Release Mechanism; Other Special Functions; Energy Saving Mode; Quiet Mode - Epson LQ-300 + Service Manual

EPSON LQ-300+

2.2.6 Release Mechanism

This mechanism switches the flow of PF motor driving forth between to the friction
feed and to the tractor feed.
Compression spring
Printer mechanism
Figure 2-6. Release Mechanism
Release mechanism consists of the following.
Release lever:Shifts tractor low speed gears back and forth.
Tractor gear
Paper advance reduction gear:Transfers the PF motor driving forth to the tractor
gear.
Release detector (REL): Detects the release lever position.
Operating Principles
Tractor gear
Plain
Release lever
washer
Release detector
Paper
advance
reduction
gear
PF motor
Printer Mechanism
The table below shows the release detector specifications.
Table 2-13. Release Detector Specifications
Item
Method
Switching rate
Switching mode

2.2.7 Other Special Functions

2.2.7.1 Energy saving mode

This function saves electric consumption when the printer is in the standby mode. This
mode turns hold current of PF motor, CR motor and CS motor OFF.

2.2.7.2 Quiet Mode

Quiet mode lowers printing temperature. When this mode is selected, carriage speed
will be lowered to the power down mode speed. Refer to Table 2-4, "Carriage Speed
Mode," on page 35.
Revision C
Specification
Mechanical contact method
0.6 to 1.0 mA, 5 VD±5%
• Friction: open
• Tractor: close
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