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Pick-up motor 2
DC controller
Paper feeder
3
pick-up motor
Paper feeder
driver PCB
Faulty Envelope Feeder Pick-up Motor
Possible cause
Step
driver PCB
DC controller
3
feeder driver
PCB
Note: Before checking the envelope feeder operation, be sure
it to the frame if the rieht cover is removed.
Check
Are the connectors (J601.J603,J135.
DC controller PCB and connector 5852
on the paper feeder driver PCB making
Does the problem improve when the
paper feeder is replaced?
Place some paper in the lower cassette
and perform a test print by using the
printer driver tester. After the
prescribed time. do the voltages
between the followtng palm of
terminals on the paper feeder driver
l
l
Check
Are the connectors [J6Ol,J604.J136,
controller PCB to connector 5932 on
the envelooe feeder driver PCB makinp
good con&t?
Does the problem improve when the
envelope feeder is replaced?
Place some envelopes on the envelope
feeder and perform a test print by
using the prlnter driver tester. After the
prescribed time, do the voltages
between the following pairs of
terminals on the envelope feeder driver
about 15 MC?
l
l
Procedure
Reconnect the connectors.
N O
Replace the pick-up motor
N O
persists after replacing the
PCB. replace the DC
controller PCB.
YES
Replace the paper feeder
pick-up motor.
NO
Replace the paper feeder
Result
Reconnect the connectors.
N O
Replace the pick-up motor
driver PCB. If the problem
persists after replacing the
PCB, replace the DC
controller PCB.
Replace the envelope feeder
YES
pick-up motor.
Replace the envelope feeder
NO
hold the bottom of the PCB up or tape
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