Epson SQ-1170 Manuals

Manuals and User Guides for Epson SQ-1170. We have 1 Epson SQ-1170 manual available for free PDF download: Service Manual

Epson SQ-1170 Service Manual

Epson SQ-1170 Service Manual (176 pages)

Brand: Epson | Category: Printer | Size: 3.26 MB
Table of contents
Table Of Contents7................................................................................................................................................................
General Description7................................................................................................................................................................
Features9................................................................................................................................................................
Optional Units10................................................................................................................................................................
Specifications11................................................................................................................................................................
Hardware Specifications11................................................................................................................................................................
Figure 1-2. Nozzle Configuration11................................................................................................................................................................
Specifications For Cut Sheets12................................................................................................................................................................
Table 14. Specifications For Continuous Papers12................................................................................................................................................................
Figure 1-3. Release Lever Positions12................................................................................................................................................................
Figure 14. Label Size13................................................................................................................................................................
Figure 1-5. Printable Area For Cut Sheets14................................................................................................................................................................
Figure 1-6. Printable Area For Continuous Papers14................................................................................................................................................................
Printer Operating Environment16................................................................................................................................................................
Character Matrix18................................................................................................................................................................
Figure 1-8. Character Matrix21................................................................................................................................................................
Interface Overview22................................................................................................................................................................
Parallel Interface22................................................................................................................................................................
Data Transmission Timing22................................................................................................................................................................
Control Panel24................................................................................................................................................................
Figure 1-10. Control Panel24................................................................................................................................................................
Dip Switches And Jumper Setting26................................................................................................................................................................
Dip Switch Settings26................................................................................................................................................................
Table 1-12. Settings For Dip Switch 1 (sw1)26................................................................................................................................................................
Table 1-13. Settings For Dip Switch 2 (sw2)26................................................................................................................................................................
Jumper Setting27................................................................................................................................................................
Table 1-14. International Character Set Selection27................................................................................................................................................................
Operating Instructions28................................................................................................................................................................
Self.test28................................................................................................................................................................
Hexadecimal Dump Function28................................................................................................................................................................
Paper-out Detection And Forms Override Function28................................................................................................................................................................
Error Conditions28................................................................................................................................................................
Buzzer Operation29................................................................................................................................................................
Printer Initialization29................................................................................................................................................................
Default Values30................................................................................................................................................................
Sheet Loading And Sheet Ejection30................................................................................................................................................................
Tear-off Function31................................................................................................................................................................
Adjust Lever Operation31................................................................................................................................................................
Figure 1-11 Lever Positions31................................................................................................................................................................
Printhead Protection32................................................................................................................................................................
Ink Charge32................................................................................................................................................................
Ink End Detection32................................................................................................................................................................
Cover Open Detection32................................................................................................................................................................
Main Components33................................................................................................................................................................
C076 Main Board (main Control Circuit Board33................................................................................................................................................................
Figure 1-12. Sq-1 170 Component Layout33................................................................................................................................................................
Figure 1-13. C076 Main Board34................................................................................................................................................................
C076 Psb/pse Board (power Supply Circuit Board35................................................................................................................................................................
Figure 1-15. C076 Psb/pse Board35................................................................................................................................................................
Printer Mechanism (m.471 O/476 O36................................................................................................................................................................
Housing36................................................................................................................................................................
Figure 1-16. Model-4710/4760 Printer Mechanism36................................................................................................................................................................
Operating Principles Of Printer Mechanism40................................................................................................................................................................
Printhead Mechanism41................................................................................................................................................................
Carriage Mechanism43................................................................................................................................................................
Paper Feed Mechanism45................................................................................................................................................................
Paper Feeding Mechanism45................................................................................................................................................................
Release Lever Operation47................................................................................................................................................................
Paper Insertion Entrance49................................................................................................................................................................
Top Edge Holder Mechanism Operation52................................................................................................................................................................
Ink Mechanism53................................................................................................................................................................
Pump Motor54................................................................................................................................................................
Pump Mechanism55................................................................................................................................................................
Cap Mechanism56................................................................................................................................................................
Mechanism57................................................................................................................................................................
Ink Cartridge And Ink End Sensor59................................................................................................................................................................
Wasted Ink Drain Tank60................................................................................................................................................................
Operational Sequence Of Ink Mechanism61................................................................................................................................................................
Case Open Interlock Switch65................................................................................................................................................................
Operating Principles Of Power Supply Circuitry66................................................................................................................................................................
Voltage Allocation66................................................................................................................................................................
Operating Principles Of Control Circuitry68................................................................................................................................................................
Control Circuitry Overview68................................................................................................................................................................
Reset Circuit70................................................................................................................................................................
Detection Circuit70................................................................................................................................................................
Paper Feed Motor Drive Circuit71................................................................................................................................................................
Carriage Motor Drive Circuit72................................................................................................................................................................
Printhead Drive Circuit73................................................................................................................................................................
Pump Motor Drive Circuit75................................................................................................................................................................
Te Motor Drive Circuit76................................................................................................................................................................
Timer Circuit And Backup Circuit76................................................................................................................................................................
Eeprom Control Circuit77................................................................................................................................................................
Disassembly And Assembly78................................................................................................................................................................
Precautions For Disassembling The Printer81................................................................................................................................................................
Housing Removal91................................................................................................................................................................
Printhead Replacement92................................................................................................................................................................
Printer Mechanism Removal95................................................................................................................................................................
Circuit Board Removal97................................................................................................................................................................
Printer Mechanism Disassembly100................................................................................................................................................................
Platen Gap Parallelism Adjustment117................................................................................................................................................................
Platen Gap Adjustment118................................................................................................................................................................
Timing Belt Tension Adjustment120................................................................................................................................................................
Printhead Drive Voltage Adjustment121................................................................................................................................................................
Print Adjustment124................................................................................................................................................................
Printhead Slant Adjustment124................................................................................................................................................................
Print Position Adjustment125................................................................................................................................................................
Volume Vr1 Adjustment On Main Board126................................................................................................................................................................
Troubleshooting127................................................................................................................................................................
Figure 1-14. Control Panel130................................................................................................................................................................
Repair By Unit Replacement130................................................................................................................................................................
Preventive Maintenance151................................................................................................................................................................
Lubrication And Adhesive Application151................................................................................................................................................................
C076 Pse Boerd Circuit Diagram165................................................................................................................................................................

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