MINOLTA-QMS magicolor 330, Service Manual

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magicolor 330 Large-Capacity Input Feeder Service Manual LCIF-37
5.1 Error Message: Inoperative LCIF
The LCIF does not work at all, the LCIF does not attempt to feed paper, and the problem is not identified by a
displayed Error Message.
Step Actions and Questions Yes No
SUSPECT COMPONENTS
The following components are associated with this specific
problem. 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 problem disappears.
• Wiring and connectors linking the components
1
LCIF HARNESS CHECK
Check the wire harness that is running between the Feeder
PWB and the MCU PWB.
Is one end of the wire harness connected to P/J133 on the
Feeder PWB and is the other end connected to the MC
PWB and the LVPS?
Go to step 2 Reconnect
the wire har-
ness
2
PRINTER OPERATION CHECK
Generate a printer test print fed from Upper Tray.
Does the printer generate a test print fed from Upper Tray?
Go to step 3 Go to FIP 4.1
Inoperative
Printer in the
Base Engine
Manual
3
LCIF OPERATION CHECK
Generate test prints from Tray 2, OPT2 Tray, and OPT3 Tray.
Does the printer generate a test print from any of the LCIF
trays?
Go to step 7 Go to step 4
4
LCIF +5VDC VOLTAGE CHECK
1. Remove the LCIF Rear Cover (LCIF DRP 6.2).
2. Measure the voltage between P/J133-B5 and FG (frame
ground) on the Feeder PWB.
Is there +5VDC between P/J133-B5 and FG on the Feeder
PWB?
Go to step 5 Go to the
Base Engine
Manual and
troubleshoot
for a loss of
+5VDC from
LVPS
5
LCIF +24VDC VOLTAGE CHECK
Measure the voltage between P/J133-B1 and FG (frame
ground) and between P/J133-B2 and FG on the Feeder PWB.
Is there +24VDC between P/J133-B1 and FG and between
P/J133-B2 and FG?
Go to step 6 Go to the
Base Engine
Manual and
troubleshoot
for a loss of
+24VDC from
the MCU
PWB