2.1 Main Components and Functions 19
2 Basic Operation
2.1 Main Components and Functions
Main Unit
Front/Left View
No. Name Description
1 Top cover Opened when replacing the print cartridge or clearing paper jams.
2 Ventilation hole Releases heat to prevent the interior of the printer from overheating.
Important
• Do not place any objects on the ventilation hole. Blocking the ventilation hole 
causes heat build-up in the printer, which causes the printer to malfunction.
3 Control panel Consists of the control buttons, indicator lamps, and a display. For details, refer 
to "Control Panel" (P. 22).
4 Upper cover Opened when installing the duplex unit (optional) or cleaning the feed rolls.
5 Front cover Opened when replacing the print cartridge or clearing paper jams.
6 Tray 1 (Bypass tray) Load paper here when printing using Tray 1. This tray can accommodate plain 
paper and special media such as postcards and envelopes. It can be extended 
in two stages as necessary.
7 Power switch Switches the printer on/off. Pressing this to the <|> position switches the power 
on, and pressing it to the <O> position switches the power off.
8 Tray 2 Load paper here. This is the standard paper tray.
9 Trays 3, 4 & 5
550 sheet feeder (optional)
Load paper here when the optional 550 sheet feeder (hereinafter referred to as 
“sheet feeder”) is installed. The above illustration shows the printer with three 
sheet feeders (optional).
Note
• Trays 3, 4, and 5 can be added to the Phaser 5335.
10 Ventilation hole Releases heat to prevent the interior of the printer from overheating.