Canon NP6621, Руководство по обслуживанию

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2–18
STANDARDS AND ADJUSTMENTS
Remarks
The lamp intensity is
automatically adjusted so
that the copies of the
Test Chart will be made
at density 5.
q
A lower setting in
service mode causes
the AE copies to be
darker.
w
A higher settings in
service mode causes
the AE copies to be
lighter.
default: 0
range: –26 to +26
q
A higher setting in
service mode causes
copies of a newspa-
per to be lighter.
w
A lower setting in
service mode causes
copies of a newspa-
per to be darker.
default: 0
range: –26 to +26
Description Item
No. 301
No. 302
No. 303
Function
Automatic lamp
intensity adjustment
for AE scans
Copy density (devel-
opment bias) refer-
ence point adjustment
for AE mode
Copy density (devel-
opment bias) slope
adjustment for AE
mode
Table 2-201
Note: 1. After Adjustment, with test chart NA-3, using AE mode, density adjustment should show ‘5’.
2. In non-AE mode, using NA-3, density ‘5’ must be appropriate (adjusted with VR850).
Test Chart
Density of
original
Lighter
Copy
density 5
Darker
9
q
w
Lighter
Copy
density 5
Darker
Test Chart Density of
original
9
Test Chart
Density of
original
Lighter
Copy
density 5
Darker
9
News-
paper
w
q