Carriage Operation; Carriage Mechanism; Carriage Motor Specifications - Epson L-1000 Technical Manual

REV.-A

2.2.5 Carriage Operation

This section describes the carriage.

2.2.5.1 Carriage Mechanism

The carriage mechanism includes the printhead, the carriage, the timing belt, the carriage motor, and the platen.
Figure 2-32 shows the carriage mechanism.
The timing belt is connected into the bottom of the carriage. This belt is driven by the carriage motor and moved
via the belt-driven pulley. The printhead is mounted on the carriage, and the entire unit is moved right and
left along the carriage guide shaft and plate.

2.2.5.2 Carriage Motor Specifications

Carriage motor specifications are as follows:
Type
Drive Voltage
Coil Resistance
Current
LQ-500/ L-1000
Figure 2-32. Carriage Mechanism
4-phase, 48-pole stepper motor
24 V f 10%
7%
21 ohms f at 25 degrees C
Maximum 0.34 A (rush current)
Driving: 0.3 A (typical) (triple speed, 24 V)
0.23 A (typical) (double speed, 1.5 speed, normal speed, 24 V)
Holding: 0.17 A f 20%
PRINCIPLES OF OPERATION
2-31