Carriage Movement Mechanism - Epson LG1-1070 Service Manual

REV.-B

2.1.2 Carriage Movement Mechanism

A timing belt is connected to the carriage on the lower side. With the printhead installed, this carriage
moves in either direction along the SHAFT, CR, GUIDE. The carriage is driven by the MOTOR, CR a
stepping motor that drives the TIMING BELT via the BELT PULLEY. The DETECTOR ASSY., HP DETECTS
when the carriage is in the home position.
The paper-thickness LEVER, G, ADJUST allows the printer to use different weights of paper (different
thicknesses). The user controls this lever and alters the platen gap on the SHAFT, CR, GUIDE by changing
position. Changing the position of the lever rotates the CHAFT, CR, GUIDE and moves the carriage
its
either toward or away
position or higher slows down the printing speed to protect the printhead. The PG sensor reads the
current position of the paper-thickness LEVER,G,ADJUST.
Figure 2-3. Paper-Thickness LEVER, G, ADJUST Movement
Figure 2-2.
Moving the paper-thickness LEVER, G, ADJUST to the fourth
from the PLATEN.
Left
Movement
ADJUST
ASSY., PLATEN
2-2
SHAFT, CR, GUIDE
BELT PULLEY