Lexmark C782 Service Manual - Page 64

and 122.15 error code service check

Page 64 highlights

5061 122.07, 122.14, and 122.15 error code service check Fuser assembly cam position is not found. Step 1 2 Actions and questions Observe the fuser drive assembly gears rotate during POR. Do the gears rotate? 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? Yes Go to step 2 Replace the 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 Replace the fuser assembly. See "Fuser assembly removal" on page 4-44. Go to step 6 Replace the following FRUs in 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. No Go to step 5 Go to step 3 Install the cable correctly. Replace the LVPS assembly. See "LVPS assembly removal" on page 4-53. Install the cable correctly. Install the cable correctly. 2-22 Service Manual

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2-22
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
Yes
No
1
Observe the fuser drive assembly gears rotate during
POR.
Do the gears rotate?
Go to step 2
Go to step 5
2
Do the gears stop and the fuser drive assembly gears
make a loud buzzing sound?
Replace the
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 3
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?
Go to step 4
Install the cable
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?
Replace the fuser
assembly. See
“Fuser
assembly
removal” on
page 4-44
.
Replace the
LVPS assembly.
See
“LVPS
assembly
removal” on
page 4-53
.
5
Check for correct installation of the fuser drive motor
cable to connector J15 on the system board.
Is the cable installed correctly?
Go to step 6
Install the cable
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?
Replace the
following FRUs in
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
.
Install the cable
correctly.