14. The copy has fixing faults.COPYRIGHT © 1997 CANON INC. CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 11 TROUBLESHOOTING11-80CauseUpper roller,Lower rollerHeater(H1, H2)Lower rollerpressureCopy paperUpper fixingChecksDoes the problem occur in verticaldirection?Does the heater (H1, H2) turn onimmediately after power-on?Is the lower roller pressure (nip)as specified?Is the paper of a typerecommended by Canon?Step1234YES/NOYESNONONOYESActionCheck the upper rollerand the lower roller forscratches.See “The heater fails toturn on.”Adjust the lower rollerpressure.Try paper recommendedby Canon. If the resultsare good, advise theuser to userecommended paper.Check the upper rollerfor peeling.Fixing assemblyDownload service manual and resetter printer at http://printer1.blogspot.com