Lexmark T640 - Cartridge Duct Removal

4-24 Service Manual
4061-xx0
Cartridge duct removal
1. Open the left door.
2. Disconnect the printhead laser cable from J2 on the system board.
3. Remove the three screws securing the cartridge duct (A).
Note: It may be necessary to pull the main fan cable (B) up and out of the way to remove the duct.
4. Reconnect the printhead laser cable.
Note: Be sure to reposition the main fan cable if you moved it out of the way when removing the duct.