Brother International HL 1240 Service Manual - Page 188

INDEX Engine Interface Error 6-5, 6-7, 6-22 envelope 1-6 environment 2-1, 6-1 error message 6-6 F face-down 1-8 face-up 1-8 factory inspection mode 6-46, 6-47 Factory Reset 6-45 faint print 6-33 fan motor 3-18, 4-33 faulty registration 6-32 first eject roller 3-17, 3-20, 4-24 first print 1-4 fixing heater temperature failure 6-20 fixing unit 3-17, 4-17 front cover 1-3, 4-10 front registration sensor lever.........3-17, 3-19 fuser failure 6-21 Fuser Malfunction 6-5, 6-7 G general block diagram 3-1 ghost 6-39 gray background 6-37 grease 4-5, 4-16 grid 3-21 ground contact 6-41 H halogen heater lamp 4-20 heat roller 3-17, 3-24, 4-20 heat roller cleaner 4-22 Hex Dump Print 6-45 High Resolution Control 1-2 high-voltag power supply PCB .......3-18, 4-28 circuit diagram A-28 high-voltage power supply 3-16 hollow print 6-37 horizontal lines 6-38 HRC 1-2 humidity 1-5 I IEEE1284 3-5 image defect 6-23 all black 6-27 black band 6-36 black horizontal stripes 6-30 black spots 6-36 black vertical streaks 6-29 black vertical streaks (in a gray background) 6-30 blurred horizontal stripes 6-30 blurred vertical streaks 6-29 completely blank 6-26 dark 6-25 dirt on the back of paper 6-28 downward fogging of solid black ......... 6-38 examples 6-23 faint print 6-33 faulty registration 6-32 ghost 6-39 gray background 6-37 hollow print 6-37 horizontal lines 6-38 image distortion 6-33 light 6-24 light rain 6-39 poor fixing 6-32 toner specks 6-40 troubleshooting 6-24 white horizontal stripes 6-31 white spots 6-34 white vertical streaks 6-31 image distortion 6-33 incorrect printout 6-42 inspection mode 6-46 installation drum unit 2-5 printer 2-3 printer driver 2-6 USB driver 2-7 insufficient output from high-voltage power supply unit 6-20 interface 1-5 L Laser BD Malfunction 6-5, 6-7 laser unit 4-14 light 6-24 light rain 6-39 link 4-16 lock lever 4-8 lower tray relay PCB 4-26 ii