What makes the hp printer not printing black?
- ∅Lv 79 months ago
you know, asking 12 times won't get you better answers...
- Higgy BabyLv 79 months ago
I have the HP Laser Jet Pro..... On occasion I'll have to pull out the black toner cartridge and shake it.
I have used this thing for years.....I have only replaced the black cartridge once, none of the others.
- JetDocLv 79 months ago
Is it out of black ink?