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CHAPTER 6
M- 15
Possible cause Step
Video
controller
PCB
Pick-up
motor
Pick-up
motor driver
Pen
DC controller
PCB
C a s s e t t e f e e d 4
roller clutch
solenoid
Sensor PCH
6-36
No Paper Pick-up from Upper Cassette
Place some paper in lhe upper
1
cassette and perform a test print by
using the printer driver tester. Is the
paper picked up from the cassette?
~~~.~
~,.._
~~__~~~... ____.
2
Plare some paper in the upper
cassette and perform a test print by
using the printer driver tester. After
the prescribed time, does the pick-up
motor start running?
3
Place some paper in the upper
cassette and perform a test print by
using the printer driver tester. After
the prescribed lime. does the volt@?
between connectors J602-A3 (1ST)
and J602-A5 @ND) on the pick-up
motor driver PCB change from 0 V to
about 1.3 VDC?
When step 3 is carried out. does the
voltage between connectors J704-2
(1 STD) and 5704.1 (24v) on the sensor
PCB change from 0 V to about 24
V D C ?
Check
Result
Procedure
Y E S
Replace the video controller
PCB.
NO-
Check by following the
steps in M- 12. "Faulty
Pick-up Motor".
_~
NO
Replace the pick-up motor
driver PCB. If the problem
persists after replacing the
PCB. replace the DC
controller PCB.
Replace the cassette feed
Y E S
roller clutch solenoid.
_
._______
Replace the sensor PCB.
N O
-
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