T RO U B L E S H O OT I N G

7.1.5 Light Image

• Description

Digital Printer

Digital Printer

Digital Printer

Digital Printer

Digital Printer

The printed image is light, with no ghost.

Check and Cause

 

Solution

 

 

1. Develop roller is stained when the toner

1. Check if the Toner Save mode is off.

of developer cartridge is almost con-

 

 

sumed.

 

 

2. Ambient temperature is below than 10°C.

2.

Replace the developer cartridge and try to

 

 

print out.

3. Bad contact caused by the toner stains

3.

Wait 30 minutes after printer is powered on

between the high voltage terminal in the

 

before you start printing.

HVPS and the one in the set.

 

 

4. Abnormal output from the HVPS.

4. Clean up the contaminated area by the

 

 

toner.

 

5.

Replace the HVPS if the problems are not

 

 

solved by the above four directions.

 

 

 

7.1.6 Dark Image or a Black

• Description

Digital Printer

Digital Printer

Digital Printer

Digital Printer

Digital Printer

The printed image is dark.

 

Check and Cause

 

Solution

 

 

 

1.

No charge voltage in the engine board.

1. Clean the high voltage charge terminal.

 

( Perform DCU diagnostic code 01)

 

 

2.

Charge voltage is not turned on due to

2.

Check the state of the connector which

 

the bad contacts between power supply

 

connects the engine board and HVPS.

 

in the side of the Developer and charge

 

 

 

terminal of HVPS.

 

 

 

 

3.

Replace the HVPS if not solved by the

 

 

 

above direction 1 and 2.

 

 

 

 

Service Manual

Samsung Electronics

7-3

Page 68
Image 68
Samsung ML-1700 specifications Light Image, Dark Image or a Black