LX-300+/1170
Revision C
Operating Principles
Printer Mechanism
55
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.
o
Release lever:Shifts tractor low speed gears back and forth.
o
Tractor gear
o
Paper advance reduction gear:Transfers the PF motor driving forth to the tractor
gear.
o
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 49.
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
Содержание LX-1170
Страница 1: ...EPSONLX 300 1170 9 pin Serial Impact Dot Matrix Printer SEDM997003 SERVICE MANUAL LX 300 LX 1170 ...
Страница 8: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Страница 44: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Страница 60: ...C H A P T E R 3 TROUBLESHOOTING ...
Страница 69: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Страница 89: ...LX 300 1170 Revision C Disassembly and Assembly Disassembly and Assembly 89 ...
Страница 90: ...C H A P T E R 5 ADJUSTMENT ...
Страница 98: ...C H A P T E R 6 MAINTENANCE ...
Страница 103: ...C H A P T E R 1 9 7 APPENDIX ...
Страница 112: ...LX 300 1170 Revision C Appendix Component Layout 112 C294 MAIN B BOARD Figure 7 3 Component Layout C294 MAIN B Board ...
Страница 114: ...LX 300 1170 Revision C Appendix Component Layout 114 C294PNL BOARD Figure 7 6 Component Layout C294PNL ...
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