Cr Scale - Epson Stylus C58 Service Manual

Epson Stylus C58/C59/ME 2/C79/D78/C90/C91/C92/D92/T20/T20E/T23/T26/S20/T10/T11/ME 30/T21/T24/T27/S21

4.5.3 CR Scale

Pay attention to the following instructions:
C A U T I O N
• Do not touch the CR Scale with bare hands.
• Do not damage the CR Scale.
• Do not stretch Extension Spring 3.289 too much.
Part/Unit that should be removed before removing CR Scale
Upper Housing
Removal Procedure
1. Release the right end of the CR Scale from the tab.
2. Release the CR Scale from the slit of the CR Encoder Sensor.
Epson Stylus C58/C59/ME2's Case
Tab
CR Scale
Slit of CR Encoder Sensor
Figure 4-23. Removing CR Scale (1)
DISASSEMBLY/ASSEMBLY
Epson Stylus C79/D78's Case
Tab
CR Scale
CR Scale
Disassembling Printer Mechanism
3. Release the Extension Spring 3.289 from the hook of the Main Frame.
4. Rotate the CR Scale 90 degrees as shown in the figure and remove the scale
from the Main Frame.
90 º
Hook
Extension Spring 3.289
Figure 4-24. Removing CR Scale (3)
When installing the CR Scale, pay attention to the following
instructions.
The CR Scale must be set between the sides of the CR Encoder
Sensor, but not touching either side. If the CR Scale is rubbing
against either wall (emitter or receiver), it should be re-
installed.
Chipped part of the CR Scale should be facing upward.
Extension Spring 3.289 should not be twisted.
Revision E
Chipped
CR Scale
46
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