Canon CLBR 460ps Service Manual page 7

U. Waste Toner Full Sensor ....3-44
V. OHT Sensor .......................3-45
W. Density Sensor ..................3-45
VI. SOLENOIDS/CLUTCHES .........3-47
A. Locations ..........................3-47
B. Multi-purpose Tray
Pick-up Solenoid ...............3-48
C. Cassette
Pick-up Solenoid ...............3-48
D. Registration Roller Clutch.3-49
E. ITB Unit Contact Clutch....3-49
F. ITB Cleaning Roller
Press Clutch ......................3-50
G. Secondary Transfer Roller
Press Clutch ......................3-50
VII. MOTORS/FANS ......................3-51
A. Locations ..........................3-51
B. Fixing Motor Unit..............3-52
C. Pick-up Motor....................3-52
D. Developing Rotary Motor...3-53
E. Drum Motor.......................3-53
F. Toner Cartridge
Motor Unit ........................3-54
G. 90-Fan...............................3-54
H. 60-Fan...............................3-55
I. 40-Fan...............................3-56
VIII. ELECTRONIC COMPONENTS ..3-58
I. PREFACE ...............................4-1
A. Malfunction Diagnosis
Flowchart ..........................4-1
B. Initial Check .....................4-4
C. Test Print ..........................4-6
II. IMAGE DEFECT......................4-17
III. PAPER JAMS
TROUBLESHOOTING ..............4-27
IV. PAPER TRANSPORT
TROUBLESHOOTING ..............4-34
V. MALFUNCTION
CHAPTER 4 TROUBLESHOOTING
A. Locations ..........................3-58
B. DC Controller PCB ............. 3-59
C. Connector PCB ..................3-60
D. Low-voltage Power
Supply Unit .......................3-60
E. High-voltage
Power Supply Unit ............. 3-61
F. Developing PCB .................3-61
G. Feed PCB...........................3-62
H. Multi-purpose Tray PCB.....3-62
I. Toner Level
Detection PCBs
[Emitter and Receiver].......3-64
J. Waste Toner Full
Detection PCBs
[Emitter and Receiver].......3-64
K. Cassette Paper Size
Detection PCB ................... 3-65
L. Video Controller PCB.........3-65
IX. DUPLEXING UNIT ...................3-66
A. External Covers.................3-66
B. Motors/Solenoids ..............3-69
C. Sensors ............................. 3-72
D. Electrovic Components .....3-75
X. PAPER FEEDER......................3-77
A. Locations ..........................3-77
TROUBLESHOOTING ..............4-36
VI. MALFUNCTION STATUS
TROUBLESHOOTING ..............4-37
VII. MEASUREMENT AND
ADJUSTMENT ........................4-53
A. Mechanical Adjustment ..... 4-53
B. Electrical Adjustment........4-54
C. Variable Resistors [VR],
Test Print, Jumpers,
and Switches on PCBs .......4-55