Canon GP215 Service Manual page 266

3. OPERATIONS AND TIMING
5. 200PWM Density Auto Correction
• You must execute this mode in combination with PD density auto correction and 600PWM density auto
correction.
Item
200PWM density auto correc-
tion
3–212
COPYRIGHT © 1996 CANON INC.
*4* FUNCTION 05 – > ( )
200PWM PRINT (START)
WHITE MEASURE (OK)
DENSITY SAMPLING (OK)
DATA SET
A=+xxx, B=+xxx, D=+xxx
xx xx xx xx xx xx xx
xx xx xx xx xx xx xx
MULTI 0
>CASSETTE1
CASSETTE 2
1) Press '200PWM PRIT' to highlight, and press the
Copy Start key.
• A 15-gradation test pattern will be generated.
2) Place a black sheet of paper (whitest of all used
by the user; no color copy paper allowed) on the
copyboard glass; press 'WHITE MEASURE' to
highlight, and press the OK key.
• The scanner makes a single scan.
3) Replace the paper with the test pattern generated
previously; press 'DENSITY MEAUSRE' to high-
light, and press the OK key.
Printed side down
4) Check the value of A, B, and D.
Insert
5) If the values are as indicated, press 'DATA SET'
to highlight, and press the OK key.
CANON GP215/200 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
CANCEL
JUMP
A4 1
A4 1
+
–
OK
Description Reference
page
Service
handbook
p.2-21.