The paper appears completely white when printing

The paper appears completely white when printing 1. There is a problem with the scanner, mirror and transfer assembly Check the scanner, reflector and transfer components, and repair or replace them in time. 2. The protective cover is not opened, and the conductive steel sheet of the magnetic roller is not in contact with the […]

The paper appears completely black when printing

1. The corona wire is broken If the corona wire is broken, replace the corona wire. 2. Missing charging roller or poor assembly If the printing is completely black, it may be due to missing charging roller or improper assembly. This is usually caused by poor installation of the toner cartridge after manual removal. At […]

Paper cannot enter the printer

1. Check if the printing paper is wet Sometimes, if the printing paper is damp, the printing will not feed! At this time, dry paper needs to be replaced to print normally. 2. Check the printing paper loading position Check whether the loading position of the printing paper is correct and whether it exceeds the […]

What is the problem of bad printing effect?

Common printing problems of inkjet printers 1 Incomplete and unclear printing -cause of issue: Insufficient supply margin Clogged nozzle -solution: 1. Check whether the supply of consumables is sufficient, if the supply is insufficient, you need to replace the printing consumables; 2. If there is sufficient consumables, the ink cartridges should be cleaned, considering that […]

Toner Cartridge Cleaning And Maintenance

1. First turn off the printer power switch, and unplug the printer from the power outlet. 2. Then open the flip cover of the laser printer, carefully remove the photosensitive drum assembly, wipe the surface with absorbent cotton, but do not use force to prevent scratches on the photosensitive drum surface. 3. Next, wipe the […]

Toner Cartridge Protection Measures

1. Try to use environmentally friendly toner cartridges from regular companies or brands. 2. When you are not sure whether the filled toner is non-toxic, please keep the printer away from the human body and place it in a ventilated place, such as the use of a copier. 3. Try not to fill toner in […]

The harm of toner cartridge

1. Toner components are harmful Generally speaking, in addition to carbon black, iron oxide and polyester, the toner components used in toner cartridges on the market also contain many metal dusts, such as nickel, cobalt, and mercury. These metal dusts are harmful to the human body. , Different products have different contents. 2. Toner contains […]

The reason why the printer does not feed paper

1. Check if the printing paper is wet Sometimes, if the printing paper is damp, the printing will not feed! At this time, dry paper needs to be replaced to print normally. 2. Check the printing paper loading position Check whether the loading position of the printing paper is correct and whether it exceeds the […]