Brother International HL 5030 Service Manual - Page 214
Image distortion, Faint print, Scanner LD
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CHAPTER 6 TROUBLESHOOTING I-13 Image distortion Possible cause Laser unit installation Scanner LD emission failure Scanner motor rotation failure Scanner connection failure Step Check 1 Is the laser unit secured to the frame incorrectly? (Check if there is any play.) 2 Is the laser diode or the scanner motor defective? 3 Is the scanner harness connected properly? (Check if it is coming loose.) Result Remedy Yes Secure the unit correctly and tighten the screws. Yes Replace the laser unit. No Connect the harness correctly. I-14 Faint print Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Print out test print out test print out test Print out test print o Print out test print o Possible cause Printer installation Toner cartridge Scanner window dirty Laser unit failure Step 1 2 3 4 Check Is the printer placed horizontally? Does the problem happen immediately after replacing the toner cartridge with a new one? Is the scanner window dirty? Is the problem solved by replacing the laser unit? Result No Yes Yes Yes Remedy Place the printer on a flat surface. Remove and carefully shake the toner cartridge horizontally. Clean the scanner window with a soft dry cloth. Replace the laser unit. 6-34