Ricoh Aficio FX10, Service Manual

Page: 95 / 284

4.1.17. Image Sensor Signal Check/Sampling Clock Reset (Function 10)
Do the following after replacing the contact image sensor unit or the FCU.
(Also after RAM reset level 1.)
1.
then immediately
FUNCTION KPAD/NEXT
SERVICE FUNCTIONS
2.
0-LAMP 1-ADF
2-BOOK 3-VIDEO
3.
START
VIDEO
4. Press .
STOP
VD AAA BBB CDE FGH
Four numbers are displayed on the bottom line of the LCD.
•
AAA: Sensor output while scanning (lamp on) the white shading sheet.
•
BBB: Sensor output while scanning (lamp on) the black sheet on the
exposure glass.
•
C: Not used (always 0).
•
D: Scanner data offset value.
•
E: Selected scanner clock (scanner sampling clock).
•
FGH: Result (error code).
Result Error Details
000
OK
001
002 BBB is out of the specified range
003 AAA is out of the specified range
004
D is out of the specified range.
5. To stop the test:
6. Finish:
SERVICE TABLES AND PROCEDURES June 10th, 1997
SERVICE LEVEL FUNCTIONS
4-10