No
C6
BASIC CAUSE 1
1) CCD level output recognition error during shading correction
2) Abnormally low or high CCD output level
CASE 1
No
TROUBLE POSITION
CAUSE
Scanner (reading) optical system does not transmit images (light) normally
1) Scanner (reading) optical system dirt
2) Scanner (reading) optical parts installing position shift
REMEDY
(Check)
1) Scanner (reading) optical system dirt
2) Scanner (reading) optical parts installing position adjustment
(CCD unit, lens, mirror, copy lamp, copy lamp light quantity sensor, shading correction sheet)
(Remedy)
1) Scanner (reading) optical system cleaning
2) Scanner (reading) optical parts installing position adjustment
(CCD unit, lens, mirror, copy lamp, copy lamp light quantity sensor, shading correction sheet)
(After work)
1) Copy density adjustment
NOTE
CASE 2
No
TROUBLE POSITION
CAUSE
CCD level output recognition error during shading correction
1) CCD unit trouble
2) MCU PWB image signal (CCD) input circuit trouble
REMEDY
(Check)
1) CCD unit output
2) MCU PWB image signal (CCD) input circuit
(Remedy)
1) CCD unit replacement
2) MCU PWB replacement
(After work)
1) When the MCU PWB is replaced, perform simulations to input various set values and
adjustment values.
NOTE
CASE 3
No
TROUBLE POSITION
CAUSE
Copy lamp light quantity abnormality
1) Copy lamp trouble
2) Copy lamp control PWB trouble
3) Copy lamp light quantity adjustment trouble
REMEDY
(Check)
1) Copy lamp
2) Copy lamp control PWB
3) Copy lamp light quantity level
(Remedy)
1) Copy lamp replacement
2) Copy lamp control PWB replacement
3) Copy lamp light quantity level adjustment
(After work)
1) Copy density adjustment
NOTE
SELF DIAG CODE MESSAGE
E7
No
C7
PHENOMENON
DISPLAY
CODE
MAIN CODE
E7
SUB CODE
14
LAMP
TITLE
ASIC (MCU PWB) trouble
DETAIL
ASIC (MCU PWB) malfunction
SECTION
MCU PWB
ITEM
TYPE (MODE)
User
Warning
Service
YES
Trouble
YES
Other
Other
OPERATION MODE
All modes
Machine operation when the
message is displayed
Stop
NOTE
FO-3800M
10 – 8
Содержание FO-3800M
Страница 115: ...S001 P001 S001 P007 CLN S001 P003 S001 P005 S001 P002 S001 P006 S001 P004 CLN FO 3800M 9 4 ...
Страница 142: ...S009 Ua002 S009 Ua003 S009 Ua004 S009 Ua005 S009 Ua006 S009 Ua001 S009 Ua001 002 S009 Ua001 001 FO 3800M 9 31 ...
Страница 174: ...SMP1 SMP2 FO 3800M 10 25 ...
Страница 175: ...SMP3 SMP4 FO 3800M 10 26 ...
Страница 176: ...SMP5 SMP6 a b D FO 3800M 10 27 ...
Страница 177: ...SMP7 SMP8 FO 3800M 10 28 ...
Страница 178: ...SMP9 SMP10 SMP11 Streaks and dots in the pitch of about 78mm Streaks and dots in the pitch of about 45mm FO 3800M 10 29 ...