Carriage Drive Mechanism; Home Position Sensor - Epson LX-1050+ Service Manual

LX-1050+ Service Manual
Drive Mechanism
2.2.2 Carriage
The carriage mechanism includes the printhead, the carriage, the timing belt, the carriage motor,
and the platen.
The timing belt is connected to the bottom of the carriage. The belt is driven by the carriage motor
and moved via the beltdriven pulley. The printhead is mounted on the carriage, and the entire
unit is moved right and left along the carriage guide shaft and plate.
Carriage motor specifications are as follows:
4-phase, 48-pole step motor
Type:
24 V k
Drive Voltage:
11 G2 k
Coil Resistance:
Current Driving: 0.36 A * IO%(Typical) (Draft Printing)
0.28 A * IO%(Typical) (NLQ Printing)
Holding: 0.09 A f IWO
Home
Position Sensor
2.2.2.1
Following figure shows the home position sensor. The sensor switch is ON when
the home position.
Figure 2-4. Home Position Sensor Mechanism
Rev. A
MY/o
25°C
at

Carriage Drive Mechanism

Figure 2-3.
Left
Operating Principles
the carriage is at
2-3