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e-STUDIO520/600/720/850 TROUBLESHOOTING
March 2005 © TOSHIBA TEC
5 - 132
7) Blank copy
Fig.5-7
Defective area
Step
Check items
Prescription
Bias supply connector
1
Is the connector inserted properly?
Insert the connector properly.
High-voltage transformer
(Transfer charger, Devel-
oper bias)
2
Is the high-voltage transformer out-
put defective?
Replace the transformer.
3
Are the connectors of the high-volt-
age harness securely connected? Is
the harness open circuited?
Reconnect the harness securely.
Replace the high-voltage harness.
Developer unit
4
Is the developer unit installed prop-
erly?
Check and correct the engaging con-
dition of the developer unit gears.
5
Do the developer sleeve and mixers
rotate?
Check and fix the drive system of the
developer unit.
6
Is the developer material smoothly
transported?
Remove the foreign matter from the
developer material.
Drum
7
Is the drum rotating?
Check the drive system of the drum.
CCD, SLG, SYS, LGC
boards and harnesses
8
Are the connectors securely con-
nected?
Check if the harnesses connecting
the boards are open circuited.
Connect the connectors securely.
Replace the harness.
Feeding direction
Содержание E-STUDIO520
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Страница 288: ...e STUDIO520 600 720 850 ADJUSTMENT March 2005 TOSHIBA TEC 3 88 ...
Страница 309: ...March 2005 TOSHIBA TEC e STUDIO520 600 720 850 PREVENTIVE MAINTENANCE PM 4 21 4 Fig 4 11 Finisher MJ 1027 1028 P1 P2 ...
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Страница 586: ...e STUDIO520 600 720 850 DATA CLONING with USB STORAGE DEVICE March 2005 TOSHIBA TEC 9 22 ...
Страница 588: ...e STUDIO520 600 720 850 WIRE HARNESS CONNECTION DIAGRAMS March 2005 TOSHIBA TEC 10 2 ...
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