Chapter 2
2-15
F-2-13
h) Multi Sensor
A photo reflective type multi sensor consists of three red LEDs, one red/blue/green LED array, and three light receiving sensors and is used for media end, skew,
and width adjustment, registration adjustment, head height adjustment, and print position adjustment.
The multi sensor reference has three white plates attached to it, so that a reference value can be calculated during carriage height measurement by measuring the
intensity of light reflected upon the white plates.
(Service mode: SERVICE MODE>ADJUST>GAP CALIB.)
i) Shaft cleaner units
The shaft cleaners mounted at the left and right of the carriage are used to clean the carriage and apply oil to the shaft.
j) Internal temperature detection
A themistor for measuring the internal temperature is mounted on the carriage PCB on the rear of the head holder.
Linear Encoder Sensor
Lift Cam Sensor
Linear Scale
Lift Drive Unit
Multi Sensor Reference
Head Management Sensor
Shaft Cleaner
Shaft Cleaner
Multi Sensor
Carriage PCB
Summary of Contents for iPF671
Page 1: ...Dec 17 2014 Service Manual iPF680 670 650 series iPF671 ...
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Page 11: ...Chapter 1 PRODUCT DESCRIPTION ...
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Page 133: ...Chapter 4 DISASSEMBLY REASSEMBLY ...
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Page 192: ...Chapter 4 4 56 2 Shaft Cleaner 1 F 4 118 1 1 ...
Page 193: ...Chapter 4 4 57 3 Upper Cover Hinge Catch 1 Roll Cover Slide Guide 2 F 4 119 2 1 ...
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