Figure 2-4-1

2 - 33
CHAPTER 2
/PRNT
VDO
/VDO
Cleaningblade
Cartridge
Static charge
eliminator
Transfercharging
roller
Lowerfixing roller
Upperfixing roller
Photo-
sensitive
drum
Primarycharging roller
Laserbeam
Blade Developingcylinder
Manualfeeding pick-up roller
Lower cassette
pick-up roller
Video
controller
PCB
DC
controller
PCB
High-
voltage
power
supply
Upper cassette
pick-up roller
Transferbias drive signal (TRFVCNT)
Transfernegative bias drive signal (/TRFNVD)
Transferbias monitor signal (TRFVSNS)
Fixing roller bias drive signal (/HRLBD)
Transferbias constant current drive signal (/TRFCCD)
Discharge bias drive signal (/DCHGBD)
Transferbias frequency output signal (/TRFCLK)
Discharge bias switch signal (/DCHGUP)
High voltage bias frequency output signal (HVTCLK)
DevelopingAC bias drive signal (/DEVACD)
PrimaryAC bias frequency output signal (PR1ACCLK)
DevelopingAC bias frequency output signal (DEVACCLK)
PrimaryAC bias drive signal (/PR1ACD)
Developing DC bias drive signal (/DEVDCD)
Primary DC bias drive signal (/PR1DCD)
Image density adjustment signal (DENADJ)