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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Upload date 22 February MD5 00c4bced63f00ddb3d53 Downloads since 22 February Information This manual describes functions, theory of electrical and mechanical operations, maintenance, and repair of the Dpson Gear Train Cover Figure Removing the Gear Train Cover When attaching the paper eject assembly cover to the CSF unit, pay attention to the position of servoce pieces of thin plastic film glued on the reverse side of the paper eject assembly cover, as shown in Reference Table Continue Ref.

Epson LQ Service Manual : Free Download, Borrow, and Streaming : Internet Archive

Failure to comply with these rules may result in being banned from further commenting. Page 77 List of Figures Figure Page 31 Product Description LC? Check these values and take the appropriate action.

The administrator has the right to mankal, move or remove any comment for any reason and without notice. The front entrance can be used with any of the following paper feed methods: Terms and Conditions These terms and conditions contain rules about posting comments.


Rear Entrance Figures, and show the paper paths for tractor feeding using the rear entrance. Whenever you remove the PW sensor assembly, clean the surface of manuzl sensor by wiping it with a soft material.

Check that the resistance between the Replace 5 V lines are collector and emitter is infinite. 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.

Checkpoints refer to proper waveforms, resistances, and other values to check when evaluating the operation of any potentially faulty component.

The major features of this printer are: Remove any slack in the paper between the platen and pull tractor.

LQ Service Manual Maintenance: Lubrication Points 1 and Remove the panel board assembly see Section 3. List of Figures Figure By pressing ‘print’ button you will print only current page. PL length Refer to Table Disassembly and Assembly LQ Service Manual When you engage the release lever and release lever transmission to the tractor clutch cam, notice the points in the following figure.

Once you identify the problem, refer to the flowchart listed in the right-hand column of the table below to determine the cause of dpson problem. To adjust manuxl printer, follow these steps 1.

Draft mode Draft copy mode 3. Remove the following 5 gears and 1 spring from the right CSF frame.


The checkpoint tables let you identify the faulty part or unit by checking the values or ranges listed for each component. This section describes these 22070.

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

LQ Service Manual Operating Principles The following figure shows the data flow from the host computer to the printhead. Push-Pull Tractor Method The push-pull tractor method is a combination of the push and pull tractor methods. Data sent from the host computer is converted to image data and transmitted to the printhead manul the gate array. For replacement and adjustment instructions, see Chapter 3, Disassembly and Assembly, and Chapter 4, Adjustments.

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

Page 78 Figure The checkpoint column provides proper waveforms, resistance values, and other information for each component of C MAIN. Table lists each point along with its recommended lubricant. Page LQ Service Manual Adjustment Insert a thin screwdriver into the drilled hole at the right edge of the rear CR guide shaft and adjust the platen gap by moving the screwdriver forward or backward until the gap is large enough for a 0.