2PX/2PY
1-4-23
7004
Toner motor Y error
When the toner motor Y is
driven, the motor over-current
detection signal is detected
continuously for 50 times (5 s)
at 100 ms intervals.
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.
Toner motor Y and engine PWB (YC26)
Defective drive
transmission sys-
tem of the toner
motor Y.
Check if the rollers and gears rotate
smoothly. If not, grease the bushes and
gears. Check for broken gears and replace if
any.
Defective toner
motor Y.
Replace the toner motor Y.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-27).
7401
Developing unit K non-
installing error
No density detection signal is
output from toner sensor K in
developing unit K.
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 K and Drum relay PWB
(YC6)
Drum relay PWB (YC1) and engine PWB
(YC34)
Defective toner
sensor K.
Replace the developing unit K (see page 1-
5-19).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-27).
7402
Developing unit C non-
installing error
No density detection signal is
output from toner sensor C in
developing unit C.
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 C and Drum relay PWB
(YC10)
Drum relay PWB (YC1) and engine PWB
(YC34)
Defective toner
sensor C.
Replace the developing unit C (see page 1-
5-19).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-27).
7403
Developing unit M non-
installing error
No density detection signal is
output from toner sensor M in
developing unit M.
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 M and Drum relay PWB
(YC7)
Drum relay PWB (YC1) and engine PWB
(YC34)
Defective toner
sensor M.
Replace the developing unit M (see page 1-
5-19).
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 ...
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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 ...
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