Service manual

EPSON Stylus Color 400 Service Manual
Rev. A
3-1
2
3.2.4.3 Removing the Pump Assembly and Cap Assembly
1. Remove the housing .(Refer to 3.2.1)
2. Remove the operation panel. (Refer to 3.2.3)
3. Remove the absorber tray assembly ;A. (Refer to 3.2.4.2)
4. Loose two screws located on the edges of the paper eject frame assembly and float the paper eject
assembly.
5. Rise 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 a hook holding the cap assembly and release two peaking
attached to the frame, uplifting the right side of cap assembly, then take it out towards the bottom
of the printer mechanism. However, the cap assembly is still connected to the pump assembly with
a 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 figures on the next
page.)
8. Release a hook securing the pump assembly to the frame and remove the pump assembly,
moving it toward right direction. (Refer to figures on the next page.)
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 attach closely with surface of the print head and may cause
malfunction of operation.)
When you deal with cleaner head built in the pump assembly for replacing, be careful about
following points.
• Do not touch the cleaner head with bare hands. Use gloves or tweezers.
• Do not let the cleaner head attach with oil or grease.
• When installing the cleaner head, the rubber side(darker black side) should be set toward on the
right side of the frame.
When installing the pump assembly, do not tighten the screw more than necessary torque.
Since the spring is included in the combination of gears in the pump assembly, be careful not for
the parts being popped out during disassembly and assembly.
When assembling, be careful not to crush or leave any stress on the ink tube connecting
between pump assembly and cap assembly.
After installing the pump assembly, make sure that the cleaner parts can move front and back by
rotating the gear 67.2.
CAUTION
WORK POINT