Unit installation

AR-C330 SELF DIAG MESSAGE AND TROUBLESHOOTING 10 - 11
Main
code
Sub
code
Title
Shading trouble (Black correction)
E7 10 Phenomena Display Lamp
Message
Detail In shading correction, the
CCD black reading level is
abnormal (with the scanner
lamp OFF).
Section Scanner (reading) / ICU
SCAN PWB
Operation
mode
Warm-up / Initialize
Note
Case 1 Trouble
position/
cause
Bad connection between
the CCD unit and the ICU
SCAN PWB
Remedy (Check) Check connection
of the flat cable between the
CCD unit and the ICU
SCAN PWB.
(Repair) Replace the flat
cable between the CCD unit
and the ICU SCAN PWB. /
Power Source-ON
(After-work)
Case 2 Trouble
position/
cause
CCD unit trouble
Remedy (Check) Check the CCD
black offset level (SIM 46-
6). / Check the shading
correction result (SIM 63-1).
(Repair) Replace the CCD
unit. / Power Source-ON
(After-work) Adjust
ADJM17-ADJ1.
Case 3 Trouble
position/
cause
ICU SCAN PWB, ICU
IMAGE PWB, ICU MAIN
PWB trouble
Remedy (Check)
(Repair) Replace ICU
SCAN PWB, ICU IMAGE
PWB, ICU MAIN PWB. /
Power Source-ON
(After-work) Adjust ADJM9/
M10/M12/M13/M14/M15/
M17. / Re-enter setup
values and adjustment
values. (Install the
EEPROM of the defective
ICU MAIN PWB to a new
ICU MAIN PWB.)
Main
code
Sub
code
Title
Shading trouble (White correction)
E7 11 Phenomena Display Lamp
Message
Detail In shading correction, the
CCD white reading level is
abnormal (with the scanner
lamp OFF).
Section Scanner (reading) / ICU
SCAN PWB
Operation
mode
Warm-up / Initialize
Note
E7 11 Case 1 Trouble
position/
cause
Bad connection of the flat
cable between the CCD unit
and the ICU SCAN PWB.
Remedy (Check) Check connection
of the flat cable between the
CCD unit and the ICU
SCAN PWB.
(Repair) Replace the flat
cable between the CCD unit
and the ICU SCAN PWB. /
Power Source-ON
(After-work)
Case 2 Trouble
position/
cause
CCD unit trouble
Remedy (Check) CCD black offset
level check (SIM 46-6)
(Repair) Replace the CCD
unit. / Power Source-ON
(After-work) Adjust
ADJM17-ADJ1.
Case 3 Trouble
position/
cause
ICU SCAN PWB, ICU
IMAGE PWB, ICU MAIN
PWB trouble
Remedy (Check)
(Repair) ICU SCAN PWB,
ICU IMAGE PWB, ICU
MAIN PWB. / Power
Source-ON
(After-work) Adjust ADJM9/
M10/M12/M13/M14/M15/
M17. / Re-enter setup
values and adjustment
values. (Install the
EEPROM of the defective
ICU MAIN PWB to a new
ICU MAIN PWB.)
Case 4 Trouble
position/
cause
Scanner section dirt
(Shading sheet trouble (dirt,
scratch)/Lens dirt/Mirror
dirt/Reflector dirt)
Remedy (Check) Scanner section
dirt check
(Repair) Clean the scanner
section (shading sheet/lens/
CCD/mirror/reflector)./
Power Source-ON
(After-work)
Case 5 Trouble
position/
cause
Scanner lamp insufficient
light quantity (Scanner lamp
trouble/scanner lamp
control PWB trouble)
Remedy (Check) Check the scanner
lamp applying voltage
(62.3V).
(Repair) Replace the
scanner lamp. / Replace the
scanner lamp control PWB.
/ Power Source-ON
(After-work) Adjust
ADJM17-ADJ1.
Main
code
Sub
code
Title
Shading trouble (White correction)