Ricoh Mp C3000 Service Manual
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Page 281
SM 4-19 B230/B237/D042 Trouble shooting No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) Polygon motor error 3: XSCRDY signal error The SCRDY_N signal goes HIGH (inac tive) while the laser diode is firing. ƒ Disconnected or defective harness to polygon motor driver board ƒ Defective polygon motor ƒ Defective polygon motor driver board 204 D 1. Check or replace the harness. 2. Replace the polygon motor. No. Type Details (Symptom, Possible C ause,...
Page 282
![Page 282
B230/B237/D042 4-20 SM
No. Type Details (Symptom, Possible Cause, Troubleshooting
Procedures)
220 D Laser synchronizing detecti on error: start position [K]
222 D Laser synchronizing detecti on error: start position [Y]
224 D Laser synchronizing detecti on error: start position [M]
226 D Laser synchronizing detecti on error: start position [C]
The laser synchronizing detection
signal for the start position
of the LDB [K], [Y], [M], [C] is not output for two seconds after
LDB unit turns...](http://img.usermanuals.tech/thumb/64/98663/w300_mp-c3000-service-manual-1509271621_d-281.png "Page 282
B230/B237/D042 4-20 SM
No. Type Details (Symptom, Possible Cause, Troubleshooting
Procedures)
220 D Laser synchronizing detecti on error: start position [K]
222 D Laser synchronizing detecti on error: start position [Y]
224 D Laser synchronizing detecti on error: start position [M]
226 D Laser synchronizing detecti on error: start position [C]
The laser synchronizing detection
signal for the start position
of the LDB [K], [Y], [M], [C] is not output for two seconds after
LDB unit turns...")
B230/B237/D042 4-20 SM No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 220 D Laser synchronizing detecti on error: start position [K] 222 D Laser synchronizing detecti on error: start position [Y] 224 D Laser synchronizing detecti on error: start position [M] 226 D Laser synchronizing detecti on error: start position [C] The laser synchronizing detection signal for the start position of the LDB [K], [Y], [M], [C] is not output for two seconds after LDB unit turns...
Page 283
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SM 4-21 B230/B237/D042
Trouble
shooting
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures)
FGATE ON error: Bk
The PFGATE ON signal does not as sert within 5 seconds after
processing the image in normal job or MUSIC for start position [K].
ƒ Defective ASIC (Lupus)
ƒ Poor connection between controller and BICU.
ƒ Defective BICU
230 D
1. Check the connection between the controller board and the BICU.
2. Replace the BICU.
3. Replace the c ontroller board.
No. Type...](http://img.usermanuals.tech/thumb/64/98663/w300_mp-c3000-service-manual-1509271621_d-282.png "Page 283
SM 4-21 B230/B237/D042
Trouble
shooting
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures)
FGATE ON error: Bk
The PFGATE ON signal does not as sert within 5 seconds after
processing the image in normal job or MUSIC for start position [K].
ƒ Defective ASIC (Lupus)
ƒ Poor connection between controller and BICU.
ƒ Defective BICU
230 D
1. Check the connection between the controller board and the BICU.
2. Replace the BICU.
3. Replace the c ontroller board.
No. Type...")
SM 4-21 B230/B237/D042 Trouble shooting No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) FGATE ON error: Bk The PFGATE ON signal does not as sert within 5 seconds after processing the image in normal job or MUSIC for start position [K]. ƒ Defective ASIC (Lupus) ƒ Poor connection between controller and BICU. ƒ Defective BICU 230 D 1. Check the connection between the controller board and the BICU. 2. Replace the BICU. 3. Replace the c ontroller board. No. Type...
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B230/B237/D042 4-22 SM
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
FGATE OFF error: Y
ƒ The PFGATE ON signal still asserts within 5 seconds after
processing the image in normal job or MUSIC for end position [Y].
ƒ The PFGATE ON signal still asserts when the next job starts.
233 D
See SC 230 for troubleshooting details.
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures)
FGATE ON error: M
The PFGATE ON signal does not as sert within 5 seconds...](http://img.usermanuals.tech/thumb/64/98663/w300_mp-c3000-service-manual-1509271621_d-283.png "Page 284
B230/B237/D042 4-22 SM
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
FGATE OFF error: Y
ƒ The PFGATE ON signal still asserts within 5 seconds after
processing the image in normal job or MUSIC for end position [Y].
ƒ The PFGATE ON signal still asserts when the next job starts.
233 D
See SC 230 for troubleshooting details.
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures)
FGATE ON error: M
The PFGATE ON signal does not as sert within 5 seconds...")
B230/B237/D042 4-22 SM No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) FGATE OFF error: Y ƒ The PFGATE ON signal still asserts within 5 seconds after processing the image in normal job or MUSIC for end position [Y]. ƒ The PFGATE ON signal still asserts when the next job starts. 233 D See SC 230 for troubleshooting details. No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) FGATE ON error: M The PFGATE ON signal does not as sert within 5 seconds...
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SM 4-23 B230/B237/D042
Trouble
shooting
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures)
FGATE OFF error: C
ƒ The PFGATE ON signal still asserts within 5 seconds after
processing the image in normal job or MUSIC for end position [C].
ƒ The PFGATE ON signal still asserts when the next job starts.
237 D
See SC 230 for troubleshooting details.
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures)
240 C LD error: Bk
241 C LD error: Y
242 C LD...](http://img.usermanuals.tech/thumb/64/98663/w300_mp-c3000-service-manual-1509271621_d-284.png "Page 285
SM 4-23 B230/B237/D042
Trouble
shooting
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures)
FGATE OFF error: C
ƒ The PFGATE ON signal still asserts within 5 seconds after
processing the image in normal job or MUSIC for end position [C].
ƒ The PFGATE ON signal still asserts when the next job starts.
237 D
See SC 230 for troubleshooting details.
No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures)
240 C LD error: Bk
241 C LD error: Y
242 C LD...")
SM 4-23 B230/B237/D042 Trouble shooting No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) FGATE OFF error: C ƒ The PFGATE ON signal still asserts within 5 seconds after processing the image in normal job or MUSIC for end position [C]. ƒ The PFGATE ON signal still asserts when the next job starts. 237 D See SC 230 for troubleshooting details. No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 240 C LD error: Bk 241 C LD error: Y 242 C LD...
Page 286
B230/B237/D042 4-24 SM No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Line position adjustment (MUSIC) error Line position adjustment fails four consecutive times. ƒ Pattern sampling error ( insufficient image density ) ƒ Defective ID sensors for t he line position adjustment ƒ Defective image transfer belt unit ƒ Defective PCU(s) ƒ Defective laser optics housing unit 285 D 1. Do the recovery procedure fo r SC285 (see Laser Optics Housing Unit in Replacement &...
Page 287
SM 4-25 B230/B237/D042 Trouble shooting No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) Shutter sensor time over error: Close The shutter close sens or does not detect ON for 2000msec after the shutter motor turns on. ƒ Defective shutter close sensor ƒ Disconnected or broken harness ƒ Defective shutter motor ƒ Defective shutter ƒ Shutter motor overload ƒ Defective IOB 290 D 1. Check or replace the harness. 2. Replace the shutter on the laser optics housing...
Page 288
B230/B237/D042 4-26 SM No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Shutter overrun error 2: Close The shutter close sens or detects ON after SC 291 has occurred. ƒ Defective motor ƒ Change of load to shutter motor 292 D 1. Replace the shutter on the laser optics housing unit.
Page 289
SM 4-27 B230/B237/D042 Trouble shooting No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) Shutter sensor time over error: Open The shutter open sensor does not detect ON for 2000msec after the shutter motor turns on. ƒ Defective shutter close sensor ƒ Disconnected or broken harness ƒ Defective shutter motor ƒ Defective shutter ƒ Shutter motor overload ƒ Defective IOB 293 D 1. Check or replace the harness. 2. Replace the shutter on the laser optics housing...
Page 290
B230/B237/D042 4-28 SM No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Shutter overrun error 2: Open The shutter open sensor detects ON after SC 291 has occurred. ƒ Defective motor ƒ Change of load to shutter motor 295 D 1. Replace the shutter on the laser optics housing unit. No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) Shutter open/close sensor error Both shutter open sensor and close sensor detect ON at the same time. ƒ Broken...