
PCBs
6–13
ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS
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Name
Image processor PCB
DC controller PCB
Composite power supply PCB
Analog processor PCB
Laser driver PCB
Laser scanner motor driver
Fixing heater driver
Options power supply
Intensity adjusting sensor
BD PCB
Noise filter
Pick-up unit PCB
Cassette size detection (upper)
Cassette size detection (lower)
Pre-exposure lamp PCB
Multifeeder paper width detection PCB
Service switch PCB
LCD intensity adjustment PCB
Description
Processes images.
Controls DC loads.
Provides HVT/lamp regulator/DC power.
Drives the CCD/processes analog images.
Drives the laser unit.
Drives the laser scanner motor.
Drives the fixing heater.
Provides power to the sorter/RDF.
Detects the intensity of the scanning lamp.
Detects the laser beam.
Removes electrical noise from AC power.
Controls the pick-up assembly sensors.
Detects the size of the upper cassette.
Detects the size of the lower cassette.
Removes residual charges from the photosensi-
tive drum.
Detects the width of paper in the multifeeder.
Controls the service switch.
Controls the LCD.
Summary of Contents for GP215
Page 4: ......
Page 36: ......
Page 38: ...3 2 TROUBLESHOOTING IMAGE PROBLEMS ...
Page 39: ...3 3 TROUBLESHOOTING IMAGE PROBLEMS ...
Page 40: ...3 4 B Image Fault Samples ...
Page 80: ......
Page 92: ...6 6 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS C Fans Figure 6 603 FM6 FM5 FM2 FM3 FM1 FM4 ...
Page 105: ...6 19 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS 3 Composite Power Supply PCB Figure 6 610 ...
Page 204: ...C GENERAL CIRCUIT DIAGRAM General Circuit Diagram 1 4 A 3 ...
Page 205: ...General Circuit Diagram 2 4 A 4 ...
Page 206: ...General Circuit Diagram 3 4 A 5 ...
Page 207: ...General Circuit Diagram 4 4 A 6 ...