Ricoh Mp C3000 Service Manual
Have a look at the manual Ricoh Mp C3000 Service Manual online for free. It’s possible to download the document as PDF or print. UserManuals.tech offer 127 Ricoh manuals and user’s guides for free. Share the user manual or guide on Facebook, Twitter or Google+.
![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/w64_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...")
![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...](http://img.usermanuals.tech/thumb/64/98663/w64_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...")
![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...](http://img.usermanuals.tech/thumb/64/98663/w64_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...")
![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...](http://img.usermanuals.tech/thumb/64/98663/w64_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 4-19 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, Troubleshooting Procedures)
210 C Laser synchronizing detec tion error: end position [K]
211 C Laser synchronizing detection error: end position [Y]
212 C Laser synchronizing detection error: end position [M]
213 C Laser synchronizing detection error: end position [C]
The laser synchronizing detection signal
for the end position of LDB [K],
[Y], [M], [C] is not detected for one second after the LDB unit turned on
when detecting the main scan magnification.
ƒ
Disconnected or defective harness to synchronizing detector for
end position
ƒ Defective synchronizing detector board
ƒ Defective LD board or driver
ƒ Defective BICU
1. Replace the harness of the LD board.
2. Replace the laser optics housing unit.
3. Replace the BICU.
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 on while the polygon motor is rotating
normally.
ƒ
Disconnected cable from the laser synchronizing
detection unit or defective connection
ƒ Defective laser synchronizing detector
ƒ Defective LDB
ƒ Defective BICU
1. Check the connectors.
2. Replace the laser-s ynchronizing detector.
3. Replace the LDB.
4. Replace the BICU.
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 Details (Symptom, Possible C ause, Troubleshooting Procedures) FGATE OFF error: Bk ƒ The PFGATE ON signal still asserts within 5 seconds after processing the image in normal job or MUSIC for end position [K]. ƒ The PFGATE ON signal still asserts when the next job starts. 231 D See SC 230 for troubleshooting details. No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) FGATE ON error: Y The PFGATE ON signal does not as sert within 5 seconds after processing the image in normal job or MUSIC for start position [Y]. 232 D See SC 230 for troubleshooting details.
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 after processing the image in normal job or MUSIC for start position [M]. 234 D See SC 230 for troubleshooting details. No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) FGATE OFF error: M ƒ The PFGATE ON signal still asserts within 5 seconds after processing the image in normal job or MUSIC for end position [M]. ƒ The PFGATE ON signal still asserts when the next job starts. 235 D See SC 230 for troubleshooting details. No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) FGATE ON error: C The PFGATE ON signal does not as sert within 5 seconds after processing the image in normal job or MUSIC for start position [C]. 236 D See SC 230 for troubleshooting details.
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 error: M 243 C LD error: C The BICU detects LDB error a few times consecutively when LDB unit turns on after LDB initialization. ƒ Worn-out LD ƒ Disconnected or broken harness of the LD 1. Replace the harness of the LD. 2. Replace the laser optics housing unit. 3. Replace the BICU.
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 & Adjustment). 2. Check and reinstall the image transfer belt unit and PCUs. 3. Check if each toner bottle has enough toner. 4. Replace the ID sensor. 5. Replace the image transfer belt unit. 6. Replace the PCU(s). 7. Replace the laser optics housing unit.
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 unit. 3. Replace the shutter motor. 4. Replace the shu tter close sensor. 5. Replace the IOB. No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) Shutter overrun error 1: Close The shutter close sensor loses the ON signal after the shutter was closed. ƒ Defective motor ƒ Change of load to shutter motor 291 C 1. Replace the shutter on the laser optics housing unit.
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.
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 unit. 3. Replace the shutter motor. 4. Replace the shu tter close sensor. 5. Replace the IOB. No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) Shutter overrun error 1: Open The shutter open sensor loses the ON signal after the shutter was closed. ƒ Defective motor ƒ Change of load to shutter motor 294 C 1. Replace the shutter on the laser optics housing unit.
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 harness(es) of the s hutter open/close sensors 296 D 1. Replace the shutter on the laser optics housing unit.