∗
Necessary condition
1) The scanner section must be clean.
∗
Job content
1) Put an oscilloscope between the check point JP2 (VIN) on the MCU (PCU) PWB and GND.
At that time, trigger with the SH (JP3) signal to see the waveform correctly.
JP2 (VIN)
JP3 (SH)
JP1 (GND)
2) Execute simulation 63-1. (The copy lamp lights up in the scanner
unit home position.)
3) Turn and adjust the volume on the copy lamp drive PWB so that
the CCD output waveform max. value is 4.0
±
0.1 V.
∗
Trouble caused y improper operation
1) E7 (05) trouble
2) E7 (04) trouble
3) E7 (12) trouble
4) E7 (15) trouble
5) Copy exposure cannot be adjusted.
6) Copy exposure abnormality
∗
Preliminary work
JOB No
Content
S 004
Scanner (reading) section cleaning
∗
After-work
JOB No
Content
ADJ M1
Copy exposure adjustment
∗
Necessary tools
Name
Oscilloscope
Parts code/Price rank
—
4.0±0.1V
FO-3800M
7 – 20
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 ...