76 Troubleshooting Colors Are Uneven or StreakedPaper is curled. For Plain PaperTurn the paper over and reload it to print on the other side.Leaving the paper loaded in the Rear Tray for a long time may cause the paperto curl. If this happens, load the paper with the other side facing up. It mayresolve the problem.We recommend putting unused paper back into the package and keep them ona level surface.For Other PaperIf you are using paper with either any of the corners or the whole printingsurface curled, the paper may become dirty, not feed properly, or both. Usesuch paper after correcting paper curl as follows.(1)With the printing side (A) facing up, cover the paper with a fresh sheet ofplain paper to avoid staining or scratching the surface.(2)Roll up the paper in a direction opposite to paper curl as seen below.(3)Check to see that the paper curl is within approximately 0.08 to 0.2 inches / 2to 5 mm (B) in height.We recommend printing curl-corrected paper one sheet at a time.NoteDepending on the media type, the paper may be smudged or may not be fedproperly even if it is not curled.In such case, follow the procedure described above to curl the paper beforeprinting.This may improve the print result.Cause ActionPrint Head nozzles are clogged. See “When Printing Becomes Faint or Colors Are Incorrect” on page 50 andperform any necessary maintenance operations.Print Head is misaligned. See “Aligning the Print Head” on page 56 and perform Print Head Alignment.Cause Action(1) (2)(A)(A)(B)