LQ SERVICE MANUAL. EPSON NOTICE • • • • All right reserved. Reproduction of any part of this manual in any form wharsoever without SEIKO. EPSON TERMINAL PRINTER. LQ SERVICE MANUAL detected, SEIKO EPSON would greatly appreciate being informed of them. Epson LQ – Printer – Service Manual — Free Service Manuals.

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Lubrication Points 1 and ISO Latin 1 9: Rear Entrance Figures, and show the paper paths for tractor feeding using the rear entrance. Remove the HP sensor by pushing up and releasing the 2 clips at the bottom of the HP sensor from the front paper entrance. The push tractor is installed at the paper entrance and pushes paper into the printer. The recommended lubricants are EPSON G and O-2, which have been tested extensively and found to comply with the needs of this printer.


The printhead is an pin 12 pins 2 head for impact dot printing. Chapter 6 – Describes prevetive maintenance techniques.

Troubleshooting LQ Service Manual 3. Chapter 2 – Describes the theory of Printer operation. The checkpoint column shows items to be checked, including proper values to be set for each component of the printer mechanism.

These boards are the same as the FX Page 87 LQ Service Manual Disassembly and Assembly Mount the onto the ribbon mask holder groove, aligning the bottom line of micro PW sensor assembly photo sensor majual the bottom line mnaual the groove.

Disconnect the connector cable for the HP sensor. To adjust your printer, follow these steps 1. Friction Advance Method Paper is held between the platen and the paper guide rollers and between the paper tension roller and paper tension unit cover.


This section describes these circuits. When the push tractor method is used mannual the rear entrance, the torque generated by the PF motor is transmitted to the push tractor gear through the PF motor pinion gear, paper advance reduction gear, and tractor reduction gear.

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EPSON LQ SM Service Manual download, schematics, eeprom, repair info for electronics experts

Terms and Conditions These terms and conditions contain rules about posting comments. You agree not to post any material which is knowingly false, obscene, hateful, threatening, harassing or invasive of a person’s privacy. Disassembly and Assembly LQ Service Manual When you engage the release lever and release mznual transmission to the tractor clutch cam, notice the points in the following figure.

Appendix Table of Contents A. LQ Service Manual Operating Principles As shown above in Figurewhen you use the pull tractor with this printer, you must remove the paper eject cover, which includes the paper tension roller, from the printer mechanism.

Refer to Table LQ Service Manual Troubleshooting 2.

However, in cases mnaual print data is over the paper width, the image cut function does not operate in all modes. On the other hand, the pull tractor is installed at the paper exit and pulls paper out of the printer mechanism.

The checkpoint column provides proper waveforms, resistance values, and other information for each component of C MAIN. Pitch Some default printer settings can be changed in this operation. Paperwidth Sensor Operation LC? Page 8 1. It describes various symptoms, likely causes, and checkpoints.


Check the voltage waveform between the source and drain of the Q1. Got it, continue to print. Printer is on line not in the pause state. Table provides details about these lubricants. Troubleshooting LQ Service Manual 2. Chapter 4 – Includes a step-by step guide for addjustement. CR operation is between both The CR moves abnormal. Page 31 Product Description LC?

The contents of servide manual are subject to change without notice. The major features of this printer are: The release lever position is set to continuous paper.

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Chapters Chapter 1 Product Description All efforts have been made to ensure the accuracy of the contents of this manual.

List of Figures Figure When the procedure for installing a component is simply the reverse of removing the component, this chapter does not describe the assembly procedure. Check the voltage waveform between Replace pins 3 and 4 of the PC1. Chapter 3 – Includes a step-by-step guide for product disassembly and assembly. LQ Service Manual Troubleshooting 1. By submitting a comment, you are declaring that you agree with these rules:. Adjustment LQ Service Manual 4.

Align those cables as shown in the following figure. Disassembly and Assembly of CSF Bin 1 This section describes procedures for disassembling and assembling the optional cut sheet feeder.

Before Starting Disassembly Procedures 1. Check that the resistance between the Replace source and drain is infinite.