Xerox DOCUPRINT N17 Service Manual page 271

6 Each of the gears of the Drive Assembly functions normally.
NOTE: This can be inspected while performing Diagnostic Mode 1 - Main Motor.
Y: Replace the Paper Handling Solenoid Assembly.
N: Replace the Main Motor Assembly or the Drive Assembly.
7 There seems to be nothing wrong with paper fed into the inlet between the Chute Bottom and the
Chute Inlet.
Y: Go to step 8.
N: Check for obstructions in the chute. If okay, replace the Chute Inlet Assembly.
WARNING! Do not touch the HVPS and its associated parts which emit high voltages.
8 Ensure the Registration Sensor Actuator uncovers the sensor when it detects the presence of a
sheet and covers it when no sheet is present.
NOTE: This can be inspected by performing the Diagnostic Mode 1, Sensor Input Test.
Y: Go to step 9.
N: Go to RAP 7.4.11 Registration Sensor Failure.
9 Ensure the drum shutter opens as the EP Cartridge is installed.
Y: Go to step 10.
N: Replace the EP Cartridge.
NOTE: Insert the EP Cartridge. The Drum Shutter Lever opens the Drum shutter on the EP Cartridge.
10 Bias Transfer Roll (BTR) Assembly is turning properly.
NOTE: Open the Front Cover and remove the EP Cartridge. This can be inspected by pressing the
Interlock Switch. Conduct a visual inspection.
Y: Go to step 11.
N: Replace or clean the BTR Assembly.
11 The BTR Chute Assembly is dirty or stained.
Y: Replace or clean the BTR Assembly.
N: Go to step 12.
12 The Heater Roll and the Pressure Roll are functioning properly.
NOTE: Open the Front Cover and cheat the Front Cover interlock. The Heater Roll and Pressure Roll
can be inspected while performing Diagnostic Mode 1, Main Motor.
Y: Go to step 13.
N: Replace the Fuser Assembly.
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7-21 Repair Analysis Procedures (RAPs)