Valve Assy., Head; Tube, Supply, Ink Removal - Epson Stylus Pro 4400 Service Manual

EPSON Stylus Pro 4400/4450/4800/4880/4880C

4.2.8.2 Valve Assy., Head

When performing the following work, remove ink out of the
A D J U S T M E N T
R E Q U I R E D
ink route before removing the "Valve Assy., Head". Refer to
Chapter 5 "Adjustment" (p.366)
1. Remove the "Carriage Cover".
(Refer to "4.2.4.3 C593_SUB Board" (p234).)
When performing the following steps, pay attention to the
C A U T I O N
followings:
Prepare pieces of cloth in case the ink leaks or spatters
around the printer.
Do not allow dust or foreign matters to get into the
"Tube, Supply, Ink".
Do not bend the "Tube, Supply, Ink" or damage it with
frame edges.
2. Loosen the eight "Coupling Screw, M7"s that secure the "Tube, Supply,
Ink" to remove the "Tube, Supply, Ink" from the "Head Unit".
Disassembly & Assembly
to know how to remove ink.
Disassembly Procedures
Tube, Supply, Ink
Coupling Screw, M7
Figure 4-115. Tube, Supply, Ink Removal
Revision C
Head Unit
291