Mita-Kyocera PF8081 CHAPTER3

Chapter 3

Hardware notes

Chapter 3 Contents

3-1 Hardware notes ................................................................................................................................ 4-3

3-1-1 Hardware configuration................................................................................................................... 4-3

3-1-2 Feeder board .................................................................................................................................. 4-4

(1) Feed motor drive circuit ................................................................................................................. 4-4

(2) Pickup solenoid drive circuit .......................................................................................................... 4-6

(3) Parallel/serial converter circuit....................................................................................................... 4-7

3-1-2 Interface connector ......................................................................................................................... 4-8

PF-80/PF-81

3-2

3-1 Hardware notes

3-1-1 Hardware configuration

The hardware of the paper feeder PF-80/PF-81 includes the feeder board, tray sensor boards, feed
motor and the door switch. The feeder board is mounted the pickup solenoids, sensors. The feeder
board is under control of the printer main unit. See figure below.

Printer engine

DRAWER
DRAWER

Feeder board

CN901

Door switch

Parallel/serial

converter

circuit

Feed motor drive circuit

Pickup solenoid
drive circuit (A)

Pickup solenoid
drive circuit (B)

Door open
detect circuit

Tray sensor
circuit (A)

Paper empty
sensor (A)

Tray sensor
circuit (B)

Paper empty
sensor (B)

Pickup solenoid

(SOL901)

Pickup solenoid

(SOL902)

+24 V AS

CN902

CN904

CN905

CN906CN903

CN907

Feed motor

Tray sensor
board (A)

Tray sensor
board (B)

Figure 3-1-1 Hardware configuration block diagram

3-3

PF-80/PF-81