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2KN/2KP
1-4-31
C0640
Hard disk problem
• The hard disk cannot be accessed.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC11 on
the engine PWB and the hard disk, and the
continuity across the connector terminals.
Repair or replace if necessary.
Defective hard
disk.
Run U906 (Resetting partial operation con-
trol) to cancel partial operation control.
Run U024 (HDD formatting) without turning
the power off to initialize the hard disk.
Replace the hard disk drive and check for
correct operation if the problem is still
detected after initialization.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation.
Defective cable.
Replace cable of the hard disk.
C0700
Side feeder* EEPROM error
• An error occurs in EEPROM (U4) data
read or write for the side feeder main
PWB.
Defective side
feeder main PWB.
Replace the side feeder main PWB.
C0750
Document finisher* EEPROM error
• A backup memory error is received in
serial communication data from the fin-
isher.
Defective optional
document finisher.
Replace the document finisher with another
unit and check the operation. If the operation
is normal, replace or repair the document
finisher (see the service manual for the doc-
ument finisher).
C0760
Punch unit* EEPROM error
• An error occurs in EEPROM data read
or write for the punch PWB.
Defective punch
PWB.
Replace the punch PWB.
C0770
Centerfold unit* EEPROM error
• An error occurs in EEPROM data read
or write for the centerfold unit main
PWB.
Defective center-
fold unit main
PWB.
Replace the centerfold unit main PWB.
C0800
Image processing problem
• JAM05 is detected twice.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation.
C0960
Developing unit EEPROM error
• An error occurs in EEPROM data read
or write for the developing unit.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC5 on
the engine PWB and the developing unit,
and the continuity across the connector ter-
minals. Repair or replace if necessary.
Defective engine
PWB.
Replace the engine PWB.
Defective develop-
ing unit.
Replace the developing unit (see page 1-5-
48).
C0970
Cleaning unit EEPROM error
• An error occurs in EEPROM data read
or write for the cleaning unit.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC5 on
the engine PWB and the cleaning unit, and
the continuity across the connector termi-
nals. Repair or replace if necessary.
Defective engine
PWB.
Replace the engine PWB.
Defective cleaning
unit.
Replace the cleaning unit (see page 1-5-54).
Code
Contents
Remarks
Causes
Check procedures/corrective measures
Содержание TASKalfa 620
Страница 1: ...SERVICE MANUAL Published in August 2009 842KP112 2KPSM062 Rev 2 TASKalfa 620 820 ...
Страница 4: ...This page is intentionally left blank ...
Страница 10: ...This page is intentionally left blank ...
Страница 144: ...2KN 2KP 1 3 106 This page is intentionally left blank ...
Страница 308: ...2KN 2KP 1 5 88 This page is intentionally left blank ...
Страница 412: ...2KN 2KP 2 3 60 This page is intentionally left blank ...
Страница 435: ...1 1 INSTALLATION GUIDE INSTALLATION GUIDE FOR SIDE FEEDER ...
Страница 442: ...INSTALLATION GUIDE FOR LARGE SIZE SIDE FEEDER ...
Страница 460: ...INSTALLATION GUIDE FOR DOCUMENT FINISHER ...
Страница 475: ...INSTALLATION GUIDE FOR CENTERFOLD UNIT ...
Страница 490: ...INSTALLATION GUIDE FOR MULTI JOB TRAY ...
Страница 501: ...INSTALLATION GUIDE FOR PUNCH UNIT ...
Страница 512: ...INSTALLATION GUIDE FOR STOPPER GUIDE ...
Страница 515: ...INSTALLATION GUIDE FOR PRINTING SYSTEM ...
Страница 518: ...INSTALLATION GUIDE FOR SCAN SYSTEM ...
Страница 520: ......
Страница 521: ......