3NN/3NP
1-4-5
1800
Paper feeder communica-
tion error
A communication error is
detected 10 times in succes-
sion.
Improper installa-
tion paper feeder.
Follow installation instruction carefully again.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
PF main PWB (YC3) and engine PWB
(YC20)
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
Defective PF main
PWB.
Replace the PF main PWB (see page 1-5-
4).
1900
Paper feeder EEPROM error
When writing the data, the
write data and the read data is
not continuously in agreement
5 times.
Defective PF main
PWB.
Replace the PF main PWB (see page 1-5-
4).
Device damage of
EEPROM.
Contact the Service Administrative Division.
2600
PF drive motor error
(paper feeder)
When the PF drive motor is
driven, error signal is detected
continuously for 1 s.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
PF drive motor and PF main PWB (YC2)
Defective drive
transmission sys-
tem of the PF drive
motor.
Check if the rollers and gears rotate
smoothly. If not, grease the bushes and
gears. Check for broken gears and replace if
any.
Defective PF drive
motor.
Replace the PF drive motor.
Defective PF main
PWB.
Replace the PF main PWB (see page 1-5-
4).
Code
Contents
Causes
Check procedures/
corrective measures
Summary of Contents for PF 470
Page 1: ...Service Manual Paper Feeder PF 470 PF 471 First Edition Date 22 11 2010 3NNSM060 ...
Page 2: ...Service Manual Paper Feeder PF 470 PF 471 First Edition Date 22 11 2010 3NNSM060 ...
Page 4: ...Revision history Revision Date Replaced pages Remarks ...
Page 5: ...This page is intentionally left blank ...
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Page 21: ...3NN 3NP 1 2 4 3 Removing the tapes 1 Remove four tapes Figure 1 2 3 Tape Tape Tape Tape ...
Page 31: ...3NN 3NP 1 3 10 This page is intentionally left blank ...
Page 49: ...3NN 3NP 2 1 4 This page is intentionally left blank ...
Page 53: ...3NN 3NP 2 2 4 This page is intentionally left blank ...
Page 59: ...3NN 3NP 2 4 2 This page is intentionally left blank ...