Canon GP335 Service Manual page 613

<DENS>
Level 3
DZ-DENS Generates a print pattern for photo mode density auto
adjustment. Photo mode uses binary method under a dither
method, requiring the execution of density adjustment.
1) Select <DZ-DENS> to highlight, and press the Start key.
2) Check that a 15-gradation print pattern (with white
DZ-ME Executes density auto adjustment for photo mode by
reading the DZ-DENS output.
1) Place the DZ-DENS output on the copyboard as
• Place it so that its printed side faces down.
• Place it so that the whiter lighter side of the 15
• Place it with reference to the V marking in the rear left
2) Select <DZ-ME> to highlight; then, press the OK key.
• OK is indicated to show that the execution ended
• If NG, perform "If PD-ME/DZ-ME is NG" on p. 14-27
COPYRIGHT © 1999 CANON INC. CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Description
Operation
patches) is generated. Keep the pattern for the execution
of <DZ-ME>.
follows:
gradations is toward the vertical size plate.
of the copyboard glass.
DZ-DENS output
The scanning lamp turns on and off 13 times.
successfully.
CHAPTER 14 TROUBLESHOOTING
In practice, place the
printed side down.
FUNCTION
Remarks
14-195