Functional Description; Main Controller 22Pba01; High Voltage Supply 22Pba04 - Oce 7050 Technical & Service Manual

Functional Description

1 main controller 22PBA01

The main controller 22PBA01 controls the complete functioning of the ma-
chine.
Testpoint Signal name
TP1
TP2
TP3
TP4
TP5
TP8

2 high voltage supply 22PBA04

The high voltage supply 22PBA04 provides the charge, separation and transfer
coronas with high voltage. Also the bias voltage is generated
Testpoint Signal name
TB1
TB2
TB3
TB4
TB5
ed. 6
GND
+ 5V
+ 24V
TONER SENS
CONTROL VOLTAGE
CONTROL VOLTAGE
Explanation
-200V ± 4V DC
BIAS
GND
0.85 V ± 0.1 V AC
SEPARATION
1 V ± 0.1 V DC
TRANSFER
1 V ± 0.1 V DC
CHARGE
Explanation
reference GND
Power supply measurement
points.
Used for toner sensor adjustment
( see 'Toner sensor voltage
adjustment (upto machine
705025000/705530000)' on
page 301 see 'Toner sensor
/
voltage adjustment (from
machine
705025000/705530000)' on
page 302 / see 'Toner sensor
voltage setting' on page 303
)
22 Control 501