Scan Test; Scan Test ((2) Scan Test); Print Test; Print Test ((3) Print Test) - Canon LASER CLASS 810 Service Manual

16.16.3 Scan Test

16.16.3.1 Scan Test ((2) SCAN TEST)

Scan test ((2) SCAN TEST)
Press the numeric keypad key 2 on the test mode menu to select the CCD test.
Press numeric keypad keys 1 and 4 during the CCD test to carry out the individual tests described below.
Numeric keypad key 1
Corrects the LED output of the contact sensor and sets its parameters automatically. (AGC adjustment)
Numeric keypad key 4 (CIS shift type only)
Detects trash at reader scan positions A/B/C.
Pos A: Reference read position
Pos B: About 0.5 mm inside of the roller from the reference position
Pos C: About 1.0 mm inside of the roller from the reference position

16.16.4 Print Test

16.16.4.1 Print Test ((3) PRINT TEST)

Print test ((3) PRINT TEST)
Press the numeric keypad key 3 on the test mode menu to select the print test.
Press numeric keypad keys 2 and 4 during the print test to generate test patterns as described below. Two kinds of service test patterns are available. Other test
patterns are reserved for factory/development purposes.
Numeric keypad key 2
(2) BLACK: All-black output
Numeric keypad key 4
(4) ENDURANCE: Black belt output
To cancel test printing, press the stop key.
D-RAM TEST 30208KB
[1] - [2]
D-RAM TEST 30208KB
D-RAM TEST 30208KB
Use it to make sure that the print
pattern does not have white lines
or uneven image.
D-RAM TEST 30208KB
complete (no error)
WRT= 33CC RD= 33EC
ADR= BF840201
D-RAM TEST 30208KB
complete (error)
F-16-14
Use it to make sure that the print
pattern does not have contraction/
elongation of an image or dirt/black
line.s
F-16-15
Chapter 16
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