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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You agree not to post any material which is knowingly false, obscene, hateful, threatening, harassing or invasive of a person’s privacy. Connector Pin Assignments – CN Page 87 LQ Service Manual Disassembly and Assembly Epsom the onto the ribbon mask holder groove, aligning the bottom line of micro PW sensor assembly photo sensor to the bottom line of the groove.

ISO Latin 1 9: A Servkce 8, 1st issued Align those cables as shown in the following figure. These boards are the same as the FX Remove the printhead from the CR assembly.

LQ Service Manual Troubleshooting 5.

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 FX Before disassembling, assembling, or adjusting the printer, disconnect the power supply cable from the AC epsom socket.

This information is necessary only for servicers who repair to the component level.

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

Principles of Printhead Operation The power supply circuit has several protection and control circuits. LQ Service Manual Troubleshooting 1. Manua the voltage waveform between Replace pins 3 and 4 of the PC1.

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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. Pitch Some default printer settings can be changed in this operation. This operation is required when the PW sensor assembly is replaced, and if it is not performed, the printer does not recognize that the PW sensor has been replaced, which limits the ability of the new sensor to operate.

Chapter 6 – Describes prevetive maintenance techniques. The contents of this manual are subject to change without notice.

Table provides details about these epsom. Take up the timing belt slack between the two slots completely, servicce shown in the following figure. Therefore, this section does not describe assembly procedures in most cases. 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 major features of this printer are: Reference Table Continue Ref. By pressing ‘print’ button you will print only current page.

Before Starting Disassembly Procedures 1.

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

However, in cases where print data is over the paper width, the image cut function does not operate in all modes. Is the When problem the printer is corrected? Are any printer Are all Reset the wires in the settings the dosts printed printer. Remove the printer mechanism see Section 3.

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Page 78 Figure Remove the 2 CR mounting screws securing the Manuual motor assembly. Disconnect the connector cable for the HP sensor. LQ Service Manual Adjustment 4.

Printable area Each abbreviation is defined in the following table. 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.

They operate simultaneously to push and pull the paper through the printer mechanism. The release lever position is set to continuous paper. Remove both paper support assemblies along with the paper feed roller shaft and paper 20700 shaft. These terms and conditions contain rules about posting comments. The following table shows specifications for roll paper. Flowcharts let you isolate a faulty unit based on abnormal symptoms. Chapter 5 Provides Epson-approved serivce for troubleshooting. Interface Selection [00 H][32 H].

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.

Printer status No PE sensor detects that paper is loaded.