Epson Stylus Photo R1900 Service Manual page 150

EPSON Stylus Photo R1900/R2880/R2000
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 (Refer to 4.4.4 Lower Housing / Printer Mechanism (p96))

ASF Assy (Refer to 4.4.6 ASF Assy (p106))

Board Assy (Refer to 4.3.1 Board Assy (Main Board/Power Supply Board)
(p84))

Carriage Unit (Refer to 4.4.5 Carriage Shaft / Carriage Unit (p98))
2. Install the printer on a level base.
Place the printer on a level, warp-free table. This adjustment
C A U T I O N
cannot be performed correctly if it is performed on a warped table.
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.
0 position
Figure 5-13. Setting the PF Roller Shaft Position Adjustment Jig (1)
Adjustment
4. Tilt the Printer Mechanism at about 45 degrees, and loosen the screws that secure
the Center Support Bushing Cam and the Center Support Bush.
Bottom of Rear Center
Figure 5-14. Center Support Bushing Cam and the Screw
Adjustment
Center Support
Bushing Cam
Revision E
150
Confidential