Led Focal Point Calibration - Oki LP-1040 Maintenance Manual

10.6 LED Focal Point Calibration

Calibrates the focal point of the LED.
This calibration is necessary whenever you are replacing a LED head.
Note
First, get a 7mm box wrench and a flat head screwdriver.
1.
Remove the top cover (see p. 9-5) so that
LED head is calibrated.
2.
Print the engine test pattern 14.
3.
Check the print results visually.
10-52
Focal point is aligned.
Paper feed direction
Focal point is not aligned.
(The printout is slightly light)
Focal point is not aligned.
(The printout is light)