Lexmark 11C0200 Service Manual - Page 100

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