What you share is what you get
polytek posted an answer for this Ricoh Compatible 4 Color Set Aficio MP C2050 Gestetner MP C2030 MP C2050 Savin C9020 Savin C9025 Lan:
"tthe machine can do autocalibrattion, see the video"
polytek posted an answer for this Brother MFC-J220 All-in-One Color Inkjet Printer - Black 2766220:
"change your print head, and the printer will work perfectly. when changing print head..."
"just replace the cmos battery, if you do not know how, take it to the shop of repairing"
120,807 people helped