Precautions For Handling The Laser Equipment; Adjustment Procedures; Registration Adjustment - Lexmark Optra SC 1275 Service Manual

Precautions for Handling the Laser Equipment

•
When a service job needs to be performed in the laser beam
path, such as when working around the printhead and the drum
cartridge, be sure to turn the printer off first.
•
A highly reflective tool can be dangerous if it is brought into the
laser beam path. Use utmost care when handling tools around
the laser beam.
•
If the job requires that the printer be left on, take off your watch
and ring, and wear laser protective goggles which must meet
the following laser specifications:
•
Max. power: 5mW
•
Output wavelength: 780 - 810nm

Adjustment Procedures

Registration Adjustment

If you replace the mechanical controller board (PWB-A), go to the
diagnostic menu and run the Quick Test in the Registration Menu. If
the registration gap is not 4 mm, adjust the gap as follow:
Repair Information 3-3