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2-55 4059 Service Manual
4059-XXX
4 LVPS Interconnect Board
Envelope Conditioner Cable
Check the +42 V dc test point on the
fuser control board. If the voltage is
incorrect, check the continuity of the
envelope conditioner cable. If the
cable does not measure continuity,
replace the cable. If the cable
measures continuity, check the
voltage at J1-2 on the interconnect
board. The voltage measures
approximately +42 V dc. If incorrect,
check the voltage at CN3-18 on the
LVPS. It measures approximately
+42 V dc. If incorrect, replace the
LVPS.Ifcorrect,replacethe
interconnect board assembly.
5 Fuser DC Cable (Engine
board to Fuser Board cable)
Engine Board
Check for continuity of the DC fuser
cable that is attached between J2 on
the engine board and J1 on the fuser
control board. If the cable does not
measure continuity, replace the cable.
If the cable measures continuity,
replace the engine board.
FRU Action