Line issue in hp mfp E57540

hii friends this video will know you how to diagnose line issue in hp mfp E-57540 and relevant hp colors machine.If you like this video please like and subscribe my youtube channel for more useful videos.Thank you. –––––––––––––––––––––––––––––– Track: Moment — Amine Maxwell [Audio Library Release] Music provided by Audio Library Plus Watch:    • Moment — Amine Maxwell | Free Background M...   Free Download / Stream: https://alplus.io/moment ––––––––––––––––––––––––––––– #hpcolorsmachine #hp67660 #hp