12-10
12.2 Laser Optical Unit
Removal
1. Remove the printer top cover
2. Loosen the screw and remove the air filter.
Installation
Installation is essentially in the reverse order of removal.
NOTE: After installation, perform the following adjustment.
• Menu 0552 “Filter Replacement History”
Removal
1. Remove the printer top cover
2. Disconnect the fan connector.
3. Remove the fan connector from the bracket.
4. Remove the two screws and then the fan.
Installation
Installation is essentially in the reverse order of removal.
12.2.1
Laser Optical Unit Air Filter Replacement
LII416
Screw
Filter
12.2.2
Anti-dust Fan 1/2/3 (F610/F611/F612) Replacement
LII417
Connector
Screws (2)
Fan