Canon imageRUNNER 2520 Series, Service Manual, Page: 198 / 402

Test Print
Overview
This machine have the following test print TYPE and you can judge the image failure that is checked as “Yes” in the following
image check items with each test print.
If the image failure occurred on normal output does not reappear on the test print, it may be caused by the PDL input or reader
side.
Select the test print TYPE
NO. TYPE Pattern Items
Grada-
tion
Fogging Transfer
Fault
Black
line
White
line
Uneven
Density Uneven
Density
at the
Front/
Rear
Right An-
gle
Straight
Lines
SELECT
NO.01 Grid Yes Yes
SELECT
NO.02 Half-tone Yes Yes Yes Yes Yes
SELECT
NO.03 All-black Yes Yes Yes Yes
SELECT
NO.04 ---(For R&D) Yes
SELECT
NO.05 ---(For R&D)
SELECT
NO.06 4dot-6space (ver-
tical) Yes
SELECT
NO.07 4dot-6space (hori-
zontal) Yes Yes Yes
SELECT
NO.08 ---(For R&D)
SELECT
NO.09 16 gray levels
(monochromatic) Yes Yes
Procedure
1. Enter the PG number with numeric keys, then press the START key.
2. Select single-sided (SGL: 0) or double-sided (DBL: 1), then press the START key.
3. Enter the number of prints to be output (PG COUNT), then press the START key.
4. Specify the paper drawer (main unit), then press the START key.
Main unit cassette (ST_C: 0), 2nd cassette (OP_C: 1), Manual feed tray (MLT: 2)
5. Specify the paper eject slot, then press the START key.
Tray 1 (1_OUT: 0), Tray2 (2_OUT: 1)
6. Select a paper type, then press the OK key.
Plain paper (PLN: 0), Thick paper (TCK: 1),Thin paper (OHP: 2)
7. A test pattern is output.
6. Troubleshooting
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