Printhead; Removing The Printhead - Epson Stylus Pro 4910 Service Manual

Epson Stylus Pro 4900/Epson Stylus Pro 4910

3.4.9.2 Printhead

1. Remove the Front Cover. (p142)
2. Remove the Control Panel Cover.
3. Remove the Right Upper Cover.
4. Remove the Right Cover. (p139)
5. Remove the Left Cover. (p137)
6. Unlock the carriage, and move the CR Unit to the left end.
Be sure to move the CR Unit to the left end before performing the
C A U T I O N
following steps. Performing the following step with the CR on the
platen may damage the Printhead.
7. Remove the CR Cover. (p149)
8. Remove the Ink Selector Assy from the CR Unit.
Selector Assy" (P. 229))
9. Remove the three screws that secure the Printhead.
A) Silver, Phillips, Bind P-tite M2.5x6: three pieces
10. Remove the Printhead, and disconnect the FFC.
After installing the Printhead, be sure to check that the Printhead
does not move by shaking it slightly. If it moves, re-tighten the three
screws securely.
DISASSEMBLY & ASSEMBLY
(p136)
(p138)
(p124)
(Step 9 to Step 14 in "3.4.9.1 Ink
Disassembly and Assembly Procedure
Be sure to refer to Chapter 4 "Adjustment"
A D J U S T M E N T
R E Q U I R E D
specified adjustments after replacing or removing the Printhead.
<Adjustment items>
1. Counter Reset (Printhead Counter)
2. Head ID Check & Input
3. PG Height Check & Adjustment
4. Cleaning
5. Nozzle Check
6. AID Function Check
7. CR & PF Direction Head Slant Adjustment
8. PW + T&B&S Check & Adjustment
9. Auto Bi-D Adjustment
10. Colorimetric Calibration Adjustment
A
Figure 3-165. Removing the Printhead
Revision A
(see p277) and perform
Head FFC
A
A
Printhead
Confidential
232