Epson 7000 사용자 설명서

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EPSON Stylus Pro 7000
Revision B
Operating Principles
Component List & Illustrations
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2.1  Component List & Illustrations
This section explains the print mechanism and operating principles for the 
EPSON Stylus Pro 7000.
2.1.1  Print Mechanism Components
The printer mechanism of EPSON Stylus Pro 7000 consists of the following 
mechanism parts.
Table 2-1.  Printer Mechanism Components
Part
Drive voltage
Description
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
Table 2-1.  Printer Mechanism Components (continued)
Part
Drive voltage
Description