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.
1. Develop roller is stained when
the toner of toner cartridge is almost
consumed.
Check if the Toner Save mode is off.
Replace the developer cartridge
and try to print out.
Wait 30 minutes after printer is
powered on before you start printing.
1. Clean up the contaminated area
by the toner.
2. Replace the HVPS if the
problems are not solved by the
above four directions.