Samsung ML-2552W Especificaciones descargar pdf (Pagina 94)

7-3

Samsung Electronics

Troubleshooting

Service Manual

7.1.5 Light Image

• Description The printed image is light, with no ghost.

Digital Printer

Check and Cause Solution

1. Develop roller is stained when the toner

of toner cartridge is almost consumed.

2. Ambient temperature is below than 10°C.

3. Bad contact caused by the toner stains

between the high voltage terminal in the

HVPS and the one in the set.

4. Abnormal output from the HVPS.

(Run self-test and check 1~4)

1. Check if the Toner Save mode is off.

Check if the density is light.

2. No 1 : R

eplace the toner cartridge and try

to print out.

3. No 2 : Wait 30 minutes after printer is pow-

ered on before you start printing.

4. No3 : Clean up the contaminated area by

the toner.

5. Replace the HVPS if the problems are not

solved by the above four instructions.

7.1.6 Dark Image or a Black Page

• Description The printed image is dark.

Digital Printer

Check and Cause Solution

1. No charge voltage in the engine board.

2. Charge voltage is not turned on due to

the bad contacts between power supply

in the side of the Toner cartridge and

charge terminal of HVPS.

3. VD0 signal of the Main PBA is Low state.

1. Clean the high voltage charge terminal.

2. Check the state of the connector which

connects the engine board and HVPS.

3. Replace the HVPS if not solved by the

above direction 1 and 2.

4. Replace the LSU Unit or Main PBA.

1 2 ... 89 90 91 92 93 94 95 96 97 98 99 ... 175 176

Comentarios a estos manuales

Sin comentarios

Samsung ML-2552W Especificaciones Pagina 94

Comentarios a estos manuales

Relacionado con productos y manuales para Software Samsung ML-2552W