August 2006 FUSING, PAPER EXIT
6-133
Detailed
Descriptions
The fusing belt system applies heat to the belt at three points: the hot roller, the
heating roller, and the pressure roller. This allows the use of smaller rollers and
conserves space. As less pressure is necessary during fusing, less torque is
required.
• T he fusing belt, composed of silicone and Teflon layers, applies heat directly to
fuse the toner to the paper.
• The heating roller is an aluminum roller with two fusing lamps (590W + 590W). It
applies heat to the fusing belt after it passes the hot roller, and maintains the
heat of the fusing belt while the machine is in standby mode.
• The pressure roller has a metal core to provide rigidity, and is covered with
Teflon to prevent toner from adhering to its surface. It applies heat with one
fusing lamp (350W) to maintain the temperature of the fusing belt while the
machine is in standby mode.
• The accordion jam sensor detects accordion jams where the paper exits at the
nip between the hot roller and pressure roller.
• The fusing exit sensor detects jams at the fusing exit by confirming that paper
arrives the fusing exit at the correct time.
• The hot roller is a solid rubber roller with one fusing lamp (350W) that heats and
drives the fusing belt. Maintains the temperature of the fusing belt while the
machine is in the standby mode.
The fusing/exit motor speed depends on the paper type, as shown in the table
below.
Paper Type Selection
(User Tools) Paper Weight Range
Line Speed
Thin 14 to 19 lb Bond
52 to 71 g/m2 282 mm/s
Normal 19 to 33 lb Bond
72 to 126 g/m2 282 mm/s
Thick 1 33 to 41 lb Bond
127 to 156 g/m2 141 mm/s
Thick 2 41 to 68 lb Bond
157 to 256 g/m2 141 mm/s
OHP --- 100 mm/s