2NP
1-3-157
U470
Setting: [System]
1. Select the item to be set.
2. Change the setting value using the +/- keys or numeric keys.
3. Press the start key. The value is set.
Supplement
While this maintenance item is being executed, copying from an original is available in interrupt
copying mode (which is activated by pressing the system menu key).
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
U473
Adjusting laser power output
Description
Adjusts the laser output power for each color.
Purpose
Enter the exposure density correction data after replacing the laser scanner unit.
Setting
1. Press the start key.
2. Select the item to be set.
3. Change the setting value using the cursor left/right keys or numeric keys.
4. Press the start key. The value is set.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Item No.
Description
Display
Description
Setting
range
Initial
setting
Y
Compression ratio of brightness
1 to 100
90
CbCr
Compression ratio of color differential
1 to 100
90
Display
Description
C
Setting the LSU laser power (Cyan)
M
Setting the LSU laser power (Magenta)
Y
Setting the LSU laser power (Yellow)
K
Setting the LSU laser power (Black)
Summary of Contents for TASKalfa 2551ci
Page 1: ...SERVICE MANUAL Published in September 2016 842NP11A 2NPSM06A Rev A TASKalfa 2551ci ...
Page 10: ...This page is intentionally left blank ...
Page 97: ...2NP 1 1 2 74 This page is intentionally left blank ...
Page 259: ...2NP 1 3 162 U486 Details on the modes Figure 1 3 47 Item No Description ...
Page 473: ...2NP 1 5 62 This page is intentionally left blank ...
Page 497: ...2NP 2 1 22 This page is intentionally left blank ...
Page 555: ...2NP 2 3 48 This page is intentionally left blank ...
Page 584: ...Installation Guide DP 770 B Document processor DP 772 Document processor Installation Guide ...
Page 620: ...DP 773 Document processor Installation Guide ...
Page 646: ...PF 791 500 x 2 Paper feeder Installation Guide ...
Page 654: ...PF 810 3000 sheets deck Installation Guide ...
Page 667: ...DF 770 D Document finisher Installation Guide ...
Page 685: ...AK 740 Bridge unit Installation Guide ...
Page 687: ...PH 7A C D Punch unit Installation Guide ...
Page 708: ...DT 730 B Document tray Installation Guide ...
Page 710: ...5 2013 5 302LC56750 01 H F G D D 6 4 3 7 E C D D M4 8 M4 8 M4 8 M4 8 ...
Page 711: ...FAX System W B Installation Guide ...