Printer issue

Jhong

Posts: 40   +0
I have a HP laserjet 4014dn. Only when I print large reports, I get a little bit of black residue on the edge of the paper. I just replaced the maintenance kit, but it only helped alittle. Any suggestions on how I can get rid of it?
 
If Im looking at this right, the printer drum is inside the toner cartridge. I just replaced the toner cartridge.
 
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