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Sharp SF2414, Сode

CH If lit steadily, paper feed section cover is open or manual feed unit not installed properly. If flashing, developer seal still installed, or toner density sensor/main board problem. EE Sub code EU: undertoned. May be toner density sensor problem or developer unit problem. Sub code EL: Over toned. May be toner density sensor problem or developer unit problem. H2 Sub code 0: Fuser thermistor. H3 Sub code 0: Fuser temperature too high. H4 Sub code 0: Fuser temperature too low. L1 Scan problem. Sub code is 0, but there is no more detail. Could be no scan drive; scan did not leave home; scan did not return home; scan overloaded; mirror motor problem; scan cable came off. L3 Scan return problem. Sub code 0. Approximately same causes as L1 L4 Sub code 1: Main drive problem. Sensor, gear, motor. L5 Sub code 2: Lens drive, motor, sensor. L8 Sub code 1 Power frequency varies by more than 5 % or for more than 5 sec. Sub code 3: AE sensor problem. PC Key counter not installed. SPFJAM Document feeder problem. U2 Sub code 1: Main board EEPROM problem. Sub code 4: Memory problem. U5 Sub code 5: high temperature at exposure glass when using document feeder