Fuji Xerox Phaser 5500 Service Manual page 60

Scanner Motor control is performed according to the mode of operation as shown
below.
Scanner Motor Operational Modes
Operational Mode
Standby mode
Print mode
Sleep mode
The Scanner Motor starts rotating as the Laser Assembly warms up. The SOS signal
is sampled at intervals of 100 ms. If the obtained value is smaller than the Ready
reference value three consecutive times, the warm-up of the Laser ends. (The Scanner
Motor is rotating at a constant speed.)
Laser Reference Value
Laser Assembly
Reference Value
Ready reference value
Fail reference value
2-20
Laser Power On/Off
Always Off
Turns On upon receiving the signal from the controller, and turns
Off after a preset time has passed from the end of printing. Also
turns Off if a print command is not received within 30 seconds
from the reception of the signal.
Always Off
Description
SOS signal interval (equivalent to 98% or more of the rated rpm of
the Scanner Motor)
SOS signal interval (equivalent to 90% or less of the rated rpm of
the Scanner Motor)
Phaser 5500 Printer Service Manual