Action Yes No
Step 4
a Turn o 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?
Perform an LVPS
service check. See
“LVPS service
check” on
page 137.
Replace the fuser.
See
“Fuser
removal” on
page 346.
Step 5
Check the fuser rollers, belts and gears for damage and debris.
Are they free of damage and debris?
Perform a cooling fan
service check and
LVPS service check.
See
“Cooling fan
service check” on
page 144 and
“LVPS service
check” on
page 137.
Replace the fuser.
See
“Fuser
removal” on
page 346.
126 errors
126 error messages
Error code Description Action
126.01 Line frequency outside operating range of device. Go to
“LVPS service check” on page 137.
126.02 No line frequency detected.
LVPS service check
Action Yes No
Step 1
a Check the power cord for continuity. Replace if necessary.
b Make sure the nominal voltage source is within specification.
See
“Electrical specifications” on page 483.
Does the error remain?
Go to step 2. The problem is
solved.
Step 2
Check if the power supply cable is properly connected to the
controller board.
Is it properly connected?
Go to step 3. Reseat the cables.
7016
Diagnostic information
137
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