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2DC
Maintenance
item No.
U088
Setting the input filter (moiré reduction mode)
Description
Turns moiré reduction mode on and off by switching the input filter on and off.
Purpose
Used to prevent regular density unevenness (moiré) on halftone image areas of the copy image in text mode
and text and photo mode. Such moiré is more likely to appear when an enlargement or reduction copy is made
in text mode from an original containing large halftone image areas.
Method
Press the start key.
Setting
1. Select "on" or "oFF" using the zoom +/– keys.
Display
on
oFF
Initial setting: oFF
If moiré on the copy image is significant, change the setting to "on". Note that when the moiré reduction
mode is turned on, the resolution may be slightly reduced.
2. Press the start key. The value is set. The indication for selecting a maintenance item No. appears.
Completion
To exit this maintenance item without changing the current setting, press the stop/clear key. The indication for
selecting a maintenance item No. appears.
U089
Outputting a MIP-PG pattern
Description
Selects and outputs a MIP-PG pattern created in the copier.
Purpose
When performing respective image printing adjustments, used to check the machine status apart from that of
the scanner with a non-scanned output MIP-PG pattern.
Method
1. Press the start key.
2. Select the MIP-PG pattern to be output using the copy exposure adjustment keys.
Display
G-S
0
FFL
1-d
3. Press the program key. The machine enters the PG pattern output mode.
4. Press the start key. A MIP-PG pattern is output.
Completion
Press the stop/clear key. The indication for selecting a maintenance item No. appears.
1-4-12
Description
Description
Moiré reduction mode
Normal copy mode
Setting
Gray scale
Mono level
256 level
1-dot level
Setting range
-
0 to 255
-
-
Initial setting
-
0
-
-
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