EPSON LQ 2070 SERVICE MANUAL PDF

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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EPSON – LQ B/W DOT-MATRIX PRINTER SERVICE MANUAL Pdf Download.

You can perform this procedure only with the Settings Diskette. The power supply circuit has several protection and control circuits. Paper thickness lever indicated in the following table. Release the left clips for the panel board assembly by pushing them from the cutout located on the inside front of the upper housing assembly.

Wh en cut-sheet paper loaded paper is loaded, correctly, but continuous is it ejected paper not loaded automatically?

Remove any slack in the paper between the platen and pull tractor. Remove the 2 Manuaal mounting screws securing the CR motor assembly. Page of Go. Remove both paper feed rollers from both paper support assemblies. Page 77 List of Figures Figure Reerence Table Continue Ref. Check the voltage waveform between the source and drain of the Q1. Bottom Entrance Figure shows the paper path for tractor feeding using the bottom entrance.

Connector Pin Assignments – CN A April 8, 1st issued Disassembly and Assembly of CSF Bin 1 This section describes procedures for disassembling and assembling the optional cut sheet feeder. The checkpoint column shows items to be checked, including proper values to be set for each component of the printer mechanism. The checkpoint tables let you identify the faulty part or unit by checking the values or ranges listed for each component.

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Pitch Some default printer settings can be changed in this operation. The following table shows specifications for roll paper. Page 61 LQ Service Manual Operating Principles As shown above in Figuremahual 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. Go to flowchart powered on, LQ Service Manual Troubleshooting 1. Adjustment LQ Service Manual 4.

ISO Latin 1 9: Appendix Table of Contents A. Page 9 Servicee of Tables Table Checkpoints refer to proper waveforms, resistances, and other values to check when evaluating the operation of any potentially faulty component. Figure Removing the E-ring Remove 1 gear 29 mm from the right edge of the paper feed shaft.

The push tractor is installed at the paper entrance and pushes paper into the printer.

Epson LQ-2070 Service Manual

By submitting a comment, you are declaring that you agree with these rules:. Page Appendix Table of Contents A. The printer has two PE paper end sensors.

Before disassembling, assembling, or adjusting the printer, disconnect the power supply cable from the AC power socket. You acknowledge that all comments express the views and opinions of the original author and not those of the administrator.

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Chapter 4 Includes a step-by step guide for addjustement.

Enter text from picture: Draft mode Draft copy mode 3. Table provides details about these lubricants. Remove the following parts: Printer status The front PE sensor detects that paper is loaded in the front paper path.

Don’t have an account? LQ Service Manual Troubleshooting 4. The LQ is a 24pin serial impact dot-matrix printer suitable for the VAR value addedreseller market.

Remove both paper support assemblies along with the paper feed roller shaft and paper support shaft.

Check these values and take the appropriate action. The front entrance can be used with any of the following paper feed methods: Is the When problem the printer is corrected?

The checkpoint column provides proper waveforms, resistance values, and other information for each component of C MAIN. Check that the resistance between the Replace 5 V lines are collector and emitter is infinite.

Is the resistance of the PF motor coils correct? Housing Assembly This consists of printer cover assembly, edge guide assembly, upper housing, lower housing assembly, etc. LQ Service Manual Operating Principles The following figure shows the data flow from the host computer to the printhead.