12A Toner refilling problems
1. back side black bands - PCB roller ( Black rubber rod replace )
2. horizontal lines - Drum replace ( wide horizontal lines )
3. black shade along with print - PCB roller ( Black rubber rod )
4. verticial line side of the paper - Drum replace
5. place paper out - small spring from not present
6. miss print in between or dim print - magnatic rod copper wire not circular rotation
7
1. back side black bands - PCB roller ( Black rubber rod replace )
2. horizontal lines - Drum replace ( wide horizontal lines )
3. black shade along with print - PCB roller ( Black rubber rod )
4. verticial line side of the paper - Drum replace
5. place paper out - small spring from not present
6. miss print in between or dim print - magnatic rod copper wire not circular rotation
7