2PX/2PY
1-4-24
7404
Developing unit Y non-
installing error
No density detection signal is
output from toner sensor Y in
developing unit Y.
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.
Developing unit Y and Drum relay PWB
(YC13)
Drum relay PWB (YC1) and engine PWB
(YC34)
Defective toner
sensor Y.
Replace the developing unit Y (see page 1-
5-19).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-27).
7411
Drum unit K non- installing
error
The EEPROM of drum PWB K
does not communicate nor-
mally.
Installation of
incompatible drum
unit K.
Install drum unit K compatible with the spec-
ifications to the machine.
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.
Drum unit K and Drum relay PWB (YC2)
Drum relay PWB (YC1) and engine PWB
(YC34)
Defective drum
PWB K.
Replace the drum unit K (see page 1-5-21).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-27).
7412
Drum unit C non- installing
error
The EEPROM of drum PWB
C does not communicate nor-
mally.
Installation of
incompatible drum
unit C.
Install drum unit C compatible with the spec-
ifications to the machine.
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.
Drum unit C and Drum relay PWB (YC4)
Drum relay PWB (YC1) and engine PWB
(YC34)
Defective drum
PWB C.
Replace the drum unit C (see page 1-5-21).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-27).
Code
Contents
Causes
Check procedures/
corrective measures
Summary of Contents for 6026
Page 4: ...This page is intentionally left blank ...
Page 10: ...This page is intentionally left blank ...
Page 134: ...2PX 2PY 1 3 96 This page is intentionally left blank ...
Page 237: ...2PX 2PY 1 5 51 9 Remove the scanner unit Figure 1 5 78 Scanner unit ...
Page 275: ...2PX 2PY 1 5 89 4 Remove the paper conveying unit Figure 1 5 145 Paper conveying unit 1 2 2 ...
Page 280: ...2PX 2PY 1 5 94 This page is intentionally left blank ...
Page 323: ...2PX 2PY 2 2 10 This page is intentionally left blank ...
Page 371: ...1 1 INSTALLATION GUIDE INSTALLATION GUIDE FOR Card Authentication Kit D ...
Page 372: ...1 2 3 4 5 a a c CARD READER CARD READER HOLDER D b ...
Page 373: ...10 b c 6 8 9 7 ...
Page 375: ......