Belt Tension Adjustment; Magnet Catch Installation Position Adjustment - Epson GT-1200 Service Manual

ADF

5.1.2.3 Belt Tension Adjustment

This adjustment is made to adjust tension of the timing belt used to
transmit drive sent from the transportation motor to the transportation belt
unit. Failure in this adjustment loses proper play of the belt, and document
skew or jam may occur. This adjustment must be made under the
following conditions:
q 2 Screws securing the DF supporting plate are loosened.
q DF supporting plate is replaced.
q Belt roller (L) is removed.
q Belt roller (L) is replaced.
1. With 1 fixing screw on the DF support plate * loosened, push the
tension gage to the shoulder screw (M3, 1.4) *
screw when the gauge indicates 200 g.
* Viewed from the front.
Timing Belt
Fixing Screw
Belt Roller (L)
Figure 5-3. Belt Tension Adjustment
Rev. A
2
, then fasten the fixing
DF Support Plate
Shoulder Screw
(M3, 1.4)
200 gf
Tension Gage

5.1.2.4 Magnet Catch Installation Position Adjustment

This adjustment is made to install the magnet catch securely to a proper
position after removing or replacing the magnet catch.
1. Install the ADF to the scanner.
2. With the ADF closed, position the magnet catch so that the gap
between the platen glass on the scanner and each of 2 spacer
rubbers (on the left and right side of the ADF) is 0 - 0.5mm. Then fix
the magnet catches with 2 screws.
M a g n e t C a t c h
P a p e r S t o p p e r
F i x i n g S c r e w s
S p a c e r R u b b e r
M a g n e t C a t c h R e c e i v e r
Figure 5-4. Magnet Catch Installation Position Adjustment
Adjustment
M a g n e t C a t c h
F i x i n g S c r e w s
S p a c e r R u b b e r
M a g n e t C a t c h R e c e i v e r
5-4