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Diagnostic Information 2-54
4059-XXX
Configuration 2
A level I fuser board and level II engine board are installed in
configuration 2.
Note: Check the fuser envelope conditioner solenoid adjustment as
described in the adjustment section “Fuser Solenoid Adjustment” on
page 4-3.
FRU Action
1 Engine Board Jumpers Check to make sure a jumper is
installed between JP1-2 and JP1-3
and also between JP2-2 and JP2-3 on
theengineboard.
Note: If the jumpers are not in the
correct position on the engine board,
damage can result to the fuser board.
2 Fuser Envelope Conditioner
Solenoid
The operation of the fuser solenoid
can be observed by removing the
redrive assembly. Check for proper
mechanical operation of the solenoid
and associated hardware, link and so
on. If correct, check the resistance of
the solenoid between J4-1 and J4-2.
The resistance measures between 5
ohmsand10ohms.Iftheresistanceis
incorrect, replace the solenoid
assembly.
3 Fuser Control Board The solenoid receives power from the
fuser control board. The fuser control
board receives +42Vdc from the LVPS
via the interconnect board and
envelope conditioner cable. Check for
approximately +42 V dc at the
+42 V dc testpoint on the fuser control
board, If the voltage is incorrect,
replace the fuser control board.