A-20 Phaser 7400 Color Printer Service Manual
Belt Hole IC Belt Hole is On/Off Transfer Belt Rotation Sensor.
Actuate the Hall-effect sensors by
placing a magnetic source near the
sensor.
Waste Toner
Box Hole IC
Waste Toner Box Hole IC is On/Off Waste Toner Reservoir Auger
Rotaion Sensor. Actuate the Hall-
effect sensors by placing a
magnetic source near the sensor.
Waste Toner
Hole IC
Waste Toner Hole IC is On/Off Waste Toner Auger Rotation
Sensor. Actuate the Hall-effect
sensors by placing a magnetic
source near the sensor.
Clutch Tests - Tests the functionality of the clutches by activating one component at a time.
Test runs for 10 seconds or until the test is aborted.
Tray 3 Feed Clutch is On/Off Listen for the clutch to engage.
<Press Back or Cancel to abort>
<Auto abort in 10 seconds>
Tray 4 Feed Clutch is On/Off
Tray 5 Feed Clutch is On/Off
Tray 6 Feed Clutch is On/Off
Reg Roller A Clutch is On/Off
Solenoid Tests - Tests the functionality of the solenoids by activating one component at a time.
Test runs for 10 seconds or until the test is aborted.
Registration
Shutter
Shutter is Open/Closed
Listen for the click.
<Press Back or Cancel to abort>
<Auto abort in 10 seconds>
Exit Gate Solenoid is On/Off
Face-Up Gate Solenoid is On/Off
Service Diagnostics Tests and Utilities (Continued)
Menu Item Front Panel Display Results Functional Definition