Brother International HL-3400CN Service Manual - Page 269

HL-3400CN SERVICE MANUAL 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 Paper exit roller OPC belt cartridge Fusing unit Oil bottle Drum cleaner Top cover Toner cartridge Paper exit unit K Y M Transfer unit Paper discharger unit // Transfer roller. Transfer drum Register roller Paper feeding roller Fig. 8-1 Media cassette 3.1 Feed Jam Table 8-3 Problem Item Step Check Item 1 Is the print paper a recommended paper? Result Na Action Use a recommended paper. Print Paper 2 Is the print paper damp? YES Replace the existing paper with new. 3 Was the paper fanned before loading in the media cassette? NO Fan the paper before loading. 4 Is the print paper set in place? NO Set the paper in the correct place. Media Cassette 5 Is the end plate properly set up? NO Set the end plate to meet the paper size. 6 Is the paper stacked above the line on the paper guide? YES Stack the paper below the line. 7 Is there paper dust around the paper guide? YES Clean the paper guide with a cotton cloth. Pick-up Roller / Separator Pad 8 Is the print paper caught in the YES Remove the paper. . paper feeding part? . . Is the pick-up roller damaged? Service call required to 9 YES replace the damaged pick- up roller. 8-11