136 Error Code - Lexmark 13P0195 - C 750dn Color Laser Printer Service Manual

5060-00x

136 Error code

Fuser assembly cam position is not found
Step Action 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 J10 on the engine board.
Is the cable installed correctly?
4 Enter the diagnostic mode. Measure the voltage on the
engine board connector J10-2. The voltage should
measure approximately +5 V dc.
Is the voltage correct?
5 Remove the fuser from the printer. Measure the voltage
at the DC fuser control connector, pins 2 and 9. The
voltage should measure approximately +5 V dc.
Is the voltage correct?
6 Check for correct installation of the fuser drive motor
cable to connector J8 on the engine board.
Is the cable installed correctly?
7 Remove the fuser fan to gain access to the fuser drive
motor cable. Check the cable for correct installation to
J1 on the fuser drive motor assembly.
Is the cable installed correctly?
8 Enter CE Diagnostic mode and measure the following
voltages on connector J8.
Voltages are approximate.
Pin
J8-8
J8-4
Are the voltages correct?
2-56
Service Manual
Voltage
+24 V dc
+5 V dc
Yes No
Go to step 2 Go to step 6
Replace the fuser Go to step 3
assembly. See
"Fuser assembly
removal" on
page 4-31
Go to step 4 Install the cable
correctly.
Go to step 5 Replace the engine
board assembly.
See
board removal"
on page
Replace the fuser Replace the LVPS
assembly. See assembly. See
"Fuser assembly "Low voltage
removal" on power supply
page 4-31. (LVPS) removal"
on page
Go to step 7 Install the cable
correctly.
Go to step 8 Install the cable
correctly.
Replace the fuser Replace the engine
drive assembly. board assembly.
See "Fuser drive See
assembly board removal"
removal" on on page
page 4-33.
"Engine
4-29.
4-38.
"Engine
4-29.