Epson 7000 사용자 설명서

This section explains the print mechanism and operating principles for the 
EPSON Stylus Pro 7000.

The printer mechanism of EPSON Stylus Pro 7000 consists of the following 
mechanism parts.

Carriage components

B printhead

C printhead

+42VDC,

+28VDC,

-2VDC

B/C/M printhead,

LC/LM/Y printhead

Head thermistor

+5VDC

One in each printhead, B and C

CR motor

+42VDC

DC motor

CR_HP sensor

+5VDC

Photo interrupter
active= CR out of HP

interrupted = CR in HP

CR encoder sensor

+5VDC

Linear encoder

two channel A phase/B phase

Pump motor
(PG adjustment)

+42VDC,

+5VDC

4 phase 200 cycle HB type stepping 
motor with internal encoder sensor

-also used for cleaning

PG (HD_SLID) sensor

+5VDC

Photo reflector

reflected = in PG HP

unreflected = out of PG HP

P_Edge sensor

+5VDC

Photo reflector

over threshold = paper exists

under threshold = no paper

Cutter solenoid

+28VDC

solenoid, cutter drive

Paper feed components

PF motor

+42VDC

DC Servo motor

PF encoder sensor

+5VDC

Rotary encoder

two channel A phase/B phase

in PF motor

Paper suction fans 
(x2)

+28VDC

DC motor fan

P_Front sensor

+5VDC

Photo reflector

over threshold = paper exists

under threshold = no paper

P_Rear sensor

+5VDC

Photo reflector

over threshold = paper exists

under threshold = no paper

P_Thick sensor

+5VDC

Photo interrupter
active= thick paper

interrupted = normal paper

Paper set lever 
position sensor

+5VDC

Photo interrupter
active= thick paper

interrupted = normal paper

Ink delivery components

Pump motor
(cleaning)

+42VDC,

+5VDC

4 phase 200 cycle HB type stepping 
motor with internal encoder sensor

also used for PG adjustment

I/C sensors
(B/C/M/lc/lm/Y)

+5VDC

Microswitch 1/ slot

Open = no I/C

Closed = I/C installed

Ink end sensors
(B/C/M/lc/lm/Y)

+5VDC

Mechanical switch 1/ slot

Open = near end

Closed = ink remains