YQE8-J0092E
Contents
1
．
Scope .................................................................................................................................................... 1
2
．
Periodic Inspection................................................................................................................................ 2
2.1 Parts Required.................................................................................................................................................. 2
2.2 Tools Required ................................................................................................................................................ 2
2.3 Tool Required .................................................................................................................................................. 2
2.4 Maintenance Schedule ..................................................................................................................................... 3
2.5 Inspection Contents ......................................................................................................................................... 4
2.6
Description for point of cleaning ..................................................................................................................... 6
2.7 Description for point of lubrication ............................................................................................................... 11
3
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Adjustment ..........................................................................................................................................14
3.1 Power Unit Voltage Setting ........................................................................................................................... 14
3.1.1 +5V Setting............................................................................................................................................. 14
3.1.2 Thermal Head Power (THV) Setting ...................................................................................................... 15
3.1.3 +24V Verification................................................................................................................................... 15
3.2 Timing Belts Adjustment............................................................................................................................... 16
3.2.1 For Feed Roller Drive ............................................................................................................................. 16
3.2.2 For Feed Roller Drive ............................................................................................................................. 16
3.2.3 For Roll Paper Drive............................................................................................................................... 16
3.3 Print Density Adjustment .............................................................................................................................. 17
3.4 Resetting Maintenance Print Counter and Cutter Counter............................................................................. 18
4
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Test Printing ........................................................................................................................................20
5
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Troubleshooting ..................................................................................................................................21
5.1 How to Use This Specification ...................................................................................................................... 21
5.2 Troubleshooting Table................................................................................................................................... 22
5.2.1 Troubles during Power On and Off ........................................................................................................ 22
5.2.2 Error Messages on LCD Display when Power Is On ............................................................................. 24
5.2.3 Troubles in Operation Buttons and Indicators ........................................................................................ 29
5.2.4 Troubles in Paper Feed ........................................................................................................................... 31
5.2.5 Troubles in Feeding Ink Ribbon ............................................................................................................. 34
5.2.6 Troubles in Printing and Contents of Printing ........................................................................................ 36
5.2.7 Occurrence of Abnormal Noise .............................................................................................................. 39
5.2.8 Troubles in Connection........................................................................................................................... 41
Appendix 1: Maintenance Parts List (including Periodic Replacement Parts).........................................43
Appendix 2: BLOCK DIAGRAM................................................................................................................45
