220
D
Laser synchronization detection error:
LD0
• Disconnected cable from the laser
synchronizing detection unit or defective
connection
• Defective laser synchronizing detector
• Laser beam does not go into the photo
detector
• Defective GAVD
• Defective LD Driver
• Defective LDB
• Defective BCU
The laser synchronizing detection
signal for the start position of the LD is
not output within 500 ms after the LDB
unit turns on with the polygon motor
rotating normally.
• Turn the Power Switch Off and On.
221
D
Laser synchronization detection error:
except LD0
• Laser beam does not go into the photo
detector
• Defective GAVD
• Defective LD Driver
• Defective LDB
• Defective BCU
The laser synchronizing detection
signal for the start position of the other
LDs are not output within 500 ms after
LDB unit turns on with the polygon
motor rotating normally.
• Turn the Power Switch Off and On.
230
D
FGATE ON error
• Defective GAVD and PCI bridge ASIC
• Defective BCU
• Defective controller board
• Defective harness between BCU and LDB
The FGATE signal did not assert within
1 second. (The BCU generates the
FGATE signal and sends it to the LD
unit when the registration sensor
switches on.)
• Turn the Power Switch Off and On.
• Connect the harness properly.
• Replace the harness.
• Replace LD unit.
• Replace the controller board.
Service Call Conditions
247
6
Содержание SH-P1 M020
Страница 1: ...Model SH P1 Machine Code M020 M021 Field Service Manual 29 July 2011...
Страница 2: ......
Страница 6: ...4...
Страница 16: ...Item Machine code Remarks SD Card for Fonts Type C 1 M352 For EU 1 Product Information 14 1...
Страница 20: ...7 Paper feed from optional PFU tray 4 8 Paper feed from optional PFU tray 5 1 Product Information 18 1...
Страница 65: ...3 Operation panel A B x 1 hooks x 2 Covers 63 4...
Страница 70: ...2 Laser synchronization detector A x 1 4 Replacement and Adjustment 68 4...
Страница 78: ...3 Fusing cleaning roller A 4 Replacement and Adjustment 76 4...
Страница 86: ...4 Registration sensor A x 1 4 Replacement and Adjustment 84 4...
Страница 93: ...6 Remove 2 screws and release 2 hooks Duplex 91 4...
Страница 96: ...4 2 connectors A B and the spring C 5 Duplex junction solenoid A x 2 4 Replacement and Adjustment 94 4...
Страница 97: ...6 Paper exit sensor A x 1 hooks x 3 Paper Exit 95 4...
Страница 126: ...4 Plate spring A x 1 5 Toner end sensor B x 1 4 Replacement and Adjustment 124 4...
Страница 132: ...4 Replacement and Adjustment 130 4...
Страница 238: ...12 Turn on the main power switch 13 Confirm that the application operates normally 5 System Maintenance Reference 236 5...
Страница 245: ...17 Remove the SD card after main power switch is turned off Card Save Function 243 5...
Страница 246: ...5 System Maintenance Reference 244 5...
Страница 288: ...7 Energy Saving 286 7...
Страница 289: ...Model SH P1 Machine Code M020 M021 Appendices 29 July 2011...
Страница 290: ......
Страница 292: ...2...
Страница 301: ...Appendices Controller Specifications Controller Board Appendices Controller Specifications 11 1...
Страница 310: ...1 Appendices Specifications 20 1...