Tektronix PHASER 560 Service Manual page 8

6 Troubleshooting
System power-up sequence 6-1
Print engine troubleshooting 6-2
Testing the print engine 6-2
Verifying printer operation by using its self-test print 6-3
Verifying power supply operation 6-3
Media jams and the paper path 6-7
Media-based problems 6-7
Jams 6-9
Other problems 6-13
Error messages 6-17
Print engine error codes 6-17
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Measuring power supply voltages 6-3
Inspecting the power supply fuses 6-4
Safety interlocks 6-5
Testing for a shorted motor 6-6
Media problems 6-7
Multiple-sheet pick 6-7
The media skews passing through the paper path 6-8
Paper tray indicates empty when it is not 6-8
No paper feeder installed 6-9
No imaging unit installed 6-9
Paper mis-picks at the paper tray 6-9
Paper jams midway in the paper feeder 6-10
Paper jams at the second bias transfer roller 6-10
Fuser jams 6-11
Eject jams 6-12
Multi-purpose tray feed jams 6-12
The printer continuously displays "Initializing" 6-13
No toner cartridge installed when it is 6-13
No fuser installed when it is 6-14
No fuser roll installed when it is 6-14
Front door open when it is closed 6-14
Left-side door open when it is not 6-15
High temperature error 6-15
Low temperature error 6-15
High voltage error 6-16
Thermistor open error 6-16
Front panel cycling between READY and WARMING UP 6-16
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