11-8 Phaser 7500 Printer Service Manual
Reference
Tray 3 Sensors Size Sensor is <value>
No Paper is H | L
Nudge Position is H | L
Feed Out is H | L
Size SW5 is H | L
Normal range for value is 0 - 247.
Size SW repeats 5 times to display
each switch.
Tray 4 Sensors Size Sensor is <value>
No Paper is H | L
Nudge Position is H | L
Feed Out is H | L
Size SW5 is H | L
Normal range for value is 0 - 247.
Size SW repeats 5 times to display
each switch.
Tray 5 Sensors Size Sensor is <value>
No Paper is H | L
Nudge Position is H | L
Feed Out is H | L
Size SW5 is H | L
Normal range for value is 0 - 247.
Size SW repeats 5 times to display
each switch.
ATC Sensors ATC Y Sensor is <value>
ATC M Sensor is <value>
ATC C Sensor i s <value>
ATC K Senso r is <value>
Normal ranges of values for YMCK
ATC sensors is 100 - 1000.
NOHAD ENV Sensor NOHAD Sensor is nn.n deg.C
(<value>)
Normal temperature range is -24 to
107 deg C. Value in parenthesis is
the corresponding A/D value.
Normal range is 869 - 50. -30.0
indicates a failed sensor.
Fuser NC Center
Sensors
Fuser Inf is <value>
Fuser Comp is <value>
Fuser Diff is <value>
Fuser Temp is <value>
Normal is 1019 (low) to 150 (high)
Normal is 1019 (low) to 130 (high)
Normal is -32 (low) to 1024 (high)
Translated value implies degrees C
This test reads the A/D values for
the selected Fuser component. The
values are not translated to deg C.
Fuser STS Rear Sensor Fuser Rear is <value> This test reads the A/D value of the
rear temperature sensor. Normal is
1018 (low) to 1024 (high).
Motors/Fans Tests - Tests the motors and fans one at a time.
Main Motor Main Motor is Off | On
Turn Motor On | Off
All Motors Off
Audible verification of motor
function.
IBT Belt Motor IBT Belt Motor Off | On Audible verification of motor
function.
BTR 1/2 Contact
Retract
BTR 1 Contact
BTR 1 Retract
BTR 2 Contact
BTR 2 Retract
Audible verification of motor
function. First and second Bias
Transfer Roller retraction.
Duplex Motor Duplex Motor On | Off Audible verification of motor
function.
Service Diagnostics Tests and Utilities (Continued)
Tes t Control Panel Display and Test Definition
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