What can i do if the machine is over-heating

If your Toshiba photocopier is not printing in black and white but is printing in color, there are a few possible causes and solutions to try. Here are a few things you can try:

1. Make sure the machine is set to print in black and white. Some photocopiers have a setting that allows you to choose between color and black and white printing. Check the settings on your machine to make sure it is set to print in black and white.
2. Check the toner cartridges. If the black toner cartridge is full but the machine is still not printing in black and white, there may be a problem with the cartridge. Try removing the cartridge and shaking it gently to redistribute the toner inside. Then, clean the contacts on the cartridge and the machine to ensure they are making good contact.
3. Check the fuser unit. The fuser unit is responsible for heating and fusing the toner onto the paper. If the fuser unit is not working properly, it can cause the machine to not print in black and white. Check the fuser unit for any damage or debris, and clean it if necessary.
4. Check for any error messages. If your machine is displaying any error messages, try to troubleshoot the problem based on the specific error message. You may be able to find the meaning of the error message and a solution in the user manual for your machine.
5. If none of these solutions work, you may need to contact Toshiba for technical support or service. They may be able to help you diagnose and fix the problem with your machine.

This is one possibility, but there are other solutions if this don't work.


The black toner is not set message is displayed. The black toner is not set message is displayed even though the black toner is set.
[Cause]
There is a problem with the BCU lift. The communication with the ID chip is faulty.
[Action]
Update the BCU software version to the latest version.

Two options which you may want to try.
1) Use cleaner that you may be able to grab from one of the computer shops and try cleaning out the printhead with it.There is a possibility that the ink has clotted or the printhead itself needs replacing.
2) Try another black cartridge from a similar working printer

Check the drum unit. Rotate the optical cylinder slowly, looking for a scratch or clot of toner on the drum. You may need to clean it with compressed air or VERY gently with alcohol and a cotton ball. If the drum cylinder is clear of defects, check the fuser at the back of the machine for the same. A drum can be cleaned or replaced, a trashed fuser is not repairable. It may also be cheaper to replace the machine than to replace the drum of course.

Your Drum Cylinder has a scratch or clot of toner stuck to it. Every time it rotates along the page (usually 4 rotations per A4) it leaves a copy of the defect on the page. If you take the toner cartidge out of the drum unit, you will be able to turn the drum cylinder until you find the fault. Either replace the drum unit or CAREFULLY clean it with alcohol on a cotton ball (meths or iso propoyl will do) in the case of a toner clot. If the fault recurs quickly after cleaning, then you have a damaged drum and it should be replaced.
Best of luck.

Hello there, i have the same problem here, but in the black
toner, i did the same as you and look that we have a clogged
pump or bad pump, the pump is located exactly where the dev.
unit is, but to remove it we need to take the laser unit from
the top cover where the printed pages stack, i'm going to work
in my printer, i let you now if i'm able to unclogg the pump.
I,m a electronic techniccian for Arcade machines(Namco) is the
first time that i work with a laser printer, the pump price is
$171.00, i let you know. Thanks
Miguel

Sounds like there are multiple problems on this machine. Dirty optics can cause light images, white streaks can be caused by dirty cortron wires(becareful when cleaning the wire or all the wires 3 usually, Q-tip can help) , not enough toner in the ink hopper, dirty cleaning blade in the drum modual. A bad heat roll can cause streaks also. Background with light images and black spots can be caused by competitive toner not working very good.

The fusing unit heat roller is damaged or worn out and it needs to be replaced.The roller has non-sticking teflon coating.When this coating is bad,toner start sticking to it and causing jams and bad copy quality.

Hello sir; This problem caused by fuser roller and presure roller in heating unit, you have to take apart check it out, may be bushing broken.

If the marks on the page appear to repeat three or four times down the page regardless of what is printed, it could be the drum unit ( the unit the cartridge fits into) You can test this by taking the cartridge out of the drum and looking at the cylinder in the drum unit. If has light coloured bands, or looks very black, then it is at or past its life cycle ca20-25k pages. If it has clots of toner stuck to it but is otherwise ok, you could carefully clean it with alcohol and a cotton ball to remove the toner clots. Steady and patient is more rewarding than trying to grind the stuff off. If the drum looks reasonably clean, open the flap at the back of the printer and look closely at the fuser. If there are clots of toner stuck to the orange pressure roller or to the grey/tan fuser roller, then the fuser will need to be taken out and cleaned also with alcohol, cotton ball and much patience.