Canon iR C6800 Series Portable Manual page 78

Chapter 2
system software (R-CON).
2) Make the following selections in service mode, and
press the OK key to initialize the RAM:
C O P I E R > F U N C T I O N > C L E A R > R - C O N .
Thereafter, turn off and then on the main power.
3) Enter the settings for the following items in service
mode:
a. standard white plate white level data
COPIER>ADJUST>CCD>W-PLT-X,Y,Z
820686679349
*
W-PLT-X
W-PLT-Y
F-2-26
b. service label settings (label attached behind reader
unit front cover)
b-1 image read start position adjustment (x direction;
for fixed reading)
COPIER>ADJUST>ADJ-XY>ADJ-X
b-2 image read start position adjustment (Y direction;
fixed reading)
COPIER>ADJUST>ADJ-XY>ADJ-Y
b-3 shading position adjustment (for fixed reading)
COPIER>ADJUST>ADJ-XY>ADJ-S
b-4 feeder mode main scanning position adjustment
COPIER>ADJUST>ADJ-XY>ADJ-Y-DF
b-5 ADF stream reading CCD read position
adjustment
2-24
*
W-PLT-Z
COPIER>ADJUST>ADJ-XY>STRD-POS
b-6 CCD unit-dependent RB/GB sub scanning
direction color displacement correction value
COPIER>ADJUST>CCD>CCDU-RG/GB
b-7 CCD unit-dependent RG/GB sub scanning
direction color displacement value at shipment
COPIER>ADJUST>CCD>FCCDU-RG/GB
b-8 auto gradation adjustment target value
COPIER>ADJUST>PASCAL>OFST-P-Y,M,C,K
2. ADF-Related Adjustments
The machine uses the RAM on its reader
controller to hold ADF-related service data; as such,
you must make the appropriate adjustments for the
ADF whenever you have replaced the reader
controller or initialized the RAM.
1) Enter the settings indicated on the P-PRINT
printout you have previously generated for the
following items:
a. original stop position adjustment
FEEDER>ADJSUT>DOCST
b. original feed speed (magnification) adjustment
FEEDER>ADUST>LA-SPEED
2) Make adjustments using the following items:
a. ADF sensor sensitivity adjustment
FEEDER>FUNCTION>SENS-INT
b. tray width adjustment
AB system: FEEDER>FUNCTION>TRY-A4 and
FEEDER>FUNCTION>TRY-A5R
inch system: FEEDER>FUNCTION>TRY-LTR
and FEEDER>FUNCTION>TRY-LTRR
c. white level adjustment
COPIER>FUNCTION>CCD>DF-WLVL1
COPIER>FUNCTION>CCD>DF-WLVL2
When done, put the P-PRINT printout [1] you have
previously generated in the service book, disposing of
the older printout, if any.