HP LaserJet 4250 - Manual (Page 159)

● Try a different brand of paper.
● Do not print on both sides of envelopes or transparencies. (See Printing envelopes or
Printing on transparencies .)
● Print only on full sheets of labels and do not print on both sides of label sheets. (See
Printing on labels .)
● Check that the power supplied to the printer is steady and meets printer specifications.
(See
Electrical specifications .)
● Clean the printer. (See Cleaning the printer .)
● Perform preventive printer maintenance if maintenance is due. See Loading staples .
ENWW Clearing jams 147