6-22 Phaser 6121MFP Service Manual
Adjustments and Calibrations
7. If the width of C is out of specification, adjust it according to the following 
procedure.
8. Select Adjustment, and press the OK button.
9. Using the Up and Down Arrow buttons, change the setting value and then 
press the OK button.
10. Place the test pattern1 into the Automatic Document Feeder. Then, make a 
test copy again and check it.
Flicker
Function
Eliminates flickers of a room fluorescent light when it occurs due to power source 
use environment or similar reason.
Use
Use when the fluorescent light flickers due to power source use environment or 
similar reason.
Setting
•ON
• OFF (default)
Top Adjustment
Function
Adjusts the top margin of media for single-sided printing.
Use
To correct a misaligned print image.
Plain Paper: Adjust the head margin of plain paper.
Thick: Adjust the head margin of thick paper.
Envelope: Adjust the head margin of envelopes.
Adjustment Range
-15 to +15 mm, Step 0.21 mm.
Procedure
1. Select Top Adju stment and press the OK button.
2. Select the desired paper type and press the OK button.
3. Select desired adjustment amount with the Up and Down Arrow buttons, and 
the press the OK button.