# Adjustment/Maintenance

NOTE
###### Menu options in the following chart: Default settings are highlighted in bold.

#### Special Processing

Settings | Descriptions
Special Mode U | Set whether or not to reduce spots of scattered toner on the printed paper, especially when using thick paper or operating in a dry environment:
Off, On
"Special Mode"
Special Mode V | Set the level to reduce paper curl or crease:
Off, Mode 1, Mode 2, Mode 3
"Special Mode"
Special Mode Z | Set the level to reduce vertical streaks on the printed paper when copying or printing received documents:
Copy: Off, Mode 1, Mode 2, Mode 3, Mode 4 Fax: Off, Mode 1, Mode 2, Mode 3, Mode 4
"Special Mode"
Special Mode B | Set the level to reduce vertical streaks on the printed paper when using a toner cartridge after a long time or after replacing the toner cartridge:
Off, Mode 1, Mode 2, Mode 3
"Special Mode"
Special Mode C | Set whether or not to reduce vertical streaks on the printed paper or printing noise:
Off, On
"Special Mode"
Special Mode D | Set whether or not to reduce vertical streaks on the printed paper or printing noise when copying or printing:
Copy: Off, On Print: Off, On
"Special Mode"
Special Mode I | Set this setting to <On>, when paper jams may occur frequently when performing 2-sided printing:
Off, On
"Special Mode"
Special Mode J | Set this setting to <On>, when printed paper is spotted when printing thin lines or light images:
Off, On
"Special Mode"
Special Mode K | Set this setting to <On>, when toner is not fixed sufficiently especially in a low temperature environment:
Off, On
"Special Mode"

#### Clean Fixing Unit

If black streaks appear on printed paper, clean the fixing unit when replacing toner cartridges.
"Cleaning the Fixing Unit"
0AE3-0A3