Canon iR2422 series Service Manual page 253

<Printer unit>
Symbol
Laser driver PCB
[1]
BD PCB
[2]
Image processor PCB
[3]
DC controller PCB
[4]
Option power supply
[5]
PCB
Heater PCB
[6]
Operation panel PCB
[7]
Power supply PCB
[8]
HVT PCB
[9]
Name
Scanner unit
FM2-3383
---
FM4-0027: iR2318,iR2320L,iR2320N,iR2420D,iR2420L
FM4-0028: iR2318L,iR2320
FM4-5267: iR2320J
FM4-9837: iR2422L,iR2422D,iR2422N,iR2422
FM4-9838:iR2420L,iR2420P,iR2420
FK2-1085(120V)
FK2-1086(230V)
FM2-4021
FM4-0029
FK2-8103 (120V EQL,ERB,HVZ,HWQ)
FK2-8101 (230V
EQM,EQU,EQV,GUQ,GUR,HWA,HWB,HWJ,HWG,HWM,
HWH,HWR)
FK2-8102 (230V
EQS,EQR,EQN,EQT,EQW,EQZ,HWC,HWD,HWE,HWK,H
WF,KWS)
FM3-5746
[2]
[1]
[6]
[5]
Part No.
[3]
[4]
F-12-11
Function
controls the laser unit drive
generates the BD signal
processes output image data for the
printer unit
controls the printer unit/option
Option power supply
heater power switch
controls the operation panel
printer power supply
high-voltage power supply
Chapter 12
12-9