Introduction, 1. electrical components check procedures, 1) sensors – Konica Minolta PagePro 1390 MF User Manual
Page 111
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T-1
1.
INTRODUCTION
• This chapter discusses the items required or used when troubleshooting various printer
problems.
1-1.
Electrical Components Check Procedures
• The following procedures can be used to check to see if an electrical component is fully
operational when a media misfeed or a malfunction occurs in the printer.
(1)
Sensors
Step
Check
Result
Action
1
Does the input signal to the Controller/Mechanical
Control Board go from HIGH to LOW, or vice versa,
when the sensor is blocked?
NO
Replace the sensor.
YES
Replace the
Mechanical Control
Board.
4025T520AA
4025T521AA
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