Brother International HL-3450CN Service Manual - Page 266

CHAPTER 8 TROUBLESHOOTING 3. PAPER TRANSPORT ERROR Paper is transported through the path shown in Fig.8-1. Paper jams at the following locations are easily cleared. • Paper Feeding Roller • Fusing Unit • Transfer Unit • Paper Exit Unit Fusing unit Paper exit roller Oil bottle Drum cleaner OPC belt cartridge Top cover Toner cartridge Paper exit unit K Transfer unit Paper discharger unit /' Transfer roller. Transfer drum Register roller Paper feeding roller M C 0 o Media cassette Fig. 8-1 3.1 Feed Jam Table 8-3 Problem Item Step Check Item 1 Is the print paper a recommended paper? Print Paper 2 Is the print paper damp? 3 Was the paper fanned before loading in the media cassette? 4 Is the print paper set in place? Media Cassette Pick-up Roller / Separator Pad 5 Is the end plate properly set up? 6 Is the paper stacked above the line on the paper guide? 7 Is there paper dust around the paper guide? 8 Is the print paper caught in the paper feeding part? Is the pick-up roller damaged? 9 Result Na YES NO NO NO YES YES YES YES Action Use a recommended paper. Replace the existing paper with new. Fan the paper before loading. Set the paper in the correct place. Set the end plate to meet the paper size. Stack the paper below the line. Clean the paper guide with a cotton cloth. Remove the paper. Service call required to replace the damaged pickup roller. 8-10