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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Service Manual – Epson LQ – Printer — Download free service manuals

Items Included with the Printer The chapters are organized as follows: All efforts have been made to ensure the accuracy of the 0270 of this manual.

These paper paths are divided into four groups, eson on which entrance top, rear, bottom, or front is used to feed paper. Printer is on line not in the pause state. This information is necessary only for servicers who repair to the component level. Draft mode Draft copy mode 3. Before disassembling, assembling, or adjusting the printer, disconnect the power supply cable from the AC power socket.

Roll paper is not available in all models, and not available in the U. Lubrication Points 1 and Table of Contents Add to my manuals Add. Comments 0 No comments yet. These paper-handling operations are performed by various paper handling mechanisms, such as tractors, platens, rollers, and gears.


Two tractors advance the paper: Removing the Gear Train Cover Set the Load paper from the front or rear entrance.

Epson 2070 – LQ B/W Dot-matrix Printer Service Manual

Number of pins 12x 2 staggered. The release lever position is set to continuous paper.

PL length Refer to Table The table below provides the symptoms for a number of failures. Remove both paper support assemblies along with the paper feed roller shaft and paper support shaft. When the carriage moves from left to right and vice versa on the CR guide shaft, the timing belt turns the belt-driven pulley. mabual

,anual that the resistance between the Replace source and drain is infinite. Interface Selection [00 H][32 H]. The following table shows the relationship between the repaired item and the adjustment.

The LQ is a 24pin serial impact dot-matrix printer suitable for the VAR value addedreseller market.


Remove ,anual following 5 gears and 1 spring from the right CSF frame. This manual also for: The table b;low defines the abbreviations used in the figure. Page 9 List of Tables Table Rear Entrance Figures, and show the paper paths for tractor feeding using the rear entrance.

The checkpoint tables let you identify the faulty part or unit by checking the values or ranges listed for each component. Chapter 5 Provides Epson-approved techniques for troubleshooting. The printhead is an pin 12 pins 2 head for impact dot printing. Check these values and take the appropriate action. The checkpoint column shows items to be checked, including manuwl values to be set for each component of the printer mechanism. Abnormal Paper Feed Operation Continued from flowchart 2.


Printer status The front PE sensor detects that paper is loaded in the front paper path. The printer has two PE paper end sensors.

The checkpoint column provides proper waveforms, resistance values, and other epsob for each component of C MAIN. Flowchart for Disassembling the Printer Enter text from picture: When the push tractor method is used with 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.

Page 31 Mnual Description LC?

Remove the E-ring fixing the right edge of the paper feed shaft. Disassembly and Assembly LQ Service Manual When you engage the release lever and release lever transmission wpson the tractor clutch cam, notice the points in the following figure. The push tractor is installed at the paper entrance and pushes paper into the printer.