The indicator light does not light up after the printer is powered on. What is the reason?

There are many reasons why the indicator light does not light up after the printer is powered on. First, check whether the AC voltage input is normal, and you can find out by checking the power signal line. Then check whether the fuse of the printer power board is blown; if it is blown, replace the  … View >>>

When performing a print task, the three red lights of the printer have been turned on, but printing has not continued. What is the reason?

In this case, the printing paper may not enter, or the IC has burned out. At this time, you can feed paper to the printer by hand to see if it can print. If it can't, the printer IC may be burned out. It is best to ask professional printer maintenance personnel to repair it. … View >>>

The printer is abnormal during online printing. What is the reason?

First, check whether the "online" light is on or not; if it doesn't, press the "online" button. Check whether the printer is connected to the computer again, and check both ends of the cable connecting the printer to the computer. Check whether the parallel port LPT settings are correct, and check w … View >>>

After turning on the printer, there is no response and the printer is not powered on at all. What is the reason?

The printer has an over-current protection device, which will play a role in current protection when the current is too large. In this case, the fuse of the printer may be burned out.Open the case and find the fuse in the internal power supply of the printer (the internal power supply can be found n … View >>>

The printer used to work normally, but when printing recently, the paper suddenly stopped feeding. What is the reason?

There are several reasons why the printer does not feed paper:1. The paper is severely curled or folded.2. The storage time of the printing paper is too long, causing the printing paper to become damp.3. The loading position of the printing paper is not correct, and it exceeds the arrow mark on the  … View >>>

The panel settings of the printer do not match the print results. How to solve this?

The operation panel of some printers is very powerful, and almost all functions of the printer can be realized. If it is found that the printer result is different from the panel setting, it may be caused by the difference between the software setting and the panel setting, and the software setting  … View >>>

When the inkjet printer is used, paper jams often occur during printing, and the paper cannot be automatically output when the paper is caught in the printer.

If the inkjet printer has a paper jam, you can use the following methods to solve it:1. Slowly pull out the jammed paper from the paper feeder or the paper output slot, and choose the easier end to take it out.2. If the paper is torn and there are paper scraps left in the printer, you can open the f … View >>>

The printer found many toner stains on the printed paper when printing.

You can wipe the paper path inside the printer with a dry and clean soft cloth to remove the toner left in the paper path; print a 3-page document with only one word per page to clean the internal parts of the printer; choose high-quality printing paper; if the problem persists, the toner cartridge  … View >>>

When the printer was printing recently, it was found that the back of the printed paper was stained. What is the reason?

Contamination on the back of the printed sample may be caused by the following reasons:1. Toner leaked from the developer or cleaner, and spilled on the paper path, causing the back of the paper to be contaminated.2. The heating roller is poorly cleaned, and the toner is stained on the lower pressur … View >>>