Lexmark X502n Service Manual - Page 206

7100-XXX Symbol and part name table Symbol BR Part name Back-up roller Symbol MCTL CTFAN DM DPJ DSW1 DSW2 DSW3 Erase lamp FBCL FBSOL FCS FUSER unit HPSEN HR HTFAN HVU LCD LDU LFU LVPS Control fan motor (cooling fan MM PS) Developer motor Optical unit Drum jam sensor PANEL interlock switch (front) PBS interlock switch (top) PCLU interlock switch (rear) PDU Erase lamp PEU Cleaning roller solenoid PFUL Cleaning cam clutch PSU Cleaning roller sensor PT1 Fuser unit PT2 Drum encoder sensor RECL Heater roller SCM Heater fan motor (cooling fan EX) TBLE TBFL High voltage unit TFU1 TFU2 LCD P.W.B. TH Laser drive unit P.W.B. TNK Lower paper feeding unit TPD TTR Power supply unit TRCM Part name Main engine (MCTL P.W.B.) board Main motor Optical unit Operator panel P.W.B. Belt sensor Upper paper feeding clutch PDU P.W.B. Upper paper empty sensor Exit paper full sensor Upper paper size sensor Paper feed sensor Paper exit sensor Registration clutch Scanner motor Waste toner sensor (WT holder assembly) Thermal fuse Themistor Toner key sensor Toner empty sensor Transfer cam clutch 5-8 Service Manual