English dropdown-ico

Epson Serial Interface GQ-3500 manual

1
2
3
4
5
6
7
8
9
10
11
12
13

Go to page of

Similar user manuals

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Epson Serial Interface GQ-3500, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Epson Serial Interface GQ-3500 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of Epson Serial Interface GQ-3500. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of Epson Serial Interface GQ-3500 should contain:
- informations concerning technical data of Epson Serial Interface GQ-3500
- name of the manufacturer and a year of construction of the Epson Serial Interface GQ-3500 item
- rules of operation, control and maintenance of the Epson Serial Interface GQ-3500 item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Epson Serial Interface GQ-3500 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Epson Serial Interface GQ-3500, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Epson service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Epson Serial Interface GQ-3500.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Epson Serial Interface GQ-3500 item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    EPSON ® Serial Interface for the GQ-3500 Printed in Japan m 88.11-5 Y59099101000[...]

  • Page 2

    Serial Interface The serial interface is an option for your CQ-3500 printer. These pages tell you how to install and use the serial interface. The GQ-3500 serial interface is actually two interfaces in one. It can be used as either an RS-232C interface (the factory setting) or an RS-422 interface, depending on the settings of the jumpers on the cir[...]

  • Page 3

    3. 4. 5. 6. For RS422 operation, set the jumpers at Jl and J2 as follows . At Jl, move REV, RD, and SRI to the right. At J2, set all jumpers in the installed position, except for TR+ and TR-. Jumpers that were not given a especific setting above do not need to be changed to select RS-232C or RS-422 operation (although they may affect how the interf[...]

  • Page 4

    3. 4. Configure the jumpers on the serial interface card as described above. Remove the parallel interface from the back of the printer by loosening the two Knobs and pulling its straight out as shown in Figure 1. Store the parallel in the box that the serial interface came in Figure 1. Removing the interface 5. Slide the serial interface into the [...]

  • Page 5

    The Serial Interface DIP Switches On the right side of the serial interface are two banks of DIP switches, as shown in Figure 2. Group 4 is on the left and 5 is on the right.) switches control many of the of the interface ,as detailed in Table 1. settings. You can use a ballpoint pen to change the switch Because DIP switch groups 1 and 2 are the sa[...]

  • Page 6

    Table 1. Serial interface DIP switches Serial Interface 5[...]

  • Page 7

    Setting the data trader rate The following table shows the DIP switch settings for the various possible data transfer (baud) rates Table2. Baud rate settings The Serial Interface Jumpers The following tables describe the functions of the jumpers on the serialinterface. The main function of these jumpers is to switch between RS-232 C and RS-422 oper[...]

  • Page 8

    The jumpers at Jl The jumpers at J1 are two position jumpers. The small plugs can be moved from the left two wires to the right two wires to change the settings. Table 3 describes the functions of the jumpers at Jl. When delivered from the factory, all jumpers are in the left position. Table3. Functions of the jumpers at J1 Serial Interface 7[...]

  • Page 9

    The jumpers at J2 Jumpers at J2 are single position jumpers; they can be either installed or disconnected. To change the settigs of these jumpers you must put a jumper plug across the two pins. To disconnect a jumper plug, simply move the plug so that it rests on the left pin only, leaving the right pin open. (All plugs are in this position when th[...]

  • Page 10

    The GQ-3500 has a buffer that will hold up to 102 characters, including the ETX code at the end of the group. The computer can send the first group of characters and then stop until the first ACK is received. From then on,every time an ACK is received, another group of characters can be sent. DlP switch 5-2 controls ETX/ACK protocol. If DIP switch [...]

  • Page 11

    1. When the input buffer becomes nearly full (within 128 bytes) 2 When the pinter goes off line (by pressing the ON LINE button) 3. When the printer runs out of paper 4. When the printer runs out of toner 5. When an error is detected. when the DTR signal goes low, the computer musts stop sending data within 128 characters The signal goes back high [...]

  • Page 12

    Table5. Pins and signals Serial Interface 11[...]

  • Page 13

    Table 5. Continued 12 Serial Interface[...]