Test Prints; Selecting A Test Pattern - Canon 1000 Service Manual

7. TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
C. Test Prints
The CLC1000 possesses nine types of test
print patterns, enabling identification of an error in
reference to each test print pattern.
If a fault on a copy made normally does not ap-
pear on a test print, you may suspect the original
exposure system, CCD, analog processor, or im-
age processor.

1. Selecting a Test Pattern

1) Set the copy count and paper size.
2) Start service mode. (
3) Press 'TEST' .
4) Select 'PG → TYPE' .
5) Enter the appropriate PG number using the
keypad.
6) Set the color mode.
• 'COLOR-Y/M/C/K=1' selects a color.
*Effective when 'PGTYPE=2, 3, 4, 5, or 6.
7) Set the density of the test print*.
• Set the density using the 'DENS-Y/M/C/K'
key.
*Effective when 'PGTYPE=5' .
8) Press the Start key.
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COPYRIGHT © 2001 CANON INC.
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CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Be sure to return the setting of
'PGTYPE' to '0' when you have fin-
ished checks using test prints.
PGTYPE
0 Image from CCD (regular copying)
1 For R&D
2 256 colors
3 256 gradations
4 17 gradations
5 Total halftone page
6 Grid
7 For image position correction
8 For R&D
9 For R&D
10 MCYBk horizontal stripe (laser FF
activation)
11 For R&D
12 For R&D
13 For R&D
14 Full color in 17 gradations
15 Not used
16 Not used
17 For R&D
18 For R&D
19 For R&D
20 For R&D
21 For R&D
22 For R&D
Table 7-301
Description