Xerox Phaser 3300, Servce Manual

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Phaser 3300MFP Service Manual 2-17
Theory of Operation
Beam Position Deviation of main scanning
±
1.0 mm
at the center of image
Deviation of sub scanning
±
1.0 mm
Scan Line
Property Bow Max 1 mm within image height
Skew Max 1 mm -100 ~ +100 mm range
Sync. Property Position
136.7
±
1.0 mm
distance to synchronization position
from the center of image
Pulse width
Min 5.0
μ
sec
pulse width of synchronization
Pitch Error Neighbor line
Max 10
μ
m
Pitch error in sub scanning direction
within image height of
-105 ~ +105 mm range
Within 6 lines
Max 20
μ
m
within image height of
-105 ~ +105 mm range
Unit assembly state
5
°
Motor Control PWM control external clock (TTL pulse)
Direction of rotation CCW
Rotational speed 31836.6 rpm normal rotational speed
(30 ppm)
Rising time Max 6.0 sec time to stable rotational speed
Mirror Facet number 4 faces
Inner diameter
ϕ
14.14 mm
Jitter LF Max 0.030% within image height of
-105 ~ +105 mm range
RF Max 0.020%
Motor Driver Supply voltage
24 V
±
10%
application voltage to the driving
circuit of polygon motor
Starting current Max 2.0 A required current for acceleration
Running current Max 1.0 A required current to stable rotational
speed
Scanning
Property Effective scanning width 216 mm
Scanning freq. 2.122.44 Hz one line scanning frequency
Scanning time
471.15
μ
s
Scanning dot 5.102 dots
1 dot ON time 53.86 ns time interval from falling 0.9 VH to
rising again 0.9 VH
Scanning effective 58.3%
Video freq. 18.5648 MHz frequency of video data
Process Speed 179.7 mm/s Drum Speed
Environment Acoustical noise 45 dB at normal operation condition,
measuring at 1 m horizontal, 0.75 m
vertical apart
Use Temperature
+10 ~ +50
°
C
Humidity 30 ~ 80%
Preservation Temperature
Humidity
-20 ~ +60
°
C
10 ~ 90%
Size W x L x H