Konica Minolta 0902, Руководство по обслуживанию

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Chapter 5 Disassembly and Assembly
5-87
5.8.2 Replacing the Detach Detection Sensor (Lower)
This section describes the instructions on how to replace the detach detection sensor (lower).
Work outline
Listed below are the number of people and the rough standard of work hours required for performing the
works described in this section.
Requirements
Shown below are the tools requiring to be prepared in addition to the standard tools before performing the
works in this section.
1
See " Removal Procedures (Page 5-11)" in "5.2.5 Removing/Installing the Optical Unit" to
remove the optical unit.
Place the removed optical unit in a level and stable place with the light condensing unit up.
2
Open the number 2 eraser cover.
•
1 screw
3
See "5.8.3 Replacing the Detach Detection
Roller" to remove the detach detection roller.
4
Cover the optical unit with a vinyl sheet to screen
out dust on it.
5
Unplug the cable from the detach detection
sensor (lower).
•
Connector (JP55)
6
Remove the setscrew from the sensor mount
board.
•
1 hex/Phillips-head screw (M3 x 10)
Caution
•
Be sure to turn off the power supply circuit breaker and unplug the power cable from the
equipment whenever you disassemble/assemble the equipment.
•
Be careful when handling the optical unit not to send a shock wave to it, that is composed
of precision parts.
Personnel
Number
Work Hours (steps 2 to 14)
1
No. Tool No. Tool
1 Detach detection unit adjusting jig
(Adjustment block, sensor status detection
jig) 2 Vinyl sheet (used for covering the light
condensing unit to screen out dust on it)
JP55
Sensor Mount Board