Xerox 3450B Service Manual - Page 91

Image Defect Possible Cause Solution Unfused Image: Part or ■ Paper quality (damp ■ Paper is too thick, damp or all of the image is unfused. paper) contains a high percentage of ■ Operating environment cotton. ■ Remote Control Panel ■ Printer is not installed in specified settings environment. ■ Fuser Assembly ■ Main Board ■ Verify Remote Control Panel settings, such as envelope. ■ Inspect /clean/replace Fuser assembly as necessary. ■ Replace Main Board. Skewed Image: The ■ Paper printed image is not ■ Paper tray parallel with the sides of ■ Pick-up roller the page. assembly/Paper transportation ■ Fuser Assembly ■ Inspect paper for damage. Replace as necessary. ■ Check paper tray for damage. Properly install fresh paper in the paper tray. ■ Inspect Pick-up roller assembly. Replace as necessary. ■ Inspect paper transportation areas for proper operation. ■ Inspect /clean/replace Fuser assembly as necessary. Skips/Smears: Skips, ■ Paper transportation loss or stretching of the ■ Main drive motor image in bands across assembly the process direction. ■ Fuser Assembly Smears, the distortion of ■ Print Cartridge the image in bands across the process direction. Causes image to appear blurred or compressed. ■ Inspect paper transportation areas for proper operation. ■ Inspect main drive motor assembly for damage or worn gears. Replace as necessary. ■ Inspect /clean/replace Fuser assembly as necessary page 8-5. ■ Replace Print Cartridge. OHP Print Distortion: Trembling appearance when printing on transparencies. ■ Remote Control Panel ■ Verify Remote Control Panel is settings configured to Transparency ■ Recommended Media mode. ■ Transfer roller voltage ■ Verify transparency meets printer specifications. ■ Inspect the Transfer Roller spring tension and bearing contacts. ■ Replace Power Supply Board. 5-10 Phaser 3450 Laser Printer Service Manual