Maintenance Kit Life Code - Error displayed when kit reaches 200K pages (Install Maint kit and reset in service mode by performing "New release" procedure)
Trouble Code List
0202 Code - Tray 1 feeder up/down abnormality
0204 Code - Tray 2 feeder up/down abnormality
0206 Code - Tray 3 lift up failure
0208 Code - Tray 4 lift up failure
1109 Code - Stapler motor drive malfunction
2201 Code - Toner cartridge motor rotation failure
2350 Code - Cooling fan error
2564 Code - Black toner toner density sensor failure
2A94 Code - Toner empty sensor error
3423 Code - Fuser warm up trouble
4091 Code - Engine communication error
4501 Code - Laser malfunction
4901 Code - FW/OS integrity verification error
5102 Code - Main motor failure to turn
5501 Code - AC signal abnormality
5601 Code - Engine control malfunction
6751 Code - CCD clamp/gain adjustment failure
6790 Code - AFE offset adjustment failure
6791 Code - AFE register setting error
6792 Code - White reference plate search error
6793 Code - Scanner communication error
7A00 Code - Failed to arrive home
9401 Code - Exposure lamp lighting failure detected
B001 Code - Fax board error 1
B002 Code - Fax board error 2
B003 Code - Fax board error 3
B051 Code - Fax board mount failure line 1
B110 Code - Instance generation error or observer registration error
B111 Code - Configuration space initialization NG
D004 Code - Hard disk access error (connection failure)
D091 Code - Hard disk full error
D092 Code - No hard disk (found during a disk check)
D093 Code - Wrong hard disk (found during a disk check)
D094 Code - Hard disk check disk error
D095 Code - Hard disk recovered (requiring reboot)
D096 Code - Hard disk access fault
D097 Code - Hard disk mount fault
E301 Code - Usually caused by corrupt print jobs or resolved by updating firmware.
F### Code - Abort trouble code. refer to "K.4. Abort code"
How to Reset Access Lock - "Locked out of machine due to too many failed attempts to login to Service mode"
(works on 4050/4750/C3850/C3350 series)
1. Menu
2. Counter
3. Keypad
4. Press Stop 09317
5. wait 5 minutes and lock is released
How to reset the Konica 4750 or Konica 4050 Administrator password and then format the Hard disk to get rid of Equitrac
1. Menu
2. Counter
3. Keypad
4. Press Stop 0 0 Stop 0 1 to enter service mode
5. Enter CE password 92729272
6. Press Stop 222 00 and select administator unlock
7. Change admin password back to 12345678
8. Exit service mode and hit utility and login to admin.
9. Under Security settings Format the HDD
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Konica Bizhub 4750 Bizhub 4050 Error Codes