05/2014
2-81
DC SC2020
Troubleshooting
CHAIN 71
Version 1.1
071-105 Regi. Sensor On Jam (Tray 1)
BSD-ON:CH8.3,CH4.2,CH8.1
During paper feed from Tray 1, the Regi Sensor did not turn ON within the specified time after the Tray 1
Feed Clutch On.
Cause/Action
Check the following:
• Malfunction of Regi. Sensor (Digital Input[077-104]). (PL 15.1)
• Malfunction of Sub Motor (Digital Output[042-003]). (PL 3.4)
• Malfunction of Tray 1 Feed Clutch (Digital Output[071-001]. (PL 3.3)
• The Feed Roll for contamination, wear, and transportation failure due to deterioration.
• The Drive Gear for wear and damage.
• A paper transportation failure due to foreign substances on the paper path.
• Usage of out of spec paper.
If no problem is found, replace the following parts in sequence:
• DRIVE PWB (PL 18.2)
• ESS PWB (PL 18.2)
071-211 Tray 1 Sensor Fail
BSD-ON:CH7.1
When A/D value of Sensor malfunction is displayed 5 consecutive times in 100ms cycle.
Cause/Action
Check the following:
• Turn the power OFF and ON.
• Malfunction of Tray 1 Size Sensor (Analog Input[071-200]/Digital Input[071-104]). (PL 9.1)
If no problem is found, replace the following parts in sequence:
• DRIVE PWB (PL 18.2)
• ESS PWB (PL 18.2)
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