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1-3-8
(5)The tray is not
descended even
though paper is
empty.
Defective wire.
Follow the flow chart below.
Defective tray bottom posi-
tion sensor.
Defective paper feed sen-
sor.
Defective PF main PWB.
Defective tray elevation
motor.
Problem
Causes/check procedures
Corrective measures
No
Start
No
No
No
Yes
Yes
Yes
Replace tray elevation motor.
Replace the wire between main
PWB and tray elevation motor.
Replace main PWB.
Replace/repair tray bottom
position sensor, or repair/replace
the actuator.
Replace/repair wire between main
PWB and tray bottom position
sensor.
Replace main PWB.
Replace paper feed sensor, or
repair/replace the actuator.
Replace/repair wire between main
PWB and paper feed sensor.
Replace main PWB.
Yes
Replace or repair wire.
Pin 3 of YC2 = 0 V?
Pin 3 of YC2 = 3.3 V?
Pin 1 of YC1 = 24 V
and pin 2 = 0 V?
Wire between
main PWB and tray
elevation motor is in good
status? (no damage coating,
or no connector loosen, etc?)
Is belt and driving part of the
tray elevation motor in
good status?
Summary of Contents for PG L2555
Page 1: ...SERVICE MANUAL PG L2555 PG L2550 PG L2545 PF 320 PF 3100...
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Page 27: ...1 1 14 This page is intentionally left blank...
Page 43: ...1 2 16 This page is intentionally left blank...
Page 67: ...1 3 24 This page is intentionally left blank...
Page 107: ...1 4 40 This page is intentionally left blank...
Page 109: ...1 5 2 Figure 1 5 2...
Page 139: ...1 5 32 This page is intentionally left blank...
Page 194: ...2 4 12 This page is intentionally left blank...
Page 199: ...Installation Guide 500 sheets paper feeder Installation Guide...
Page 201: ...Printed in China 303NY5631002 Rev 1 2012 8 G G G G G G...
Page 202: ...2000 sheets bulk feeder Installation Guide...
Page 204: ...Printed in China 303KF5632002 Rev 1 2012 7 1 2 3 4 1 2 3 1mm PF 315...
Page 205: ...SSD HD 6 HD 7 Installation Guide...
Page 206: ......
Page 207: ......
Page 208: ...IEEE1284 Interface Installation Guide...
Page 211: ...Network interface Installation Guide...
Page 214: ......
Page 215: ...OS...
Page 216: ...Wireless LAN interface Installation Guide...
Page 219: ...SERVICE MANUAL Published in August 2012 843NY110 3NYSM060 First Edition PF 320...
Page 224: ...1 1 3 1 1 3 Machine cross section Figure 1 1 2 Machine cross section Paper path...
Page 249: ...SERVICE MANUAL Published in August 2016 843S3110 3S3SM060 First edition PF 3100...
Page 252: ...2 4 Appendixes 2 4 1 Wiring diagram 2 4 1...
Page 286: ...2 1 4 This page is intentionally left blank...
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