Component List & Illustrations; Print Mechanism Components - Epson Stylus PRO Color Large Format Inkjet Printer 7000 Service Manual

EPSON Stylus Pro 7000
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
Carriage components
+42VDC,
B printhead
+28VDC,
C printhead
-2VDC
Head thermistor +5VDC
CR motor +42VDC
CR_HP sensor +5VDC
CR encoder sensor +5VDC
+42VDC,
Pump motor
(PG adjustment)
+5VDC
PG (HD_SLID) sensor +5VDC
P_Edge sensor +5VDC
Cutter solenoid +28VDC
Operating Principles
Description
B/C/M printhead,
LC/LM/Y printhead
One in each printhead, B and C
DC motor
Photo interrupter
active= CR out of HP
interrupted = CR in HP
Linear encoder
two channel A phase/B phase
4 phase 200 cycle HB type stepping
motor with internal encoder sensor
-also used for cleaning
Photo reflector
reflected = in PG HP
unreflected = out of PG HP
Photo reflector
over threshold = paper exists
under threshold = no paper
solenoid, cutter drive
Component List & Illustrations
Table 2-1. Printer Mechanism Components (continued)
Part Drive voltage
Paper feed components
PF motor +42VDC
PF encoder sensor +5VDC
Paper suction fans
+28VDC
(x2)
P_Front sensor +5VDC
P_Rear sensor +5VDC
P_Thick sensor +5VDC
Paper set lever
+5VDC
position sensor
Ink delivery components
+42VDC,
Pump motor
(cleaning)
+5VDC
I/C sensors
+5VDC
(B/C/M/lc/lm/Y)
Ink end sensors
+5VDC
(B/C/M/lc/lm/Y)
Revision B
Description
DC Servo motor
Rotary encoder
two channel A phase/B phase
in PF motor
DC motor fan
Photo reflector
over threshold = paper exists
under threshold = no paper
Photo reflector
over threshold = paper exists
under threshold = no paper
Photo interrupter
active= thick paper
interrupted = normal paper
Photo interrupter
active= thick paper
interrupted = normal paper
4 phase 200 cycle HB type stepping
motor with internal encoder sensor
also used for PG adjustment
Microswitch 1/ slot
Open = no I/C
Closed = I/C installed
Mechanical switch 1/ slot
Open = near end
Closed = ink remains
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