Printhead - Epson Stylus PHOTO RX640 Service Manual

EPSON Stylus PHOTO RX640/650

4.2.7 Printhead

C A U T I O N
Take due care not to stain any surrounding objects with ink.
In addition, be careful not to clog the nozzles by, say, touching
the nozzle side with your bare hand.
When removing the Head FFC Cover, do not use any pointed
tool; otherwise, the FFC may be damaged.
C H E C K
Stylus PHOTO RX640/650 does not have any mechanism that
P O I N T
permits the operator to unlock the carriage. Therefore, turn the
power ON and unplug the power cable from the wall outlet timely
after seeing the movement of the carriage to locate it at a position
other than the home position.
1. Move the Carriage Assy to the position where the cartridges are to be replaced.
2. Open the cartridge cover, and remove all the ink cartridges.
3. Insert a slotted screwdriver under the hook of the Head FFC Cover, and move it
upward and remove the Head FFC Cover. (Fig. 4-26)
4. Using a screwdriver with a short shank, remove the screws (x3) securing the
Printhead. (Fig. 4-27)
5. Lift the Printhead, and disconnect the FFCs (x2).
See Page 67 for how to remove the cartridge cover.
When installing the Printhead, tighten the screws in the
specified order. (Fig. 4-27)
When installing the Head FFC Cover, make sure that the
upper guides (right and left) are engaged with the bottom
hooks (left and right) properly.
A D J U S T M E N T
For replacing the Printhead, note down the head ID before
R E Q U I R E D
installing the Printhead. After reassembly, refer to the following
section and perform the necessary adjustments:
5.1.1 Adjustment by Use of Adjustment Program (TBD) (p.72)
Disassembly and Assembly
C.B.P-TITE 2.6x8 (x3)
Torque : 0.4±0.1N
1
Removal of Exterior Parts
Head FFC Cover
Hook (x2)
Figure 4-26. Removing the FFC Cover
Printhead
· m
3
Figure 4-27. Removing the Printhead
Revision A
Guide (x2)
2
Head ID
51