IBM 1585 (MT 4539) User Manual page 105

The Quality menu operator panel options can be adjusted to help improve print quality.
Menu selection Purpose
Print Resolution To select printed output resolution
Toner Darkness Lightens or darkens printed output and
conserves toner
Brightness Adjusts the gray value of printed
objects
Contrast Adjusts the contrast of printed objects
In addition, the Enhance Fine Lines and Gray Correction options can be enabled to improve print quality. These settings are
available on the driver and on the printer Embedded Web Server (EWS) interface. For more information about these
options, see the driver help.
Driver option Purpose
Enhance Fine Lines A selection to enable a print mode
preferable for certain files containing
fine line detail, such as architectural
drawings, maps, electronic circuit
diagrams and flow charts
Gray Correction Automatically adjusts the contrast
enhancement applied to images
†
Values marked by an asterisk (*) are the factory default settings.
Troubleshooting
Values
600 dpi
1200 dpi
2400 Image Quality*
1–10
-6 – +6
0–5
Values
On
Off*
Auto
Off*
Solving print quality problems
103
8* is the default setting.
Select a lower number to lighten the
printed output or save toner.
0* is the default setting.
0* is the default setting.
†
In the driver, enable the check box.
In the driver, disable the check box.
In the driver, enable the check box.
In the driver, disable the check box.