Epson R1800 - Stylus Photo Color Inkjet Printer, Service Manual

Page: 143 / 234

EPSON Stylus Photo R1800/R2400 Revision B
Adjustment Adjustment 143
5.2.3 PF Roller Shaft Center Support Position
Adjustment
This adjustment must be performed to compensate the deflection amount on
the PF Roller Shaft and to maintain an appropriate paper feed amount when
the following parts are removed and replaced.
„
PF Motor
„
PF Roller Shaft
The PF Roller Shaft Position Adjustment Jig and Level block are used for this
adjustment.
Figure 5-12. PF Roller Shaft Center Support Position Adjustment Jig
and Level Block
5.2.3.1 How to Adjust the PF Roller Shaft Center
Support Position
1. Before performing this adjustment, remove the following parts:
„
Lower Housing
„
ASF Assy
See Section 4.2.4 on page 83.
„
Board Assy
See Section 4.2.5.1 on page 87.
„
Carriage Unit
2. Install the printer on a level base.
3. Set the PF Roller Shaft Position Adjustment Jig in place on the Level block, and
perform zero adjustment.
„
Long hand position: Turn the dial to adjust the "0" position on the scale
to the long hand position with the jig set in place
on the Level block.
„
Short hand position: Check it.
Figure 5-13. Setting the PF Roller Shaft Position Adjustment Jig (1)
C H E C K
P O I N T
A substitute level block can be used if its surface accuracy is
within 50
µ
.
PF Roller Shaft Center Support
Position Adjustment Jig
Level Block
C A U T I O N
Place the printer on a level, warp-free table. This adjustment
cannot be performed correctly if it is performed on a warped
table.
0 position