EPSON Stylus COLOR 900/900N
Chapter 2 Operating Principles
39
2.2.5 Pump Mechanism
The pump mechanism includes the carriage lock and head cleaner
mechanisms, as well as the ink pump itself (pressure rollers).
shows how they are combined.
Figure 2-5. Pump, Carriage Lock, and Head Cleaner Mechanisms
As shown below, the pump mechanism includes two pressure rollers.
Only one of them pumps ink at a time, depending on which direction the
ASF/pump motor is turning.
Figure 2-6. Pump Mechanism
C l u t c h
S p a c e r
C o m p r e s s i o n s p r i n g
C l e a n e r h e a d
F r a m e
U n l o c k e d
L o c k e d
O n t h e
s a m e s h a f t
I n t h e p u m p g e a r t r a i n c o n d i t i o n
P u m p i n t e r m i t t e n t g e a r
P u m p t r a n s m i s s i o n g e a r
P r e s s u r e r o l l e r
( l e f t )
P r e s s u r e r o l l e r
( r i g h t )
CR Lock
Pump transmission
gears
Head cleaner
ASF/pump
switching
mechanism
S e p a r a t o r
C C W
C W
Connector
Содержание 900N
Страница 1: ...EPSONStylusCOLOR900 900N Color ink jet printer TM SC900 N 6 59 0 18 ...
Страница 8: ... 37 5 PRODUCTDESCRIPTION ...
Страница 37: ... 37 5 OPERATINGPRINCIPLES ...
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Страница 178: ...EPSON Stylus COLOR 900 900N Chapter 7 Appendix 175 7 3 Component Layout Figure 7 2 C265 Main Board Component side ...
Страница 179: ...EPSON Stylus COLOR 900 900N Chapter 7 Appendix 176 Figure 7 3 C265 Main Board Soldering side ...
Страница 180: ...EPSON Stylus COLOR 900 900N Chapter 7 Appendix 177 Figure 7 4 C265 PSB Board Figure 7 5 C265 PSE Board ...
Страница 181: ...EPSON Stylus COLOR 900 900N Chapter 7 Appendix 178 Figure 7 6 C265 PNL Board ...
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