Brother HL-3400CN Series Printer User Manual


 
USER’S GUIDE
5-40
Duplex Unit
Following sized paper can be used for the Duplex Unit.
330 x 483 mm (13 x 19"), A3, A4, B4, B5
Executive, Ledger, Legal, Letter,
!
Caution
It is essential that the printer is correctly earthed when the Duplex unit is installed. Failure
to do so will cause paper jams.
Note
The Lower Tray Unit must be connected before installing the Duplex Unit.
When you do maintenance on the printer, open the Duplex Top Cover Assembly first.
When you want to open the Rear Access Cover of the printer, open the Duplex Lower
Cover and the inside unit.
1. Turn the printer off and unplug the power cord from the AC outlet.
2. Remove the Fuser Cover which is located at the rear top of the printer. Remove the
Rear Caps (2 pieces) from the fuser unit. It is recommended to remove those caps with
a coin or a screwdriver.
Fig.5-47 Removing the Fuser Cover/ Removing the Rear Caps
3. Remove the left hand side cover of the Lower Tray Unit.
Fig.5-48 Removing Lower Tray Unit Cover