2NP
1-3-43
U061
Checking the operation of the exposure lamp
Description
Lights the exposure lamp.
Purpose
To check whether the exposure lamp are turned on.
Method
1. Press the start key.
2. Select the item.
3. Press the start key. The lamp lights.
4. To turn the lamp off, press the stop key.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
U063
Adjusting the shading position
Description
Changes the shading position of the scanner.
Purpose
Used when the white line continue to appear longitudinally on the image after the shading plate is
cleaned.
This is due to flaws or stains inside the shading plate. To prevent this problem, the shading posi-
tion should be changed so that shading is possible without being affected by the flaws or stains.
Setting
1. Press the start key.
2. Select [Position].
3. Change the setting value using the +/- keys or numeric keys.
Increasing the value moves the shading position toward the machine left, and decreasing it
moves the position toward the machine right.
4. 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.
Item No.
Description
Display
Description
CCD
The exposure lamp lights
CIS
The CIS lights (when dual scan DP is installed)
Display
Description
Setting
range
Initial
setting
Change in
value per step
Position
Shading position
0 to 18
0
0.16 mm
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 ...