Service manual

EPSON LX-300+ Revision A
Operating Principles Printer Mechanism (M-3M10) 52
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.
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.
The table below shows the release detector specifications.
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 46.
Compression spring
Printer mechanism
PF motor
Tractor gear
Release lever
Release
detector
Plain
washer
Paper
advance
reduction
gear
Table 2-13. Release Detector Specifications
Item Specification
Method Mechanical contact method
Switching rate 0.6 to 1.0 mA, 5 VD±5%
Switching mode
• Friction: open
• Tractor: close