Tally Dascom 7010 Series Maintenance Manual page 21

Part name
Front Fixed Sensor
SA, Cover Open Sens
(Top Cover Open Sensor)
Ribbon Encoder (Ribbon
Running Sensor/Ribbon
End Sensor)
Unit, Head
SA, Ope-pane PCB
SA, Main PCB
Unit, Centro PCB
Unit, Power Supply
SA, Connect PCB
SA, Fan
Consists of the transparent sensor and the reflective sensor.
The function is the same as for adjustable sensor except that this
sensor is fixed and does not move.
This sensor is a photo interrupter to detect the top cover open
status.
This sensor is a photo interrupter to detect the ribbon running. It
also detects the ribbon end. (It is a part of the Unit, Frame Ribbon
L)
This is a thermal head consisting of a head driver and thermal
elements. It incorporates a thermistor to detect the thermal head
temperature.
Consists of LCD, LED and switches for operation.
Controls enter printer system.
This PCB is a connector board of the parallel interface.
Converts AC to DC and feeds DC power to the circuits.
This PCB will be used for optional cutter unit and optional peeler
unit.
Cooling fan that rotates during printing.
2-5
2-1. Operation of Each Mechanism
Description