Linear Scale - Epson Stylus PHOTO RX640 Service Manual

EPSON Stylus PHOTO RX640/650

4.2.8 Linear Scale

C A U T I O N
When you hold the Linear Scale, hold its ends or two points of the
top and bottom surfaces with your hands; do not touch the reading
surface.
Take care that the reading surface is not soiled or scratched.
About 25mm
Hold here
Hold here
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 turn it OFF timely after seeing the movement of the
carriage to locate it at a position other than the home position.
1. Remove the Scanner Unit (p.45)
2. Remove the spring from the left frame of the printer. (Fig. 4-28)
3. Release the Linear Scale from the hook at the right frame of the printer.
4. Pull out the Linear Scale from the CR Encoder of the Carriage Assy.
5. Turn the Linear Scale upward by 90 degrees and release it from the left hook.
Install the Linear Scale with the cut portion toward upper left.
Disassembly and Assembly
HP side
About 45 mm
Hold here
Hold here
CR_Scale02.eps
Cut portion
Removal of Exterior Parts
2. Remove the spring
5. Turn it by 90 degrees and release it
Figure 4-28. Removing the Linear Scale
Revision A
3. Release it from the hook
Carriage Assy
4. Pull it out from the CR Encoder
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