Utax PF 320, Service Manual

Page: 26 / 47

3NY
1-3-5
1820 Paper feeder 3 communication
error
A communication error is detected
10 times in succession.
Improper installa-
tion paper
feeder. Follow installation instruction carefully
again.
Defective con-
nector cable or
poor contact in
the connector. Reinsert the connector. Also check for
continuity within the connector cable.
If none, replace the cable.
PF main PWB (YC3) and PF main PWB
(YC4)
Defective PF
main PWB. Replace the PF main PWB.
(See page 1-4-4)
1830 Paper feeder 4 communication
error
A communication error is detected
10 times in succession.
Improper installa-
tion paper
feeder. Follow installation instruction carefully
again.
Defective con-
nector cable or
poor contact in
the connector. Reinsert the connector. Also check for
continuity within the connector cable.
If none, replace the cable.
PF main PWB (YC3) and PF main PWB
(YC4)
Defective PF
main PWB. Replace the PF main PWB.
(See page 1-4-4)
1900 Paper feeder 1 EEPROM error
When writing the data, the write data
and the read data is not in agree-
ment.
Defective PF
main PWB. Replace the PF main PWB.
(See page 1-4-4)
Device damage
of EEPROM.
1910 Paper feeder 2 EEPROM error
When writing the data, the write data
and the read data is not in agree-
ment.
Defective PF
main PWB. Replace the PF main PWB.
(See page 1-4-4)
Device damage
of EEPROM.
1920 Paper feeder 3 EEPROM error
When writing the data, the write data
and the read data is not in agree-
ment.
Defective PF
main PWB. Replace the PF main PWB.
(See page 1-4-4)
Device damage
of EEPROM.
1930 Paper feeder 4 EEPROM error
When writing the data, the write data
and the read data is not in agree-
ment.
Defective PF
main PWB. Replace the PF main PWB.
(See page 1-4-4)
Device damage
of EEPROM.
Code Contents Causes
Check procedures/
corrective measures