Canon MF735C Series Service Manual page 214

PG TYPE Pattern
TYPE
dation
13 For checking
ghost due to
transfer failure
14 For checking the
density patch
15 For checking
transfer
20 For R&D use
21 For checking de-
veloping perform-
ance (white spots)
22 For checking res-
olution
23 For checking
banding image
24 4 colors (land-
scape)
25 4 colors (portrait)
26 For calibrating
color difference
between the front
and back sides
with DADF (1-
path model)
Follow the procedure shown below to output the test print.
1. Select the following service mode.
TESTMODE > PRINT > PG-TYPE
2. Enter the type number of the test print using the numeric keypad, and press the [Apply] key.
NOTE:
If necessary, change the settings for test print in the following service mode.
If the settings are not changed, a test print will be executed with the initial values of service mode settings.
• Setting of the number of output sheets:
TESTMODE > PRINT > COUNT
• Setting of 1-sided/2-sided printing:
TESTMODE > PRINT > PHASE
• Setting of the image formation method:
TESTMODE > PRINT > MODE
• Setting of the image correction table:
TESTMODE > PRINT > THRU
• Setting of ON/OFF of the laser scanning interpolation process:
TESTMODE > PRINT > NRKE
• Setting of ON/OFF of the test print interpolation process:
TESTMODE > PRINT > BLND
• Setting of the paper source used when outputting a test print:
TESTMODE > PRINT > FEED
3. Execute the following service mode to output a test print.
TESTMODE > PRINT > START
Gra- Fog- Trans Black
ging fer line
Fault (Color
line)
Yes
Yes
Yes
Yes
Yes Yes
Yes Yes
Image check items
White Un- Un- Right
line even even Angle
Den- Den-
sity sity at
the
Front /
Rea
Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
205
7. Troubleshooting
Straig Color Color Ghost Den-
ht dis-
Lines place-
ment
Yes
White
sity spots
Yes
Yes