EPSON Stylus CX4300/CX4400/CX5500/CX5600/DX4400/DX4450 Revision A
DISASSEMBLY/ASSEMBLY Disassembling Printer Mechanism 83
4.6.6 Ink System removal
Part/Unit that should be removed before removing Ink System
Document Cover / ASF Cover / Support Arm / Scanner Unit / Middle Case /
Panel Unit / Printer Mechanism
Removal procedure
Ink System (Cap Assy)
1. Release the hook A and B that secure the Cap Assy, and detach the Cap Assy.
Figure 4-51. Removing Ink System (1)
2. Detach the Ink Tube from the Cap Assy, and remove the Cap Assy.
Figure 4-52. Removing Ink System (1)
Ink System (Pump Assy)
1. Remove the “Main Board (p73)”
2. Remove the “Printhead (p75)”
3. Remove the “CR Scale (p79)”
4. Remove the “CR Motor (p80)”
5. Remove the “CR Unit/Timing Belt (p81)”
6. Remove the “Ink System (Cap Assy) (p83)”
7. Remove the “Main Frame (p87)”
8. Insert a flathead screwdriver between the tab (1) and the rib, and release the
tab (1) while pushing it in the direction of the arrow
.
9. Release the tab (2) in the direction of the arrow .
Figure 4-53. Removing Ink System (2)
C A U T I O N
Do not touch or damage the Sealing Rubber or the Head
Cleaner when performing the following work.
Mark the connection location before removing the Ink Tube.
When removing the Ink System, follow the procedure below.
1. Detach the Cap Assy.
2. Detach the Dump Assy.
3. Remove the whole Ink System
C A U T I O N
The hook A of the Lower Housing is breakable. When releasing the
hook to detach the Cap Assy at the next step, be careful not to
break it.
Pump Assy
Head Cleaner
Cap Assy
Sealing Rubber
Cap Assy
Hook A
Hook B
Cap Assy
Ink Tube
Tab (1)
Rib
Pump Assy.
Pump Assy.
Tab (2)
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