Hi – my brother is making troubles 
After numerous runs of the print head/nozzle cleaning program of the printer, the print quality check sheet still shows fuzzy lines magenta (M) block:
Have you come across this problem before and what could be broken? Thank you in advance for your insight.
After numerous runs of the print head/nozzle cleaning program of the printer, the print quality check sheet still shows fuzzy lines magenta (M) block:Have you come across this problem before and what could be broken? Thank you in advance for your insight.