Operation Manual, User's Manual

7-120
SETTING MODE►SYSTEM SETTINGS
Image Quality Adjustment
Collective Adjustment
Various devices mounted on the machine can be set.
Registration Adjustment
If colour shift occurs on the printed side when colour printing is performed, the print positions of the colours can be
adjusted to reduce colour shift.
Tap the [Execute] key.
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)].
Dark Streak Reduction
Specify to use the dark streak reduction or not.
The dark streak reduction can be used for Scan Original, Copy, Image Send, and Scan to Local Drive functions.
If the dark streak reduction is enabled, select any of the following options.
• Treat Thin Dark Streaks: Use this setting to make thin dark streaks less apparent. (Low level)
• Normal: Use this setting to make dark streaks less apparent. (Medium level)
• Treat Up to Thick Dark Streaks: Use this setting to make thick dark streaks less apparent. (High level)
Display warning message for black streaks detection.
Set this option to display a warning message when dark streaks are detected by the document feeder.
• Registration Adjustment or 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.
• Colour Profile Settings can only be configured on the Web page.
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.