119
1.
Introduction
• Information required for troubleshooting and steps that must be performed are described
in this chapter.
1-1.
Checking the electrical components
• If a paper misfeed or malfunction occurs, perform the following operation to check the
condition of the electrical components.
(1)
Sensor
(2)
Switch
Step
Check
Result
Remedy
1
Does the input signal of the master board change (H
→
L,
L
→
H) when the sensor light is interrupted?
NO
Replace the sensor.
YES
Replace the master
board.
Step
Check
Result
Remedy
1
Does the input signal (NO) of the master board change from
L to H when the switch is turned on?
NO
Replace the switch.
YES
Replace the master
board.
4025T521AA
4025T520AA
4025T523AA
Not Use
COM
NO
Содержание magicolor 2300 Series
Страница 1: ...magicolor 2300 Series Service Manual 1750058 001A...
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Страница 7: ...7 SAFETY...
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Страница 23: ...23 GENERAL...
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Страница 33: ...33 MECHANICAL ELECTRICAL...
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Страница 75: ...75 DISASSEMBLY ASSEMBLY 19971...
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Страница 107: ...107 CONTROL PANEL SER VICE MODE DESCRIPTIONS...
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Страница 117: ...117 TROUBLESHOOT ING...
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Страница 128: ...128 3 Replace PWB A...
Страница 139: ...139 INDEX...
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