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Action
Step 1
a
Restore the engine settings to their defaults:
Diagnostics Menu > Printer Setup > Defaults
b
Restore the EP setup settings to their defaults:
Diagnostics Menu > EP Setup > Defaults
Does the problem remain?
Step 2
•
Check the fuser cables JTHERM1 and JEXIT for proper
connection to the controller board.
•
Check the cable PCN5 for proper connection to the power
supply.
Are they properly connected?
Step 3
Are the cables JTHERM1, JEXIT and PCN5 free of damage?
Step 4
a
Turn off the printer.
b
Remove the rear door and cover.
c
Disconnect the fuser cable connected to PCN5 of the power
supply.
d
Check for approximate correct resistance on the fuser cable:
•
220V fuser—43 ohms
•
110V fuser—10 ohms
•
100V fuser—8 ohms
Is the resistance equal to any of the above values?
Step 5
Check the fuser rollers, belts and gears for damage and debris.
Are they free of damage and debris?
Diagnostics and troubleshooting
139
Yes
No
Go to step 2.
The problem is
solved.
Go to step 3.
Reseat the cables.
Go to step 4.
Replace the fuser.
See
removal" on
page
Perform an LVPS
Replace the fuser.
service check. See
See
"LVPS service
removal" on
check" on
page
page
140.
Perform a cooling fan
Replace the fuser.
service check and
See
LVPS service check.
removal" on
See
"Cooling fan
page
service check" on
page 146
and
"LVPS service
check" on
page
140.
4514-6xx
"Fuser
314.
"Fuser
314.
"Fuser
314.
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