Canon imageRUNNER ADVANCE 4551i Service Manual page 349

PG Pattern
TYPE
Grada-
tion
10 Horizon-
tal line (2
dots, 3
spaces)
11 Halftone
(density:
60H, Tbic
rank 2,
without
image
correc-
tion)
12 Halftone
(density:
60H, 134-
line
screen or
141-line
screen,
without
image
correc-
tion)
13 Halftone
(density:
30H, Tbic
rank 2,
without
image
correc-
tion)
14 Halftone
(density:
30H, 134-
line
screen or
141-line
screen,
without
image
correc-
tion)
15 15 to 50:
For de-
velop-
ment
NOTE:
When outputting a halftone test print, be sure to use PG TYPE:6 except in the following cases.
1. When checking the image of side registration adjustment, use PG TYPE:11.
2. When the setting value of the following service mode is "2" (TBIC is used for both the photo part and the text part), use PG
TYPE:5.
COPIER > OPTION > USER > PH-D-SL2
Fog- Trans- Black White
ging fer fail- line
ure
Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Image check item
Un- Un- Right
line even even angle
pitch density accu-
(rear/
front) Straigh
accu-
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
336
6. Troubleshooting
Side Shock Magni-
regis-
tration tion ra-
racy
t line
racy
Yes Yes
Yes
Yes
Yes
PCB to
gener-
ate PG
fica-
tio
Main
Control-
ler PCB
Main
Control-
ler PCB
Main
Control-
ler PCB
Main
Control-
ler PCB
Main
Control-
ler PCB
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