Questions & Answers for: Sharp hot rollers

sharp al-1644 Hi We are getting an H4 error H4 is a fuser roller heating issuse. The temperature isn't hot enough. May need new fuser roller assambly or a thermistor.

...2. If the error still displayed, open the side cover, feel the fusing unit ( don't touch, it is hot ), if the fusing unit feels cold then the problem is the heater lamp ( inside the upper heater ...

...hot rollers at the exit end of the copier is dirty or need replacing. Or the drum has a cleaning blade on it that needs replacing. If you look at the drum and see if toner is still on the drum if so ...

...hot part) Look inside, you will be looking for about 4-6 scrapers, they should look like a birds beak (kinda) See if you can remove the one causing the problem, if not, get the copier to jam up then ...

...rollers as well and when I installed on the machine it bacame so hot it rip off the skin of the lower roller and stick it to the upper roller damaging both rollers. I cheked the the temperature ...

...rollers which are the ones that get hot. The lower one is an orange rubber roller and the upper one is a greyish aluminum. The upper one should have a gear on the back or rear side which drives the 2 ...

...hot - take care), examine the pressure roller to see if it has the balance required of it and the 2 bearings holding the top teflon roller in place.Lubricate the 2 bearings and the collar or bushing ...

code 4 and H blinking The lamp in the fuser (hot roller) unit has probably burned out. The code is H-4

AR-5320 PHOTOCOPIER IS SWITCHED ON THE ERROR CODE 4H APPEARSAND THE MACHINE CANNOT BE OPERATED. IT IS VERY URGENT.... The code is H4. The heating element in the fuser (hot roller) section is not ...

how do I fix the error code H4 that blinks continually on the display pane of my copier SF-750 I have actually not used the copier for sometime, but as I decided to use the equipment again, it keeps ...