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












Call our direct line to Speak to a real Technician

                      Live Tech Support is

                            Always Free

                       (619) 654-6301

Konica Bizhub 4750 Bizhub 4050 Error Codes

​​San Diego Copier Repair