Epson R1800 - Stylus Photo Color Inkjet Printer, Service Manual

Page: 91 / 234

EPSON Stylus Photo R1800/R2400 Revision B
Disassembly And Assembly Disassembly 91
4.2.6.2 CR Scale
1. Remove the Upper Housing. See Section 4.2.1.4 on page 76.
2. Release the Carriage lock, and move the Carriage Unit to the center.
See Section 4.2.1.3 on page 75.
3. Pull the right end of the CR Scale in the direction of the arrow, and remove
the CR Scale from the Tab on the Right CR Shaft Mounting Plate.
4. Draw out the right end of the CR Scale towards the left direction from the
rear of the Carriage Unit.
Figure 4-38. Drawing Out the CR Scale
„
The screws must be tightened in the order shown in
Figure 4-33. while the Print Head is held down in the
direction of the arrow.
Figure 4-37. Reinstalling the Print Head (2)
A D J U S T M E N T
R E Q U I R E D
After replacing or removing the Print Head, always make the
following adjustments.
1.
PG Adjustment
2. Head ID Input (only after replacing)
3. Ink Mark Sensor Adjustment
4. Head Angular Adjustment
5. Auto Bi-D Adjustment
6. First dot position
7. PW Sensor Adjustment
8. Colorimetric Calibration (only after replacing)
Refer to Chapter 5 "Adjustment" for details of the
adjustments.
C A U T I O N
When performing the following procedure, take care to
prevent both ends of the CR Scale from being broken.
Step 3
Step 4
Right CR Shaft
Mounting Plate
Tab CR Scale