Canon iR4570 Series Service Manual page 624

service data in its reader controller RAM. As such, if you have replaced the reader controller or initialized the
RAM, you will also have to make ADF-related adjustments.
1) Enter the following values by referring to the values indicated on the P-PRINT page you have previously printed
out.
a. main scanning direction position adjustment (for stream reading)
COPIER>ADJSUT>ADJ-XY>ADJ-Y-DF
b. original stop position adjustment
FEEDER>ADJSUT>DOCST
c. original feed speed (magnification) adjustment
FEEDER>ADUST>LA-SPEED
2) Make adjustments using the following service mode items:
a. Tray Width Adjustment
FEEDER>FUNCTION>TRY-A4
FEEDER>FUNCTION>TRY-A5R
FEEDER>FUNCTION>TRY-LTR
FEEDER>FUNCTION>TRY-LTRR
b. CIS Read Position Adjustment (for stream reading)
COPIER>FUNCTION>INSTALL>STRD-POS
c. White Level Adjustment
COPIER>FUNCTION>CCD>DF-WLVL1
COPIER>FUNCTION>CCD>DF-WLVL2
When you have made all the foregoing adjustments, put the P-PRINT page [1] in the service book case, and dispose
of the previous printout.
F-13-22