In our daily use of printer toner cartridges, we will encounter various problems. Today we summarize 6 common problems with toner cartridges and their solutions as below:

Defect 1: Regular black blocks and black spots (as shown below)

image of regular black blocks on the manuscript

Problem: There are regular black blocks on the manuscript (see the figure above).

Cause:
1. There are impurities or glue on the Primary Charge Roller.
2. The primary charging roller is damaged.

Solution:
1. Clean the charging roller
2. Replace

 

Defect 2: Regular blurred and blank handwriting

image of Regular blurred and blank handwriting

image of The overall printed manuscript is blurred

Problem: The overall printed manuscript is blurred.

Cause:
1. The transfer roller is dirty or aged.
2. The doctor blade is bad.
3. The magnetic roller is severely worn or other accessories are worn.

Solution:
1. Clean or replace the transfer roller.
2. Replace the doctor blade.
3. Replace the magnetic roller or toner cartridge.

 

Defect 3: Powder scattering

image of irregular vertical black spots appear on the printed manuscript

Problem: Powder scattering (irregular vertical black spots appear on the printed manuscript)

Cause: The blade of the waste toner bin or the toner bin is wrinkled or deformed.

Solution: Correct the blade or replace it.

 

Defect 4: Vertical Missing Print

image of Vertical missing print

Problem: Vertical missing print (printed product cannot be printed vertically).

Cause:
1. The laser is partially blocked or there is foreign matter in the magnetic roller sleeve.
2. The reflector is dirty or the transfer assembly is defective.

Solution:
1. Check the protective cover refraction rod or clean the magnetic roller sleeve.
2. Clean the reflector.

 

Defect 5: Horizontal Missing Print

image of Horizontal Missing Print

Problem: Horizontal missing white stripes (printed product cannot be printed horizontally).

Cause:
1. The photosensitive drum coating or drum gear is defective.
2. The magnetic roller runout is too high.

Solution:
1. Replace the OPC drum.
2. Check and clean the magnetic roller sleeve or replace the small size magnetic roller sleeve.

 

Defect 6: Vertical Stripes

image of Vertical Stripes

Problem: Vertical stripes (vertical continuous or intermittent stripes appear on the printed product).

Cause:
1. The toner on the doctor blade sticks to the blade.
2. The rubber strip of the doctor blade is broken or aged.

Solutions:
1. The doctor blade is made of steel and can be disassembled for cleaning;
2. The doctor blade is made of rubber and needs to be replaced

The above are the 6 common problems with toner cartridges. Have you encountered other problems? Welcome to leave a message in the comment area and let’s discuss it together.