Oki C7500n Maintenance Manual page 139

A
Paper thickness error (Err Code 323, 324)
• Is the sensor connector connected?
NO Connect the connecter.
M •
YES Is the sensor cable disconnected?
NO Replace the cable.
M
• YES Is +5V output to the PU board REG 13pin?
NO Replace the PU board.
M •
YES IS GND connection made to the PU board REG 15pin?
NO Replace the PU board.
M •
YES Is pulse signal 5ms ON 10% Duty output to the PU board REG 16pin?
(Disabled on field due to sync usage.)
NO Replace the PU board.
M
• YES Turn ON the power and check the media thickness. Is the error released?
NO Replace the sensor.
M •
YES: End.
41955801TH Rev.8
Oki Data CONFIDENTIAL
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