Operation Manual

8-57
Setup and Registration (System Menu) > System Menu
Adjustment/Maintenance
Adjust printing quality and conduct machine maintenance.
* Displayed only when the optional fax kit is installed.
Adjustment/Maintenance
Item Description
Density Adjustment Adjust density.
Copy Adjust copy density. Adjustment can be made in 7 levels.
Value: -3 (Lighter), -2, -1, 0 (Normal), +1, +2, +3 (Darker)
Send/Box Adjust scan density when sending or storing the data in Document Box. Adjustment can be
made in 7 levels.
Value: -3 (Lighter), -2, -1, 0 (Normal), +1, +2, +3 (Darker)
FAX* For details, refer to the FAX Operation Guide .
Background Density Adj. Darkens or lightens overall background density adjustment.
Copy (Auto) Darkens or lightens overall background density adjustment during copying. Adjustment can be
made in 7 levels.
Value: -3 (Lighter), -2, -1, 0 (Normal), +1, +2, +3 (Darker)
Send/Box (Auto) Darkens or lightens overall background density when sending images or storing them in the
Document Box. Adjustment can be made in 7 levels.
Value: -3 (Lighter), -2, -1, 0 (Normal), +1, +2, +3 (Darker)
Drum Refresh Remove image blur and white dots from the image. It takes 331 seconds on TASKalfa 3051ci,
282 seconds on TASKalfa 3551ci, 218 seconds on TASKalfa 4551ci, and 146 seconds on
TASKalfa 5551ci (82.4 °F (28 °C), 70%).
For more information, refer to the Drum Refresh on page 10-42.
NOTE
Drum Refresh cannot be performed while printing. Execute Drum Refresh after the printing is
done.
Correcting Black Lines Correct fine lines (streaks caused by contamination), which may appear on the image, when
the document processor is used.
Value
Off: No correction performed.
On (Low): Correction performed. The reproduction of fine lines on the original may
become lighter than when using [Off].
On (High): Select this item if a streak remains after using [On (Low)]. The reproduction
of fine lines on the original may become lighter than when using [On (Low)].
System Initialization Initialize the hard disk installed on the machine to return it to the factory defaults.
NOTE
This function will not be displayed when the optional Data Security Kit is activated.
Display Brightness Set the brightness of the touch panel.
Value: 1 (Darker), 2, 3, 4 (Lighter)
Silent Mode Make after-printing process run more quietly. Select this mode when the running noise is
uncomfortable.
Value: Off, On
NOTE
When [On] is selected, preparation for the next printing may take longer.
Memory Diagnostics Perform this function to check the machine memory.