Brother International HL-3400CN Service Manual - Page 207

HL-3400CN SERVICE MANUAL PR2000046 4.3 Left Side of the Printer 4.3.1 MCTL PWB 4.3.2 High-voltage power supply unit (High voltage unit 3) 4.3.3 Interlock switch (Rear) 4.3.4 Drum encoder sensor (PS4) 4.3.5 Fuser connector 3 4.3.6 Rear cover 3 (R) 4.3.7 Low-voltage power-supply unit (Power supply unit 3 (EC)(US)) 4.3.8 Interlock switch (Front) (for front cover) 4.3.9 Toner key sensor (TNK) 4.3.10 Toner sensor (TTR) 4.4 Paper Exit Unit 4.4.1 Rear cover 3 (U) 4.4.2 Top cover ( 7nPr in;, t ) / Fuser fan (FUFAN) ( ooling fan (EX)) 4.4.3 Cleaning roller sensor (PS5) 4.4.4 Paper full sensor (PS6) 4.4.5 Paper exit sensor (PS2) 4.4.6 Discharger brush ( scharging brush 3) 4.4.7 Paper exit roller 3 4.5 Front of the Printer 4.5.1 Front outer cover (Front cover 3) 4.5.2 Front cover unit 3 4.5.3 Laser unit (scanner motor inclusive) (Optical Unit 3) 4.6 Rear of the Printer 4.6.1 Rear access cover ( R unit cover ) / Transfer unit 3 4.6.2 Transfer roller 3 4.6.3 Register roller 4.6.4 Paper size sensor 3 (PSU) 4.6.5 Paper feeding roller / Separator pad (2) 4.6.6 Paper empty sensor (PS3) / OHP sensor 3 (OHP) 4.6.7 Paper feeding sensor (PS1) 4.7 Fusing Unit 4.7.1 Oil pan unit 3 4.7.2 Oil pad 4.7.3 Fusing heater lamp (Husing heater 3 (US)(EC)) 7-32 7-32 7-33 7-34 7-35 7-35 7-36 7-36 7-38 7-39 7-39 7-40 7-40 7-40 7-42 7-42 7-43 7-43 7-44 7-45 7-45 7-45 7-47 7-48 7-48 7-49 7-49 7-50 7-50 7-51 7-52 7-53 7-53 7-53 7-54 NOTE: Parts names printed in light blue color are the parts names used in the HL-3400CN Parts Reference List. 7-3