Frontier LP7700 - No. 01074 Sensors May be Dirty

4. Troubleshooting
41000
5/7
41000
Attention message: Printer
No. 01074
Sensors may be dirty.
Attention message release
YES
Condition
Check Point
NOTE
• In the service mode, LED light intensity value is displayed in the Paper Sensor Adjust.
• After cleaning each sensor, carry out Paper Sensor LED Light Intensity Adjustment again and check that the sensor LED light
intensity changes.
Diagnosis
NOTE
• To access the wiring diagrams, click Wiring diagrams in Bookmarks.
Condition
The light source level when the sensor status changes from DARK to LIGHT is 170 or more, when carrying out Paper Sensor LED
Light Intensity Adjustment via Functions in Paper Sensor Adjustment.
Suffix number (bit) Condition
00001 Paper end sensor A (SE6)
00002 Paper end sensor B (SE4)
00004 Paper end sensor C (SE5)
00064 Exposure start sensor (SE14)
00128 Paper sensor 1 (SE18)
00256 Paper sensor 2 (left) (SE25)
00512 Paper sensor 2 (center) (SE26)
01024 Paper sensor 2 (right) (SE27)
02048 Paper end sensor A2 (SE29)
1 Clean each sensor using a blower brush.
2 Carry out Paper Sensor Adjustment.
☞36000
Failed part Manual No.
Paper end sensor A (SE6)
☞63051
Paper end sensor B (SE4)
Paper end sensor C (SE5)
Paper end sensor A2 (SE29)
Exposure start sensor (SE14)
☞63070
Paper sensor 1 (SE18)
☞63090
Paper sensor 2 (left) (SE25) ☞63110
Paper sensor 2 (center) (SE26)
Paper sensor 2 (right) (SE27)
Printer I/O PCB 2
☞66030
Printer I/O PCB 3 ☞66040
Triple magazine PCB
☞66050
Quad magazine PCB
☞66055
Printer control PCB ☞66000
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