What are the smudges and spots?
The repeated smudges and spots on the printouts with traceable patterns are also called sticking issues.
What causes the smudges and spots?
During the imaging process, toner passes through different parts of the printer. However, if toner sticks and accumulates to the parts incorrectly, it will be transferred to the printout as the smudges and spots. Several reasons will result in the toner adhesion on the parts including bigger/ heavier toner particles, high humidity, and so on. The toner sticking usually happens on OPC, PCR, and fuser.
How to distinguish OPC, PCR, and fuser sticking?
If the smudges and spots result from OPC, PCR, or fuser sticking, they will regularly and repeatedly appear on the printouts. With the pictures below, we can see that the diameters of OPC, PCR, and fuser rollers are different. Therefore, we can figure out the position of the sticking by measuring the distance between repeating smudges. For example, the diameter of PCR is 1.5 cm. 1.5 times 3.1416 (PI, or circumference) is 4.71. If the distance between repeating smudges is 4.71cm, it is distinguished as PCR sticking.
Cartridge Web runs printing tests of more than half or even complete drum life to ensure consistent quality and compatibility with OEM consumables during the development. Choose Cartridge Web products, to prevent you from facing sticking issues. Feel free to contact us for more information regarding high-quality products.