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magicolor 330 - Base Engine Service Manual 3-61
Primary FIPS: Error Messages
3.57 - Error Message: Fuser Unit Missing
There is a problem with the Fuser Unit.
Logic control on the MCU PWB detected that the Fuser Interlock circuit is open.
Step Actions and Questions Yes No
SUSPECT COMPONENTS
The following components are associated with this specific prob-
lem. One or more of these components may have failed partially or
completely. If you cannot isolate the problem using this FIP,
replace each component listed below, one at a time, until the prob-
lem disappears.
• Wiring and connectors linking the components
• Obstructions or damage in the Fuser Unit docking area inside the
printer
1
FUSER UNIT RESEAT
1. Slide the Fuser Unit out of the printer.
2. Slide the Fuser Unit into the printer.
Does the error message still appear?
Go to step 2 Problem
solved
2
FUSER UNIT P/J70 & P/J71 INSPECTION
1. Slide the Fuser Unit out of the printer.
2. Inspect the P/J that is located at the rear of the Fuser
Unit.
3. Inspect the mating P/J that is located at the rear of the
printer, just below the Fuser Fan.
Are both P/Js undamaged and do the two mate correctly when
you slide the Fuser Assembly into the printer?
Go to step 3 Replace the
Fuser Unit
(9.80) or
replace the
Fuser Harness
Assembly
(PL9.3.26) and
the Fuser Con-
nector
(PL13.1.13)
3
Replace the MCU PWB (RRP 9.123)
Does the error message still appear?
Go to suspect
components
Problem
Solved