Canon NP6218 Service Manual page 278

CHAPTER 10 TROUBLESHOOTING
Item
Function
No. 301 Automatic lamp
intensity adjustment
for AE scans
No. 302 Copy density
(development bias)
reference point
adjustment for AE
mode
No. 303 Copy density
(development bias)
slope adjustment for
AE mode
10-14
Lighter
Copy
density 5
Darker
Lighter
Copy
density 5
Darker
Lighter
Copy
density 5
Darker
Table 10-201
COPYRIGHT © 1997 CANON INC.
Description
9
Test Chart Density of
original
9
Density of
Test Chart
original
9
News- Density of
Test Chart
paper original
CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Remarks\
The lamp intensity
is automatically
adjusted so that the
copies of the Test
Chart will be made
at density 5.
A lower setting in
service mode causes
the AE copies to be
darker.
A higher settings
in service mode
causes the AE copies
to be lighter.
default: 0
range: –26 to +26
After adjustment with
the test sheet NA-3,
using AE mode,
density adjustment
should show '5'.
In non-AE mode,
density '5' must also
be apprppriate
(adjusted with knob
VR302).
A higher setting
in service mode
causes copies of a
newspaper to be
lighter.
A lower setting
in service mode
causes copies of a
newspaper to be
darker.
default: 0
range: –26 to +26