Canon GP335 Service Manual page 378

CHAPTER 12 INSTALLATION
2. Auto Density Adjustment
Execute the following items of service mode (under FUNCTION) in sequence:
1) DENS>WHITE-ME
2) DENS>PD-DENS
3) DENS>PD-ME
4) DENS>DZ-DENS
5) DENS>DZ-ME
No.
1 Press the Reset key to end service
mode.
2 While holding the feeder or the
copyboard cover at about 45°,
make two A4 copies (solid black).
3 Start service mode, and select
COPEIR, FUNCTION, and DENS
in order.
4 Place a white sheet of copy paper*
A4 or larger on the copyboard
glass as shown, and close the
feeder or the copyboard cover.
5 Select WHITE-ME on the screen,
and press the OK key.
• The scanner makes a single
scan.
12-20
to read a black sheet of paper.
to read a PD pattern.
to read a PD pattern (OK or NG).
to generate DZ (dither) pattern.
to read a DZ pattern (OK or NG).
Work
COPYRIGHT © 1999 CANON INC. CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
→ 2 and 8 at the same time →
* Must not be for color copiers. Select the whitest of all
used by the user.
Remarks
White paper