Epson Stylus Photo 1390 - Page 142

EPSON Stylus Photo 1390/1400/1410 Revision B
ADJUSTMENT Adjustment 142
8. To set the PG position to the “--” position, turn the PG Cam on the right end of the
Carriage Shaft clockwise so that the point marked “--” faces down.
Figure 5-8. Markings of the PG Cam
9. Lower the Gear of the Parallelism Adjust Bushing on the left side of the frame
stepwise, and confirm continuity. Then define the position where the Gear was
raised one step up from the continuity position (where continuity is lost) as the left
side PG position. Move the Parallelism Adjust Bushing at least twice to confirm
that the continuity position and the non-continuity position are the same.
10. To set the PG position to "0" or more, turn the PG Cams on both ends of the
Carriage Shaft counterclockwise so that the point marked "0" (or "+" or "++")
faces down.
A D J U S T M E N T
R E Q U I R E D
 PG Specified Value
• PG – – (Minus Minus): 1.05mm to 1.25mm
• PG – (Minus): 1.2mm to 1.4mm
 Adjustment Resolution: 0.06mm
PG Cam
C H E C K
P O I N T
The following figure shows the states of the Adjust Parallel
Bushing on the left side of the frame and the PG. This also applies
to the Adjust Parallel Bushing on the right side of the frame.)
Figure 5-9. Relationship between Parallelism Adjust Bushing and PG
Narrower PG
Wider PG
Parallelism
Adjust Bushing