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Chapter 2 Operating Principles
2-1. Operation of Each Mechanism
CL-S700/CL-S703/CL-S700R 2-10
2-1-5. Print Head Up/Down Detection Mechanism
The component of the print head up/down detection mechanism is as follows:
(a) SA, Head Up SW
The print head up/down detection mechanism detects the up (open)/down (close) status of the
head block.
When the head block is in the up position, the switch lever of the “SA, Head Up SW” is released
and the switch turns OFF. While, the head block is in the down position, it is pushed by the head
block and the switch turns ON.
The CPU on the Main PCB detects up or down position of the head block by sensing the switch
output of the “SA, Head Up SW”. When the head block is in the up position, the ERROR LED
blinks and the LCD displays “ERROR HEAD OPEN” on the operation panel.
Head Block
Switch OFF
Head Block
[Rear View]
Switch ON
SA, Head Up SW