Canon BJ-10sx - Manual (Page 11)

From the Front/Side
Operator Panel
You can use the operator panel to control the printer and select basic
printer operations. The various lights on the operator panel indicate the
status of the printer and identify the print mode you've selected. See
Chapter 4, Using the Operator Panel, for complete information on these
buttons and lights.
Top cover
The top cover is open when feeding paper or accessing the inside of the
printer.
Parallel interface port
The printer's interface cable connects to this port.
Paper thickness dial
You set this dial according to the thickness of your paper. The setting
you choose adjusts the distance between the print head and the paper.
There are three settings: back toward the paper icon for normal-weight
paper, in the center for printing graphics, and forward toward the
envelope icon for thick paper or envelopes.
AC adapter receptacle
The printer's AC adapter connects to this receptacle.