Lexmark 13P0150 - C 750dtn Color Laser Printer, Service Manual

Page: 106 / 262

2-86
Service Manual
5060-XXX
Paper Jam 202
Paper jam is detected at the fuser assembly.
Error Code 930
This type of problem with the fuser circuits is usually associated with the zero crossover
signal from the LVPS not working correctly.
Step Action and Questions Yes No
1
Paper Jam at the Exit of the Fuser Assembly - Check to see
if the paper is jammed after the Fuser Exit Sensor.
Did the paper jam at the exit of the Fuser Assembly? Go to step 2 Go to the
“2XX Paper
Jam
Message
Table” on
page 2-19
2
Fuser Assembly Check - Remove the fuser assembly and
look for any signs broken parts or damage to the fuser that
might cause the paper to jam at the exit of the fuser
assembly.
Were any broken parts or damage found to the fuser
assembly? Replace the
“Fuser” on
page 4-15
Go to the
“Paper Path
Service
Check” on
page 2-97
Step Action and Questions Yes No
1
LVPS Cable - Check the LVPS cable to J10 on the Engine
Board to make sure it is seated correctly. Go to
“Engine
Board” on page 5-1 .
Is the cable seated correctly?
Go to step 2 Install the
cable correctly
2
Voltage Checks - Disconnect J10 from the Engine Board
assembly. Go to
“Engine Board” on page 5-1 . Check the
voltage at J10-10, on the cable. It measures approximately
+3.7 V dc.
Is the voltage correct?
Go to step 3 Replace the
following
FRUs in order:
1. “LVPS” on
page 4-14
2. “Engine
Board” on
page 4-13
3
Is Error Code 930 still displayed? Replace the
“LVPS” on
page 4-14
Problem
Solved