, accessories, and supplies Order supplies and paper www.hp.com/ go/suresupply Order genuine HP parts or accessories www.hp.com/ buy/parts Order through service or support providers Contact an HP-authorized service or support provider. Related documentation and[...]

Table 2-4 Whole-unit replacement part numbers (con tinued) Item Description Part number HP LaserJet Pro 400 M401d Printer 220v WUR EMEA CF274-69001 (exchange) 220v WUR CN/MY CF274-67058 (replace) 220v WUR AP CF274-69002 (exchang e) HP LaserJet Pro 400 M401n Printer 110v WUR NAR/TW CZ195-69001 (exchange) 220v WUR CN/MY CZ195-67058 (replace) 220v WUR[...]

How to use the parts lists and diagrams The figures in this chapter show the major subass emblies in the product and their component parts. A parts list table follows each exploded view assembly diagram. Each table lists the item number, t he associated part number, and t h e description of each part. If a pa rt is not listed in the table, then it [...]

Assembly locations HP LaserJet M401a, M401n, M401d models Figure 2-1 Assembly locations: HP LaserJet M401a, M401n, M401 d models 1 2 3 4 5 6 7 8 9 10 11 Table 2-5 Assembly locations: HP La serJet M401a, M 401n, M401d models Item Description Item Description 1 Cartridge door 7 Rear cover (HP LaserJet M401a and M401n models) or duplex cover (HP Laser[...]

HP LaserJet M401dn and M401dw models Figure 2-2 Assembly locations: HP LaserJet M401dn an d M401dw models 1 2 3 4 5 6 7 8 9 10 11 Table 2-6 Assembly location s: HP LaserJet M 401dn and M401dw models Item Description Item Description 1 Toner cartridge door 7 Duplex cover 2 Touchscreen control panel 8 Power receptacle 3 Jam removal door 9 Power butto[...]

Optional paper feeder Figure 2-3 Assembly loca tions: optional paper feeder 1 2 3 Table 2-7 Assembly location s: optional paper feeder Item Description Item Description 1 Positio ning pins 3 Tray 3 cass ette 2 Option in terface connector ENWW Assembly locations 65[...]

Covers, panels, and doors Figure 2-4 Covers, panels, and doors (LCD control panel models) SIMP LEX MODEL DUPLE X MODEL (J1 00 1 ) (J2 1 5 ) A0 2 A0 1 A0 2 4 3 1 6 8 3 5 2 1 1 10 9 7 66 Chapter 2 Parts and diagrams ENWW[...]

Table 2-8 Covers, panels, and doors (LCD control pan el models) Ref Description Part number Qty 1 Cartridge door assembly RM1-9145-000CN 1 2 C over, top RM1-9180-000CN 1 3 Cover, rear (duplex model) RM1-9161-000CN 1 3 Cover, rear (simplex model) RM1-9163-000CN 1 4 Cover, right RM1-9171-000CN 1 5 Cover, left RM1-9174-000CN 1 6 Cover, outer, front RC[...]

Figure 2-5 Covers, panels, and doors (tou chscreen control panel models) (J1 00 1 ) (J2) (J2 1 5 ) A0 2 A0 1 A0 2 A0 2 A08 A09 A08 A0 7 A06 A05 A0 3 A04 4 1 6 8 3 5 2 10 9 7 12 1 1 13 14 A1 0 A1 1 68 Chapter 2 Parts and diagrams ENWW[...]

Table 2-9 Covers, panels, and doors (touchscreen control panel models) Ref Description Part number Qty 1 Cartridge door assembly RM1-9145-000CN 1 2 C over, top RM1-9179-000CN 1 3 Cover, rear RM1-9161-000CN 1 4 Cover, right RM1-9171-000CN 1 5 Cover, left RM1-9123-000CN 1 6 Cover, outer, front RC3-2533-000CN 1 7 Switch, power button assembly RM1-9125[...]

Internal assemblies Figure 2-6 Internal components (1 of 5) A A A03 A0 7 A06 A05 A0 2 A0 4 A1 6 A1 7 A1 5 A1 2 A1 3 A1 4 A1 4 A03 A09 A0 1 A0 3 A1 0 A1 1 A1 8 A08 1 70 Chapter 2 Parts and diagrams ENWW[...]

Table 2-10 Internal comp onents (1 of 5) Ref Description Part number Qty 1 Fuser (110V) RM1-8808-000CN 1 1 Fuser (220V) RM1-8809-000CN 1 ENWW Internal assemblies 71[...]

Figure 2-7 Internal components (2 of 5) T OUCHS CREEN MODE L (J1 0 1 ) (M1 ) (J1 202) (J1 202) (J20 2) A20 A1 7 A1 3 A1 4 A1 5 A1 8 A1 6 A1 5 A1 9 A1 1 A0 2 A2 6 A2 5 A2 3 A2 4 A1 5 A3 8 A1 5 A1 0 A1 5 A3 7 A3 6 A3 3 A34 A3 5 A3 1 A30 A1 5 A1 5 A3 2 A2 8 A05 A2 9 A0 7 A04 A09 A08 A2 7 A06 A0 3 A3 1 A1 5 A1 5 A1 5 A1 5 A3 9 A2 2 A0 1 A1 2 A2 1 A3 1 [...]

Table 2-11 Internal comp onents (2 of 5) Ref Description Part number Qty 1 Main motor assembly RM1-9042-000CN 1 2 Bushing RC2-8263-000CN 1 3 Separation pad, multipurpose tray RL1-2115-000CN 1 4 Bushing RC2-6131-000CN 1 5 Paper pickup gear assembly RM1-7360-000CN 1 6 Paper pickup roller assembly RM1-9168-000CN 1 ENWW Internal assemblies 73[...]

Figure 2-8 Internal components (3 of 5) (J5) (J80 1 ) (J80 2) (J1 10 3 ) (J5 8 1 ) (J203) A1 2 A05 A0 7 A08 A2 2 A2 3 A06 A09 A1 0 A0 2 A03 A0 1 A1 3 A1 3 A04 A1 8 A2 5 A20 A1 9 A2 1 A2 6 A1 1 A1 2 A1 5 A1 3 A1 6 A1 4 A1 2 A1 7 1 3 4 5 6 2 A2 4 74 Chapter 2 Parts and diagrams ENWW[...]

Table 2-12 Internal comp onents (3 of 5) Ref Description Part number Qty 1 Cable, flexible, flat RK2-4452-000CN 1 2 Paper feed guide assembly RM1-9122-000CN 1 3 Laser scanner assembly RM1-9135-000CN 1 4 Registration roller as sembly RM1-8806-000CN 1 5 Transfer roller assembly RM1-9175-000CN 1 6 Sensor assembly RM1-8807-000CN 1 ENWW Internal assembl[...]

Figure 2-9 Internal components (4 of 5) (SL1 ) (S W30 1 ) (J6) (SL2) (J1 10 4 ) (FM1 ) (J1 10 5 ) (J20 7) (J1 205D) (J2 1 1) (J1 10 2 ) (J20 7) (J1 20 5F) A09 A2 4 A2 3 A0 1 A08 A2 2 A04 A1 9 A1 2 A1 6 A1 7 A1 6 A1 8 A1 1 A0 1 A2 4 A06 A0 1 A05 A0 2 A2 4 A0 3 A0 7 A0 1 A0 1 A1 4 A1 3 A1 5 A2 1 A1 0 8 7 2 3 5 6 1 4 76 Chapter 2 Parts and diagrams EN[...]

Table 2-13 Internal comp onents (4 of 5) Ref Description Part number Qty 1 Fan RK2-4418-000CN 1 2 Connecting PCA RM1-9047-000CN 1 4 Solenoid RK2-2731-000CN 1 5 Separation pad holder assembly RM1-7365-000CN 1 6 Cassette assembly (Tray 2) RM1-9137-000CN 1 7 Pickup roller, multipurpose tray (Tray 1) RL1-3307-000CN 1 8 Multipurpose tray pickup gear ass[...]

Figure 2-10 Internal components (5 of 5) DUPLE X MODEL DUPLE X MODEL USB MOD EL DUPLE X MODEL SIMP LEX MODEL A A (FT3) (SL3) (J1 101) (J7) (FT2) (FT1 ) A0 1 A08 A03 A0 2 A0 1 A0 1 A0 3 A04 A0 1 2 1 4 3 3 78 Chapter 2 Parts and diagrams ENWW[...]

Table 2-14 Internal comp onents (5 of 5) Ref Description Part number Qty 1 Engine controller assembly (DC controller) — 110V RM1-9164-000CN 1 1 Engine controller assembly (DC controller) — 220V RM1-9165-000 1 2 D uplexing paper feed assembly (duplex models only) RM1-9153-000CN 1 3 Reverse drive assembly (duplex models on ly) RM1-9157-000CN 1 3 [...]

Figure 2-11 PCA location 1 2 3 4 5 6 80 Chapter 2 Parts and diagrams ENWW[...]

Table 2-15 PCA location Ref Description Part number Qty 1 Formatter PCA (HP LaserJet M401a, M401d model s) CF148-60001 1 1 Formatter PCA (HP LaserJet M401n model) CF149-60001 1 1 Formatter PCA (HP LaserJet M401dn, M401dw models ) CF150-60001 1 1 Formatter PCA (China, HP LaserJet M401 a, M401d models) CF148-69001 1 1 Formatter PCA (China, HP Las erJ[...]

Input devices 500-sheet paper feeder Paper feeder covers Figure 2-12 Paper feeder covers 1 3 2 82 Chapter 2 Parts and diagrams ENWW[...]

Table 2-16 Paper feeder covers Ref Description Part number Qty 1 Cover, left RC3-2618-000CN 1 2 Cover, right RM1-9316-000CN 1 3 Cover, rear RC3-2621-000CN 1 ENWW Input devices 83[...]

Paper feeder main body (1 of 2) Figure 2-13 Paper feeder main body (1 of 2) (SL4) (J1 202) A0 1 A08 A0 7 A0 7 A0 7 A09 A04 A0 3 A0 2 A1 7 A0 7 A0 7 A1 4 A04 A06 A05 A0 7 A1 8 A0 7 A1 3 A0 7 A1 6 A0 7 A1 0 A1 2 A0 7 A1 5 A1 2 A0 7 A1 1 2 1 84 Chapter 2 Parts and diagrams ENWW[...]

Table 2-17 Paper feeder main body (1 of 2) Ref Description Part number Qty 1 Paper pickup gear assembly RM1-7360-000CN 1 2 Solenoid RK2-0426-000CN 1 ENWW Input devices 85[...]

Paper feeder main body (2 of 2) Figure 2-14 Paper feeder main body (2 of 2) (J1 205) (J1 203) (J1 20 5) (PS1 20 1 ) A06 A06 A05 A0 7 A0 7 A08 A1 2 A04 A04 A1 3 A04 A04 A0 1 A0 3 A0 2 A09 A04 A1 0 A04 A1 1 4 3 1 5 2 86 Chapter 2 Parts and diagrams ENWW[...]

Table 2-18 Paper feeder main body (2 of 2) Ref Description Part number Qty 1 Paper feeder pickup roller assembly RM1-9168-000CN 1 2 Paper feeder driver P CA RM1-9297-000CN 1 3 Paper feeder cassette (Tray 3) RM1-9313-000CN 1 4 Paper feeder separation pad holder assembly RM1-6303-000CN 1 5 Paper feeder paper sens or PCA RM1-1267-000CN 1 ENWW Input de[...]

Alphabetical parts list Table 2-19 Alphabetical parts list Description Part number Table and page Arm, control panel RC3-2584-000CN Covers, panels, and doors (touchscreen control panel models) on page 69 Bushing RC2-8263-000CN Internal components (2 of 5) on page 73 Bushing RC2-6131-000CN Internal components (2 of 5) on page 73 Cable, flexible, fla[...]

Table 2-19 Alphabetical parts list (continued) Description Part number Table and page Cover, left RM1-9123-000CN Covers, panels, and doors (touchscreen control panel models) on page 69 Cover, left RC3-2618-000CN Paper feeder covers on page 83 Cover, outer, front RC3-2533-000CN Covers, panels, and doors (LCD control panel models) on page 67 Cover, o[...]

Table 2-19 Alphabetical parts list (continued) Description Part number Table and page Engine controller as sembly (DC controller) — 220V RM1-9165-000 Internal components (5 of 5) on page 79 Face-down drive assembly (simplex models only) RM1-9160-000CN Internal components (5 of 5) on page 79 Fan RK2-4418-000CN Internal components (4 of 5) on page [...]

Table 2-19 Alphabetical parts list (continued) Description Part number Table and page Paper feeder separation pad ho lder assembly RM1-6303 -000CN Paper feeder main body (2 of 2) on page 87 Paper pickup gear assembly RM1-7360-000CN In ternal components (2 of 5) on page 73 Paper pickup gear assembly RM1-7360-000CN P aper feeder main body (1 of 2) on[...]

Table 2-19 Alphabetical parts list (continued) Description Part number Table and page Transfer roller assembly RM1-9175-000CN Internal co mponents (3 of 5) on page 75 Universal serial bus (USB) PCA (HP Las erJet M401dn and M401dw models only) CF368-60001 PCA location on page 81 Wireless PCA (HP LaserJet M401dw model only) CF270-60101 PCA location o[...]

Numerical parts list Table 2-20 Numerical parts list Part number Description Table and page CF148-60001 Formatter PCA (HP LaserJet M401a, M401d models) PCA location on page 81 CF148-69001 Formatter PCA (China, HP LaserJet M401a, M401d models ) P CA location on page 81 CF149-60001 Formatter PCA (HP LaserJet M401n model) PCA location on page 81 CF149[...]

Table 2-20 Numerical parts list (co ntinued) Part number Description Table and page RC3-2545-000CN Lever, power supply button Covers, panels, and doors (touchscreen control panel models) on page 69 RC3-2584-000CN Arm, control panel Covers, panels, and doors (touchscreen control panel models) on page 69 RC3-2585-000CN Cover, cable Covers, panels, an[...]

Table 2-20 Numerical parts list (co ntinued) Part number Description Table and page RM1-8807-000CN Sensor assembly Internal components (3 of 5) on page 75 RM1-8808-000CN Fuser (110V) Internal components (1 of 5) on page 71 RM1-8809-000CN Fuser (220V) Internal components (1 of 5) on page 71 RM1-9039-000CN Power button PCA Covers, panels, and doors ([...]

Table 2-20 Numerical parts list (co ntinued) Part number Description Table and page RM1-9149-000CN Control-panel assembly Covers, panels, and doors (LCD control panel models) on page 67 RM1-9153-000CN Duplexing paper feed assembly (duplex models only) Internal components (5 of 5) on page 79 RM1-9157-000CN Reverse drive assem bly (duplex models only[...]

Table 2-20 Numerical parts list (co ntinued) Part number Description Table and page RM1-9180-000CN Cover, top Covers, panels, and doors (LCD control panel models) on page 67 RM1-9297-000CN Paper feeder driver PCA Paper feeder main body (2 of 2) on page 87 RM1-9313-000CN Paper feeder cassette (Tray 3) Paper feeder main body (2 of 2) on page 87 RM1-9[...]

98 Chapter 2 Parts and diagrams ENWW[...]

Index A accessories ordering 60 after-service checklist 4 C cartri dge ordering 60 part number 60 cautions iii checklists after-service 4 preservi ce 3 conventions, document iii covers left, removing 11 locations 66 parts list 66 right, removing 12 top, removing 13, 16 covers, removing rear 20 D diagrams 59 covers. panels, and doors 66 internal ass[...]

tools, required 3 top cov er 13, 16 replacing duplexing-pap er-feed assem bly (duplex model) 32 face-down-drive assembly (base model) 32 main motor 37 paper-pickup-gear assembly 52 parts 2 right cover, removing 12 rollers, pickup and separation; removing 6 S screwdrivers, required 3 screws replacing 2 service tools, required 3 static precautions 2 [...]

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