COPYRIGHT © 2001 CANON INC.
2000 2000 2000 2000
CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001
CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
4-78 T
6.7 Variable Resistors (VR), Light-Emitting Diodes, and Check
Pins by PCB
Of the variable resistors, light-emitting diodes, and switches used in the machine, those
needed for service work in the field are discussed:
1.
Some LEDs emit dim light when they are off because of leakage cur-
rent; this is a normal condition, and must be kept in mind.
2.
VRs that may be used in the field:
VRs that must not be used in the field:
Do not touch those VRs and check pins not discussed herein; they are for
exclusive use in the factory, and require high accuracy and special instru-
ments.
Summary of Contents for iR2200 Series
Page 8: ......
Page 12: ......
Page 30: ......
Page 32: ......
Page 54: ......
Page 86: ......
Page 90: ......
Page 94: ......
Page 96: ......
Page 124: ......
Page 142: ......
Page 152: ......
Page 160: ......
Page 168: ......
Page 178: ......
Page 180: ......
Page 222: ......
Page 224: ......
Page 278: ......
Page 280: ......
Page 298: ......
Page 300: ......
Page 324: ......
Page 368: ......
Page 386: ......
Page 388: ......
Page 404: ......
Page 414: ......
Page 416: ......
Page 422: ......
Page 424: ......
Page 434: ......
Page 436: ......
Page 440: ......
Page 468: ......
Page 473: ......
Page 550: ......
Page 552: ......
Page 658: ......
Page 704: ......
Page 706: ......
Page 754: ......
Page 756: ......
Page 760: ......