Fuser - Fuser Heater Error; Power Switch Error; High Voltage Power Supply Error - Lexmark C925 Service Manual

5041-030

121.05 Fuser - fuser heater error

Step Action and questions
1 Is the fuser installed and seated properly?
2 Are CN02 and CN04 on the LVPS, and CN16 on the
printhead controller board properly connected?
3 Check the fuser connectors on the fuser power cable
for damage. Is there any damage?
4 Check the fuser power cable for continuity. Is there
continuity?
5 Replace the fuser. Does this fix the problem?
6
Replace the printhead controller board. Does this fix
the problem?
7
Replace the LVPS. See
removal" on page
126.xx Power switch error
Step Action and questions
1 Is the power switch cable properly connected to CN27
on the engine controller board?
2 Replace the power switch. Does this fix the problem?
3
Replace the engine controller board. Does this fix the
problem?
4
Replace the power switch cable harness. Does this fix
the problem?
130.xx High voltage power supply error
Step Action and questions
1 Check CN11 on the printhead controller board, and
CN01 on the HVPS for proper connectivity. Are the
connection properly connected?
2 Check the HVPS - printhead controller cable for
continuity. Is there continuity?
3
Replace the HVPS-printhead controller cable. Does
this resolve the problem?
4
Replace the printhead controller board. Does this
resolve the issue?
5 Replace the HVPS. Does this resolve the issue?
2-32
Service Manual
"Low volt power supply
4-42. Does this fix the problem?
Yes No
Go to step 2. Properly install
the fuser.
Go to step 3. Properly connect
all the cables.
Replace the fuser Go to step 4.
power cable.
Go to step 5 Replace the fuser
power cable
Problem solved Go to step 6.
Problem solved Go to step 7.
Problem solved Replace the fuser
power cable.
Yes No
Properly connect Go to step 2
the connector.
Problem resolved Go to step 3.
Problem resolved Go to step 4.
Problem resolved Contact your
second level
support.
Yes No
Go to step 2 Properly connect
the connections.
Go to step 4. Go to strep 3.
Problem solved Go to step 4.
Problem solved Go to step 5.
Problem solved Contact your
second level
support.
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