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Hi paulette, if the light is red and TONER COLORS LED all LEDs off
• The machine is experiencing an error, such as jammed paper, open cover, empty paper, installed waste toner container, or full waste toner container. • The machine is experiencing a service required error, such as LSU error, fuser error, or Contact your sales or service representative.
if the light is red and TONER COLORS LED each LED lights red.
• Each toner cartridge is totally exhausted. You can not print. • Each toner cartridge is wrong.
How do you know it's full? Did you record the copy count when you put the toner in? The only time the copier will indicate that it needs toner is when the developer unit is empty or if the toner sensor is not in contact with toner, you should hear a very high pitch squeal sound coming from the copier. If you are sure you have toner inside the developer unit then the toner sensor is bad. Does shaking the developer unit back and forth a few times help? Maybe the toner has developed a cave inside where the toner is supposewd to be touching the toner sensor.
If the light is a red light with a flash shape then the machine probably has a jam. Look for jams and once you have cleared any jams switch the machine off and then on again. It could be the toner light if there are about six red dots - in this case you need to add toner.
let it run eventually the toner lite will come on, sharp copiers will run an extended period trying to add toner to the developer. developer is 70% iron filings and 30% toner as it uses the toner it cycles more in to stay at the proper level.
Sounds as if it is low on toner.When they run low, the motor will continue to run trying to add more toner.The toner add system is a glorified flour sifter.Eventually it will set the add toner on.Good Luck
if the machine needs toner you will be able to change paper size & reduction but the machine will not come to ready[green ready light lit]. so if the machine keeps running after you turn it on it needs toner. if you leave it on for lets say 15 min. does it give you an add toner light or an error code?
remove the toner bottle, open the back cover and look for the small DIP Switch turn on and off, by doing this you are forcing the machine to come out from add toner condition. Then you do 20 sky shoot.