Lexmark X7500 Service Manual - Page 49

4036-501 Frequent paper jam, double feed or skew Cause Relevant unit Paper setting failure Operation error Paper failure Paper debris Operation error None DADF pick roller failure ADF pick roller assembly Separator pad assembly failure Separator pad assembly Improper registration Registration rollers roller adjustment Improper DADF assembly height adjustment DADF hinge Check method Is the paper correctly set in the upper paper guide? Is the specified paper used? Check for paper fragments in paper path. Check the pick roller assembly for dirt and wear. Check the pad for wear and tear. Is paper skewing inside the DADF? Is the paper jamming at the flatbed-toDADF interface? Maintenance method Teach users to properly position the paper. None Clean paper path of dirt and debris. Clean or replace the pick roller assembly. (See "Maintaining Your Multifunction Product (MFP)" on page 6-1 for more information. Clean or replace the separator pad assembly. Adjust for paper skew. See "DADF Assembly Paper Skew Adjustment" on page 4-4 for more information. Adjust hinges. See "DADF Assembly Height Adjustment" on page 4-3 for more information. Diagnostic Information 2-9