SC
[Level]
Symptom
Possible Cause/Required Action
detecting the main scan
magnification.
220
[D]
Laser Synchronizing Detection Error: LDB of the leading edge [K]
The laser synchronizing
detection signal for LDB [K] of
the leading edge is not output
for two seconds after LDB unit
turns on while the polygon
motor is rotating normally.
• Disconnected cable from the laser synchronizing
detection unit or defective connection
• Defective laser synchronizing detector
• Defective LDB
• Defective EGB
1. Check the connectors.
2. Replace the laser-synchronizing detector.
3. Replace the LDB.
4. Replace the EGB.
222
[D]
Leading edge laser detection error: [Y]
The laser synchronizing
detection signal for LDB [Y] of
the leading edge is not output
for two seconds after LDB unit
turns on while the polygon
motor is rotating normally.
Same as SC 220
224
[D]
Leading edge laser detection error: [M]
The laser synchronizing
detection signal for LDB [M] of
the leading edge is not output
for two seconds after LDB unit
turns on while the polygon
motor is rotating normally.
Same as SC 220
226
[D]
Leading edge laser detection error: [C]
The laser synchronizing
detection signal for LDB [C] of
the leading edge is not output
for two seconds after LDB unit
Same as SC 220
4. Troubleshooting
96
4
Summary of Contents for G-P3
Page 1: ...Model G P3 Machine Code G190 SERVICE MANUAL January 2008 Subject to change...
Page 11: ...10...
Page 77: ...11 Harness guide C x 2 12 Drive unit D x 6 x 16 3 Replacement and Adjustment 76 3...
Page 91: ...3 Replacement and Adjustment 90 3...
Page 137: ...LEDs No LEDs are used for this model except for the Network Interface 4 Troubleshooting 136 4...
Page 337: ...5 Service Tables 336 5...
Page 411: ...MEMO 410...
Page 412: ...MEMO 411...
Page 413: ...MEMO 412...
