D-31
4.
ADJUSTMENTS
4-1.
Electrical/Image Adjustment
(1)
Accessing the Service Mode
1. Press the Utility key.
2. Press the following keys in order to enter the Service mode.
Utility
→
Stop
→
0
→
0
→
Stop
→
0
→
1
NOTE
•
Be sure to keep the access procedure for the Service mode from any unauthorized per-
sons not involved with service operations.
(2)
Accessing the “ADJUST” Menu
1. Enter the Service mode.
2. Press the Zoom Select key to select the “ADJUST” menu.
(3)
Printing a Test Pattern
NOTES
Print a test pattern when making the following adjustments.
•
Printer’s main scanning & sub-scanning registration adjustments
•
Scanner’s main scanning & sub-scanning registration adjustments
•
Scanner’s zoom ratio adjustment
•
Leading edge tilt adjustment
•
Automatic Document Feeder sub-scanning zoom ratio adjustment
•
Automatic Document Feeder main scanning & sub-scanning registration adjustments
1. Enter the Service mode.
2. The way to enter”SECURITY”is pressing”Utility”,1 in the display of selecting function
item.
3. Select “PRINT TEST PATTERN”
→
“TEST PATTERN 1”.
4. Press the Start key to begin printing the test pattern.