Sharp MX-LCX5, Service Manual

Page 1: ...2 5 LCT motors 3 2 6 LCT exit sensor 3 4 7 Paper path sensors 3 4 8 Main control board 3 5 9 Paper height paper width sensors 3 5 10 Side registration adjustment 3 5 11 Image position board and sensor 3 6 12 Dehumidifier heater installing procedures 0PQC4180431 3 6 4 DETAILED DESCRIPTIONS 1 Paper feed 4 1 2 Paper detection lift 4 2 3 Paper size detection 4 2 4 Remaining paper detection 4 3 5 Paper...

Page 2: ...2 16 lbs Bond 170 lbs Index Lower tray 52 205 g m2 16 lbs Bond 110 lbs Index Paper type Plain paper Heavy paper Recycled paper Thin paper Pre printed paper Letter head Punched paper Transparency paper Colored paper Tab paper Label paper Available only for the Offset tray Paper capacity Standard Paper Upper tray Lower tray 1 000 sheets Middle tray 2 000 sheets 80 g m2 Detection of remaining paper A...

Page 3: ...216 x 356 Yes Yes Yes Legal 8 5 x 14 Z folding 216 x 178 Mexican Legal 8 5 x 13 4 216 x 340 Yes Yes Yes Foolscap 8 5 x 13 216 x 330 Yes Yes Yes Letter 8 5 x 11 279 x 216 Yes Yes Yes Letter R 8 5 x 11 R 216 x 279 Yes Yes Yes Letter R 8 5 x 11 R Z folding 216 x 140 Invoice 5 5 x 8 5 216 x 140 Invoice R 5 5 x 8 5 R 140 x 216 Yes Yes Yes Exective R 7 25 x 10 5 184 x 266 Yes Yes Yes 9 x 12 A4W 305 x 22...

Page 4: ...size This information must be explained to the user When servicing check the use frequency of each paper feed tray and replace the rollers as needed When cleaning the roller it is advisable to use a cloth with a small quantity of water The friction level is smaller in the order of the paper pick up roller the paper feed roller and the separation roller No Parts name Occasionally When calling 500K ...

Page 5: ... Tray 4 5 or 6 1 Pull the tray A out of the LCT until it stops 2 Remove the screws from the right rail B screw x 3 3 Remove the screws from the left rail D screw x 3 NOTE You do not need to remove the screw for the stopper pin bracket at the back of the left rail 4 Remove carrying handles A and B from the right side of the tray screw x 2 ea 5 Use the same screws to attach the carrying handles at 1...

Page 6: ...1 B Feed roller stopper x 1 C Separation roller stopper x 1 NOTE 1 The LCT pick up and separation rollers are the same as pick up and separation rollers of the main machine These rollers are interchangeable 2 The feed rollers of the LCT and main machine are dif ferent because they are designed to rotate in opposite directions The feed rollers of the LCT and main machine are not interchangeable 3 N...

Page 7: ...the shaft A so the pin can slip out of the keyhole Remove B Motor unit screw x 4 clamp x 2 connector x 2 C Springs x 2 First loosen the screws x 2 1 2 D Paper feed motor screw x 2 Timing belt x 1 E Grip motor screw x 2 Timing belt x 1 Reinstallation Attach the tension spring then tighten the screws 3 to tighten the belts C Lift motors 4th 6th Lift Motors The procedure for removing the 4th and 6th ...

Page 8: ...t rear cover see 2 1 Disconnect the harness clamps 1 and 2 clamp x 2 2 Disconnect the motor harnesses 3 4 5 clamp x 3 con nector x 11 3 Remove A Upper stay screw x 2 B Lower stay screw x 2 C Vertical feed unit screw x 6 B 4th transport 4th relay upper lower sensors 1 Remove the vertical feed unit see A 2 Remove A 4th Transport sensor screw x 1 connector x 1 B 4th Relay sensor upper screw x 1 conne...

Page 9: ...Transport sensor screw x 1 connector x 1 8 Main control board Remove the rear covers see 2 A Main control board screw x 6 Standoffs x 2 connector x All 9 Paper height paper width sensors Paper Height Sensors Remove Rear left cover see 2 A Paper height sensor unit screw x 2 connector x 4 B Clamp bracket screw x 2 C Paper height sensors x 4 Hooks x 2 each Paper Width Sensors Rear left cover see 2 D ...

Page 10: ...oard and sensor Image Position Sensor Disconnect the LCT from the copier A Image position sensor unit screw x 2 connector x 1 B Stopper screw x 1 C Image position sensor After replacing the image position sensor do the procedure for image position sensor adjustment see 12 Image Position Sensor Board Disconnect the LCT from the copier D Cover screw x 2 clamp x 2 E Image position sensor board screw ...

Page 11: ...ith two screws fro each of them Attach the clamp 5 Install a new interface harness and insert the connector into the PWB Fix the earth wire of the heater harness with the accessory washer screw Screw x 2 Interface harness Clamp 2 positions Interface harness Heater harness section Snap band fixing Earth fixing screw Snap band fixing ...

Page 12: ...REPLACEMENT AND ADJUSTMENT 3 8 6 Install the heater cover 3 screws 7 Install the rear cabinet and fix it with the fixing screw Fix the harness with the clamp Snap band fixing Connect the heater and the harness ...

Page 13: ... not selected Separation roller solenoid A is de activated Separation roller B turns freely When the paper feed station is selected for a job Paper feed motor C and grip motor D turn on When the feed motor C turns on it drives the feed roller E It also drives the pick up roller F because the pick up roller is linked to the feed roller by an idle gear When the separation solenoid A turns on the sep...

Page 14: ...tivates the lift sensor E to stop the lift motor After several paper feeds the paper level gradually lowers then the lift sensor is activated and the lift motor turns on again until the lift sensor is de activated again 3 Paper size detection 1 4th Paper Width Sensor 3 2 4th Paper Width Sensor 2 3 4th Paper Width Sensor 1 4 4th Paper Length Sensor The 4th 5th and 6th trays have three paper width s...

Page 15: ...ted and the display indicates 100 2 When the actuator passes paper height sensor 4 B the dis play indicates 70 of the paper supply remaining 3 When the actuator passes paper height sensor 3 C the dis play indicates 30 of the paper supply remaining 4 When the actuator passes paper height sensor 2 D the dis play indicates 10 of the paper supply remaining NOTE When the actuator enters the gap of the ...

Page 16: ...6th Paper Feed Unit 4 4th Tray Drive Belt 5 5th Tray Drive Belt 6 6th Tray Drive Belt 7 Lower Transport Rollers 8 Horizontal Transport Roller 9 LCT Exit roller 10 Upper Transport Rollers 11 Feed Slot from Bypass Tray 1 2 3 4 5 6 7 8 9 10 11 M1 4th Grip Motor M2 4th Lift Motor M3 4th Paper Feed Motor M4 4th Transport Motor M5 5th Grip Motor M6 5th Lift Motor M7 5th Paper Feed Motor M8 5th Transport...

Page 17: ... 2 S28 5th Paper Width Sensor 3 S32 5th Relay Sensor S33 5th Transport Sensor S34 6th Lift Sensor S35 6th Paper End Sensor S36 6th Paper Feed Sensor S37 6th Paper Height Sensor 1 S38 6th Paper Height Sensor 2 S39 6th Paper Height Sensor 3 S40 6th Paper Height Sensor 4 S41 6th Paper Length Sensor S42 6th Paper Width Sensor 1 S43 6th Paper Width Sensor 2 S44 6th Paper Width Sensor 3 S48 6th Relay Se...

Page 18: ...r Drives the pick roller and feed roller that picks up each sheet and starts to feed it out of the 4th tray M4 L1PFM 4th Transport Motor Drives the rollers in the vertical feed path that feed the paper from the 4th tray to the LCT exit motor M5 L2REVM 5th Grip Motor Drives the separation roller and the grip roller of the 5th tray M6 L2PRM 5th Lift Motor Drives the bottom plate of the 5th tray up a...

Page 19: ...nsor 3 6th from the bottom of the 5th tray detects stack height 50 S24 L2PVS4 5th Paper Height Sensor 4 4th from the bottom of the 5th tray detects stack height 25 and signals near end S25 L2LS 5th Paper Length Sensor Detects the length of the paper in the 5th tray used in combination with the paper width sensors S26 L2SIZ1 5th Paper Width Sensor 1 1 of a set of 3 sensors that detect the width of ...

Page 20: ...y SOL4 L2REVS 5th Separation SOL Controls up down movement of the separation roller in the 5th tray SOL5 L3PUS 6th Pick up Solenoid Engages disengages rotation of the pick up roller in the 6th tray SOL6 L3REVS 6th Separation Solenoid Controls up down movement of the separation roller in the 6th tray Switches No Signal Name Description SW1 LILSW Door Safety Switch An interlock safety switch that de...

Page 21: ...Pick Up Solenoid Paper Rise Motor Reverse Motor Pick Up Motor Feed Motor CP100 DC5V A3 LCT Multi Bypass Tray Paper End Sensor Length Sensor Paper Volume Sensor x 2 Upper Limit Sensor Lower Limit Sensor Paper Feed Sensor Exit Sensor Paper Feed Sensor x 3 Paper End Sensor x 3 Upper Limit Sensor x 3 Length Sensor x 3 Size Sensor For 1st Tray x 3 Paper Volume Sensor For 1st Tray x 4 Size Sensor For 2n...

Page 22: ...W AX400012 x 2 Dehumidifying heater 100V 18W AX4000 x 2 PE sensor 4 Paper feed sensor 4 Remaining quantity sensor 4 1 Remaining quantity sensor 4 2 Size sensor 4 1 Size sensor 4 2 Size sensor 4 3 Size sensor 4 4 Size sensor 4 5 Paper length sensor 4 Tray lower limit sensor 4 Pick up SOL Lift M Lift M Lift SW Lift LED Slide detection 4T fan 1 Not installed 4T fan 2 4T size detection 1 4T size detec...

Page 23: ...antity detection 3 6T remaining quantity detection 4 5T fan 2 5T size detection 1 5T size detection 2 5T length detection 5T remaining quantity detection 1 5T remaining quantity detection 2 5T remaining quantity detection 3 5T remaining quantity detection 4 5T size detection 3 Not installed Interface Unit sensor 4T tray lift Door open close SW 6T reverse 6T transport 6T tray lift 5T tray lift Inte...

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Page 26: ...free solder is about 220 C which is about 40 C higher than that of conventional lead solder and its soldering capacity is inferior to conventional one it is apt to keep the soldering iron in contact with the PWB for longer time This may cause land separation or may exceed the heat resistive temperature of components Use enough care to separate the soldering iron from the PWB when completion of sol...

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