2LV/2L1/2L2/2MS/2MT
1-4-22
7410
Drum unit type mismatch
error
The drum PWB EEPROM
does not communicate
normally.
Absence of the drum unit
is detected.
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 and drum connect PWB (YC1)
Drum connect PWB and relay-L PWB (YC3)
Relay-L PWB and engine PWB (YC2)
Defective toner
sensor.
Replace the drum unit.
(See Page 1-5-13)
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-22).
7800
Broken external thermistor
wire
The average of thermistor out-
put value of 1016 or more
continuously for 160 ms.
The average of thermistor out-
put value of 930 or more con-
tinuously for 5 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.
Operation PWB and engine PWB (YC17)
Defective tempera-
ture sensor.
Replace the operation PWB.
7810
Short-circuited external
thermistor wire
The average of thermistor out-
put value of 31 or less contin-
uously for 5 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.
Operation PWB and engine PWB (YC17)
Defective tempera-
ture sensor.
Replace the operation PWB.
7900
Drum unit EEPROM error
No response is issued from
the device in reading/writing
for 5 ms or more and this
problem is repeated five times
successively.
Mismatch of reading data from
two locations occurs eight
times successively.
Mismatch between writing
data and reading data occurs
eight times successively.
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 and drum connect PWB (YC1)
Drum connect PWB and relay-L PWB (YC3)
Relay-L PWB and engine PWB (YC15)
Defective drum
unit.
Replace the drum unit (see 1-5-15).
Code
Contents
Causes
Check procedures/
corrective measures
Summary of Contents for P-4030D
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Page 15: ...2LV 2L1 2L2 2MS 2MT This page is intentionally left blank ...
Page 25: ...2LV 2L1 2L2 2MS 2MT 1 1 10 This page is intentionally left blank ...
Page 63: ...2LV 2L1 2L2 2MS 2MT 1 3 24 This page is intentionally left blank ...
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Page 130: ...2LV 2L1 2L2 2MS 2MT 1 5 32 This page is intentionally left blank ...
Page 147: ...2LV 2L1 2L2 2MS 2MT 2 1 14 This page is intentionally left blank ...
Page 175: ...2LV 2L1 2L2 2MS 2MT 2 3 20 This page is intentionally left blank ...
Page 200: ...Installation Guide 500 sheets paper feeder Installation Guide ...
Page 202: ...㟝㫴G㤵㣠 㟝㫴G㤵㣠 㦹㢨G㣰G㥐ᶤ 㦹㢨G㣰G㥐ᶤ ...
Page 203: ...2000 sheets bulk paper feeder Installation Guide ...
Page 205: ...1 2 3 4 1 2 3 1mm 용지 적재 용지 적재 PF 315 종이 잼 제거 종이 잼 제거 양면 장치 양면 장치 ...
Page 206: ...SSD HD 6 Installation Guide ...
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Page 209: ...IEEE1284 Interface Installation Guide ...
Page 212: ...Network interface Installation Guide ...
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Page 216: ...OS ...