DP4500/3500 TROUBLESHOOTING
5 - 102
December 2000 © TOSHIBA TEC
Defective area
Step
Check Items
Prescription
Exposure lamp and
inverter
Scanner
Condensation of scanner
and drum
Main charger
High-voltage transformer
(Main charger)
CCD, SLG, SYS, LGC
boards and harnesses
1
Does the exposure lamp light?
2
Is there any foreign object on the light path?
3
Is the scanner or drum condensed?
4
Is the main charger securely installed?
5
Check the main charger wire for breaks.
6
Is the output from the high-voltage trans-
former normal?
7
Are the connectors securely connected?
Check if the harnesses connecting the
boards are open-circuited.
Check if the connector contacts with the lamp ter-
minal.
Replace the defective inverter.
Remove it.
Clean the mirrors, lens and drum.
Keep the power cord plugged in.
Install it securely.
Replace it.
Adjust the output or replace the high-voltage
transformer.
Connect the connectors securely.
Replace the harness.
(8) Solid copy
Feeding direction
Содержание DP3500
Страница 91: ...DP4500 3500 PREVENTIVE MAINTENANCE 3 12 December 2000 TOSHIBA TEC ...
Страница 95: ...DP4500 3500 SUPPLIES 4 4 December 2000 TOSHIBA TEC ...
Страница 213: ...DP4500 3500 TROUBLESHOOTING 5 118 December 2000 TOSHIBA TEC ...
Страница 253: ...DP4500 3500 UPDATING THE FIRMWARE 6 40 December 2000 TOSHIBA TEC ...
Страница 254: ...December 2000 TOSHIBA TEC 7 1 DP4500 3500 WIRE HARNESS CONNECTION DIAGRAMS 7 WIRE HARNESS CONNECTION DIAGRAMS ...
Страница 256: ...DP4500 3500 WIRE HARNESS CONNECTION DIAGRAMS 7 4 December 2000 TOSHIBA TEC ...