122.14, And 122.15 Error Code Service Check - Lexmark C77x Service Manual

5061

122.07, 122.14, and 122.15 error code service check

Fuser assembly cam position is not found.
Step Actions and questions
1 Observe the fuser drive assembly gears rotate during
POR.
Do the gears rotate?
2 Do the gears stop and the fuser drive assembly gears
make a loud buzzing sound?
3
Check for correct installation of the fuser control cable
to J17 on the system board. Make sure the cable is
properly connected.
Is the cable installed correctly?
4 Remove the fuser from the printer. Measure the
voltage at the DC fuser control connector on the LVPS
on pin 2 and 9 on the connector. The voltage should
measure approximately +5 V dc.
Is the voltage correct?
5 Check for correct installation of the fuser drive motor
cable to connector J15 on the system board.
Is the cable installed correctly?
6
Remove the fuser fan to gain access to the motor
cable. Check the correct installation of the fuser drive
motor cable to connector J1 on the fuser drive motor
board.
Is the cable installed correctly?
2-22
Service Manual
Yes No
Go to step 2 Go to step 5
Replace the Go to step 3
FRUs in the order
shown:
1. Fuser drive
assembly.
See "Fuser
drive
assembly
removal" on
page 4-46.
2. "Fuser
assembly
removal" on
page 4-44.
Go to step 4 Install the cable
correctly.
Replace the fuser Replace the
assembly. See LVPS assembly.
"Fuser See
assembly assembly
removal" on removal" on
page 4-44. page
Go to step 6 Install the cable
correctly.
Replace the Install the cable
following FRUs in correctly.
the order shown:
1. Fuser drive
assembly.
See "Fuser
drive
assembly
removal" on
page 4-46.
2. System
board. See
"System
board
removal" on
page 4-89.
"LVPS
4-53.