Fuji Xerox DocuCentre SC2020 Service Manual page 103

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]).
• Malfunction of Sub Motor (Digital Output[042-003]).
• Malfunction of Tray 1 Feed Clutch (Digital Output[071-001].
• 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]).
If no problem is found, replace the following parts in sequence:
• DRIVE PWB (PL 18.2)
• ESS PWB (PL 18.2)
Version 1.1
DC SC2020
(PL 15.1)
(PL 3.4)
(PL 3.3)
(PL 9.1)
05/2014
2-81
CHAIN 71
Troubleshooting