2K5
1-4-29
C7910
Developing unit EEPROM error
Reading from or writing to EEPROM
cannot be performed.
Poor contact in the
connector termi-
nals.
Check the connection of connector on the
engine PWB and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective develop-
ing unit.
Replace the developing unit.
C8030
Tray upper limit detection problem
(optional document finisher)
When the tray elevation motor raises a
tray, the ON status of the tray upper limit
sensor is detected.
The tray upper limit
sensor, paper sur-
face sensor 1/2
connector makes
poor contact.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective tray
upper limit sensor,
paper surface sen-
sor 1/2.
Replace the sensor.
Defective finisher
main PWB.
Replace the finisher main PWB and check
for correct operation.
C8040
Belt problem (optional document fin-
isher)
The belt sensor does not turn on/off
within specified time of the belt solenoid
turning on.
The belt sensor,
belt solenoid con-
nector makes poor
contact.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective belt sen-
sor.
Replace the belt sensor.
Defective belt sole-
noid.
Replace the belt solenoid.
Defective finisher
main PWB.
Replace the finisher main PWB and check
for correct operation.
C8140
Tray elevation motor problem
(optional document finisher)
The tray low limit sensor or paper sur-
face sensor 1/2 cannot be detected to be
on within 10 s since the tray elevation
motor is activated.
The tray elevation
motor connector
makes poor con-
tact.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
The tray elevation
motor malfunc-
tions.
Replace the tray elevation motor.
The tray lower limit
sensor, paper sur-
face sensor 1/2
connector makes
poor contact.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective tray
lower limit sensor,
paper surface sen-
sor 1/2.
Replace the sensor.
Defective finisher
main PWB.
Replace the finisher main PWB and check
for correct operation.
Code
Contents
Remarks
Causes
Check procedures/corrective measures
Summary of Contents for TASKALFA 300I
Page 1: ...SERVICE MANUAL Published in February 2010 842K5111 2K5SM061 Rev 1 TASKalfa 300i ...
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Page 14: ...2K5 This page is intentionally left blank ...
Page 22: ...2K5 1 1 8 This page is intentionally left blank ...
Page 196: ...2K5 1 4 52 This page is intentionally left blank ...
Page 252: ...2K5 1 5 56 This page is intentionally left blank ...
Page 274: ...2K5 2 1 20 This page is intentionally left blank ...
Page 310: ...2K5 2 3 28 This page is intentionally left blank ...
Page 347: ...INSTALLATION GUIDE FOR PAPER FEEDER ...
Page 369: ...INSTALLATION GUIDE FOR BUILT IN FINISHER ...
Page 381: ...INSTALLATION GUIDE FOR JOB SEPARATOR ...
Page 391: ...INSTALLATION GUIDE FOR FAX System ...
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