Action: Replace the DC controller PCB.
VI-12. "14.1 ERROR AUX TRAY CALL FOR SERVICE" Lifting plate failure
<Possible causes>
1. Lifting plate drive unit parts are damaged.
Action: Replace any damaged parts.
2. The lifting plate position sensor is defective.
Action: Check the sensor state using the printer driver tester. If it is defective, replace the
multi-purpose tray PCB.
3. The lifting plate solenoid is defective.
Action: Disconnect lifting plate solenoid connector J1302. Measure the resistance between
connector J1302-1 and J1302-2 on the cable side. If it is not about 160, replace
the lifting plate solenoid.
4. The DC controller PCB is defective.
Action: Replace the DC controller PCB.
VI-13. "TONER CARTRIDGE MISSING" message appears when it is installed
<Possible causes>
1. The developing bias contact of the high-voltage power supply is not making a good connec-
tion with the cartridge contact.
Action: If the contacts are dirty, clean them. If the problem continues after cleaning, or
parts are deformed or damaged, replace them.
2. Defective cartridge
Action: Replace the cartridge.
3. The high-voltage power supply PCB is defective.
Action: Replace the high-voltage power supply PCB.
4. The DC controller PCB is defective.
Action: Replace the DC controller PCB.
VI-14. "LOAD <MEDIA> <SIZE> IN MPT" message appears when the specified sized paper
is in the multi-purpose tray
<Possible causes>
1. Damaged paper detection lever
Action: Replace the defective lever.
2. Defective multi-purpose tray paper sensor
Action: Replace the multi-purpose tray PCB.
3. The DC controller PCB is defective.
Action: Replace the DC controller PCB.
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CHAPTER 4