4-6 Service Manual
4062-XXX
Step B
Print a copy of the Quick Test Page, and check the margin adjustments printed on the test page. These
settings should be within the range specified in “Registration” on page 3-67. The reference screw can be
adjusted without loosening the locknut. Turn the screw a few turns, and print a copy of the Quick Test Page as
you check the diamonds on the left margin. Continue adjusting the screw as you check the results of each
adjustment on a new test page until you obtain the results you want.
Fuser solenoid adjustment
Perform the fuser solenoid adjustment whenever you replace the fuser solenoid. Adjust the fuser solenoid
while installed in the printer. Adjust the screw on the eccentric mounted on the solenoid housing to provide an
air gap between the rear of the solenoid stator and the solenoid armature. The solenoid air gap for all models
is 4.5 mm ± 0.1 mm.
Gap adjustment
The gap adjustment allows you to increase the minimum gap between sheets of paper as they are fed through
the printer. This adjustment reduces the printer overall performance, such as pages per minute, but can help in
reducing the amount of curl of some printed media, thus improving media stacking in the output bin.
1. Enter the Diagnostic Mode.
2. Select Ep Setup from the Diagnostic Menu.
3. Select Gap Adjust.
4. The range of the GAP adjustment is 0 to 255. Adjust the gap setting by using to select the value. If
GAP=0 displays, it indicates a factory setting to minimum gap. Select a value and run several copies of the
media that displays a curl problem. It may take several tries before improvement is noticed.
Note: This setting has no effect when duplexing.
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