Operation Manual, User's Manual

7-116
SETTING MODE►SYSTEM SETTINGS
Image Quality Adjustment
Collective Adjustment
Various devices mounted on the machine can be set.
Fusing Cleaning Mode
Use this function to clean the machine's fusing unit when dots or other dirt appear on the printed side of the paper. When
this function is executed, "V" printed paper is output and the fusing unit is cleaned.
Black Letter/Black Line Width Adjustment
Adjust black text and the width of black lines. After using this function to perform adjustment, perform [System Settings]
- [Common Functions] - [Auto Grey Calibration (for Copy)], [Auto Grey Calibration (for Print)].
Black Streak Reduction
Specify to use the black streak reduction or not.
The black streak reduction can be used for Scan Original, Copy, Image Send, and Scan to HDD functions.
If the black streak reduction is enabled, select any of the following options.
• Treat Thin Black Streaks: Use this setting to make thin black streaks less apparent. (Low level)
• Normal: Use this setting to make black streaks less apparent. (Medium level)
• Treat Up to Thick Black Streaks: Use this setting to make thick black streaks less apparent. (High level)
Display warning message for black streaks detection.
Set this option to display a warning message when black streaks are detected by the document feeder.
Fusing Cleaning Mode in [Collective Adjustment], all Common Functions, and removal of a toner cartridge can only be
executed in setting mode on the machine.
If improvement is not noticed after the first time you use the function, try executing the function again.
Increasing the level of black streak treatment may result in faint text and poor reproduction of lines.