Epson 440 - Manual (Page 113)

EPSON Stylus Color 440/640/740 Revision A
Chapter 4 Disassembly and Assembly 113
4.2.4.3 Removing the Pump Assembly and Cap Assembly
1. Remove the housing. (Refer to Section 4.2.1.)
2. Remove the operation panel. (Refer toSection 4.2.3.)
3. Remove the absorber tray assembly ;A. (Refer to Section 4.2.4.2.)
4. Loosen two screws located on the edge of the paper eject frame
assembly and float release the joints for the paper eject assembly
and the side frames.
5. Raise the printer mechanism toward ASF side so that you can see
the bottom of the printer mechanism.
6. On the right side of frame, remove the hook holding the cap
assembly and release two protrusions attached to the frame, lifting
up the right side of cap assembly, then take it out towards the
bottom of the printer mechanism. Note that the cap assembly is still
connected to the pump assembly by the ink tube at this point. (Refer
to figures on the next page.)
7. Remove two screws (No.5) securing the pump assembly to the
frame. (Refer to the figures on the next page.)
8. Release a hook securing the pump assembly to the frame and
remove the pump assembly, moving it toward the right. (Refer to
figures on the next page.)
See the following pages for the figures below:
Figure 4-9, “Removing the Cap and Pump Assemblies”
Figure 4-10, “Component of Pump Assembly”
C A U T I O N
Do not damage the rubber part (black square) of the
cap installed in the cap assembly. (If it gets damaged,
it will not be able to adhere closely to the surface of
the print head, and may cause a malfunction in
operation.
When you replacing the cleaner head built in the
pump assembly, be careful of the following points.
Do not touch the cleaner head with your bare hands.
Use gloves or tweezers.
Do not let oil or grease touch the head cleaner.
When installing the cleaner head, set the rubber side
(black side) toward the right side of the frame.
When installing the pump assembly, do not tighten
the screw more than necessary torque.
C H E C K
P O I N T
Since the spring is included among the gears in the
pump assembly, be careful that the parts do not pop
out during disassembly and assembly.
When assembling the printer, be careful not to crush
nor leave any stress on the ink tube connecting the
pump assembly and the cap assembly.
After installing the pump assembly, make sure that the
cleaner parts move back and forth by rotating the gear
67.2.