Brother International HL 1240 Service Manual - Page 189

low-voltage power supply 3-15 low-voltage power supply PCB.......3-18, 4-27 circuit diagram A-26 - 27 M main cover 4-12 main motor 3-18, 4-15 main motor does not rotate 6-19 MAIN MOTOR ERROR 6-7 Main Motor Malfunction 6-5 main PCB 3-18, 4-26 block diagram 3-3 circuit diagram A-18 - 24 maintenance information A - 8 malfunction 6-18 BD failure 6-20 CPU runtime error 6-22 D-RAM error 6-22 engine interface error 6-22 fixing heater temperature failure ..........6-20 fuser failure 6-21 insufficient output from high-voltage power supply unit 6-20 main motor does not rotated 6-19 no AC power supplied 6-18 no DC power supplied 6-18 no paper supplied 6-19 NVRAM error 6-22 ROM error 6-22 scanner failure 6-21 Service A 6-22 Service B 6-22 manual duplex 2-11 manual feed paper guide 1-3 manual feed slot 1-3, 2-10 memory 1-5 MEMORY FULL 6-6, 6-8 MISFEED 6-6 modular jack for lower tray unit 1-3 MTBF 5-7 MTTR 5-7 N no AC power supplied 6-18 no DC power supplied 6-18 NO PAPER 6-6 no paper supplied 6-19 noise 1-5 INDEX normal paper 1-6 NV-RAM Error 6-5, 6-7, 6-22 NV-RAM value dump mode 6-46 NVRAM A-14 O operator call 6-4 optional RAM 3-11 organizer 1-6 output tray 1-3 P packing 4-37 page counter A-5, A-7 page skew 6-13 panel PCB 3-18, 4-30 paper 1-6, 6-1 basis weight 1-6 caliper 1-6 jam 6-10 loading 2-5, 2-10 moisture content 1-6 problem 6-9 recommended 1-7 size 1-6 type 1-6 paper cassette 1-3, 2-10, 4-4, A-15 capacity 1-7 paper cassette cover 4-5 paper feed roller 3-17, 3-19, 4-36 paper indicator 1-3, 4-9 PAPER JAM 6-6, 6-10 Paper LED 2-13 paper pick-up roller 3-17, 3-19, 4-35 parallel interface 1-3 parallel interface cable 2-6 periodical replacement parts 5-4 photosensitive drum 3-17, 3-21 pinch roller 4-13 poor fixing 6-32 power consumption 1-5 power source 1-5 power supply 2-1, 3-15 power switch 1-3 pressure plate 4-7 pressure plate spring 4-7 pressure roller 3-24 cleaning 6-28 iii