Utax PF-3100, Service Manual

Page 1: ...Service Manual Paper Feeder PF 3100 First Edition Date 17 10 2016 3S3SM060 ...

Page 2: ...Service Manual Paper Feeder PF 3100 First Edition Date 17 10 2016 3S3SM060 ...

Page 3: ...oper disposal ATTENTION IL Y A UN RISQUE D EXPLOSION SI LA BATTERIE EST REMPLACEE PAR UN MODELE DE TYPE INCORRECT METTRE AU REBUT LES BATTERIES UTILISEES SELON LES INSTRUCTIONS DONNEES Il peut être illégal de jeter les batteries dans des eaux d égout municipales Vérifiez avec les fonctionnaires municipaux de votre région pour les détails concernant des déchets solides et une mise au rebut appropri...

Page 4: ...Revision history Revision Date pages Revised contents ...

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Page 6: ...rsonnel to ensure the safety of their customers their machines as well as themselves during maintenance activities Service personnel are advised to read this booklet carefully to familiarize themselves with the warnings and precautions described here before engaging in maintenance activities ...

Page 7: ... this symbol CAUTION Bodily injury or damage to property may result from insufficient attention to or incorrect com pliance with warning messages using this symbol Symbols The triangle symbol indicates a warning including danger and caution The specific point of attention is shown inside the symbol General warning Warning of risk of electric shock Warning of high temperature indicates a prohibited...

Page 8: ...d or dusty place This may cause fire or electric shock Do not install the copier near a radiator heater other heat source or near flammable material This may cause fire Allow sufficient space around the copier to allow the ventilation grills to keep the machine as cool as possible Insufficient ventilation may cause heat buildup and poor copying performance Always handle the machine by the correct ...

Page 9: ... carefully Always check that the copier is correctly connected to an outlet with a ground connection Check that the power cable covering is free of damage Check that the power plug is dust free If it is dirty clean it to remove the risk of fire or electric shock Never attempt to disassemble the optical unit in machines using lasers Leaking laser light may damage eyesight Handle the charger section...

Page 10: ... caution labels that should be present on the machine according to the instruction handbook are clean and not peeling Replace with new ones if necessary Handle greases and solvents with care by following the instructions below Use only a small amount of solvent at a time being careful not to spill Wipe spills off completely Ventilate the room well while using grease or solvents Allow applied solve...

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Page 12: ...peration panel 1 2 9 4 2 Selection using prescribe s PSRC command 1 2 10 1 3 Troubleshooting 1 3 1 Paper misfeed detection 1 3 1 1 Paper misfeed indication 1 3 1 2 Paper misfeed detection conditions 1 3 2 1 3 2 Self diagnostic function 1 3 3 1 Self diagnostic function 1 3 3 2 Self diagnostic codes 1 3 3 1 3 3 Electric problems 1 3 4 1 4 Assembly and Disassembly 1 4 1 Precautions for assembly and d...

Page 13: ...2 4 Appendixes 2 4 1 Wiring diagram 2 4 1 ...

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Page 16: ...6K Statement Youkei 2 and Youkei 4 Paper type Plain Transparency Preprinted Labels Bond Recycled Vellum Rough Letterhead Color Prepunched Envelope Cardstock Thick High Quality and CUSTOM 1 to 8 Paper capacity 2 000 sheets 75 g m2 Printer Dimensions W D H 345 420 371 mm 13 37 64 13 17 32 14 39 64 Weight 7 5 kg 16 5 lb Attach ment Printer base PB 325 Dimensions W D H 380 706 184 mm 14 15 16 27 13 16...

Page 17: ... clean crisp printed copy consistently Remember that all paper is not the same Some of the factors to consider when selecting paper for use with the bulk paper feeder are as follows 2 1 Condition of the paper Avoid using paper that is bent at the edges curled dirty torn or contaminated with lint clay or paper shreds Use of paper in these conditions can lead to illegible printing misfeeding and pap...

Page 18: ... the dry mass of the paper Moisture can affect the paper s appearance feedability curl electrostatic properties and toner fusing characteristics The moisture content of the paper varies with the relative humidity in the room When the relative humidity is high and the paper absorbs moisture the paper edges expand becoming wavy in appearance When the relative humidity is low and paper loses moisture...

Page 19: ...below shows some typical envelope types This is the type of envelope best recommended for use with the bulk paper feeder Although this type of envelope generally feeds normally they are somewhat prone to jamming than above This type of envelope performs reliably pro vided that envelopes are loaded so that the bot tom sealed end feeds into the printer first Avoid using this type of envelope made of...

Page 20: ...mit 4 3 Post cards The paper used in postcards should have a basis weight of 135 to 190 g m2 0 3 to 0 42 lb ream and uncoated The paper should also satisfy the same conditions as white bond paper 5 Storage of envelopes and postcards Store envelopes and postcards making sure of the following hints Avoid leaving paper where it is exposed to sunlight Store envelopes in a clean dust free environment T...

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Page 22: ...3S3 1 2 1 1 2 Installation 1 2 1 Unpacking and installation 1 Installation procedure Removing the MP tray Installing the bulk paper feeder Installing the printer to the printer base Start End ...

Page 23: ... printer s MP tray must be removed Proceed as the following instructions I 1 Unplug the power source plug 2 Open the front cover 3 Remove the MP tray from the printer while bending it Retain the MP tray for future use Figure 1 2 1 Removing the MP tray MP tray Front cover ...

Page 24: ...3S3 1 2 3 4 Remove the fulcrum of leftside by extending a cover 5 Remove the fulcrum of rightside during twisting a cover 6 Remove the front cover forward Figure 1 2 2 Front cover Front cover ...

Page 25: ...ve two screws on the MP paper feed unit Figure 1 2 3 8 Remove the MP paper feed unit from the printer Retain the MP paper feed unit for future use Figure 1 2 4 MP paper feed unit Screw Screw MP paper feed unit Printer ...

Page 26: ...top of the printer base with the holes in the base of the printer then slowly and carefully lower the printer onto the printer base 2 Make sure that the connector on the printer base fits squarely into the corresponding connector in the base of the printer See fig ure right Figure 1 2 6 Spacer Screw Printer Installing the printer base and the printer Positioning pin Connector Printer Printer base ...

Page 27: ...he bulk paper feeder Then slowly and carefully lower the bulk paper feeder onto the printer base 3 Slide the rail with the bulk paper feeder mounted back toward the printer until the connector on the front side of the bulk paper feeder is fully connected to the connector on the base holding the bulk paper feeder by the both hands Caution Ensure that the arrow marks on the rail are cor rectly align...

Page 28: ... tray slot on the front side of the printer 5 This completes setting up the bulk paper feeder with the printer Before using the bulk paper feeder plug the printer to power and load paper in the bulk paper feeder Figure 1 2 8 Printer Bulk paper feeder Output slot Completion of the machine installation ...

Page 29: ...ttings outmost positions See figure right 4 Place several sheets of the paper you are going to use with the bulk paper feeder on the center of the paper tray 5 Adjust the side plates by rotating the adjuster knob on top of the bulk paper feeder counterclockwise so that the left and right side edges of the paper are flush with the left and right side plates Then rotate the adjuster knob half a turn...

Page 30: ... s operation panel 1 First verify that the printer s message display shows either Ready or Add paper 2 Next press the Menu key to change the source of paper feed The source indication toggles between the follow ing sequences Cassette Bulk feeder To select the bulk paper feeder as the paper source select Bulk feeder Note When printing on special forms such as envelopes labels or thick paper use the...

Page 31: ... follows R PSRC 0 EXIT When the printer receives the PSRC command it automatically does a form feed operation Therefore the PSRC command should be sent either at the beginning of the file or at the beginning of an intermediate page The PRESCRIBE FRPO R4 command changes the printer s default power on paper cassette setting To change the power on paper source to the bulk paper feeder use the followi...

Page 32: ...t slot open the tray cover and pull the paper in the bulk paper feeder 2 If no paper is found jammed inside the paper feeder slide the paper feeder away from the printer and check if paper is jammed inside the printer Note When paper is protruding from the bulk paper feeder s output slot always remove it by pulling the paper in its normal direction of travel Never pull paper back wards 3 After con...

Page 33: ...k paper feeder with lint free cloth Paper is damaged Check paper stack for bent corners edges Side plates inside the bulk paper feeder are improperly set Set the side plates so that a 1 mm gap is left between each side of the paper stack and the side plate 2 Bulk paper feeder does not raise lower tray Tray cover not closed opened Open close tray cover Printer not powered on Plug printer power cord...

Page 34: ... tion Reinsert the connector Also check for conti nuity within the connector harness If none remedy or replace the harness Defective PF main PWB Replace the PF main PWB 1150 Lift motor descent error Tray bottom position sensor does not turn on Lift motor lock error occurred 3 times Defective tray bot tom position sen sor Replace the tray bottom position sensor Defective harness between tray bot to...

Page 35: ...atus is in good status or not Replace PF main PWB Repair or replace part No No Yes Yes Replace or repair wire No Yes pin 1 pin 2 PF main PWB Capacitor C5 Measure voltage End OK Start YC3 1 1 4 3 YC9 YC2 1 1 75 3 1 YC5 1 2 YC7 YC4 1 3 YC6 2 1 11 1 YC8 C5 U13 YC1 Wire between PF main PWB and tray elevation motor is in good status no damage coating or no connector loosen etc Is belt or gear in the tr...

Page 36: ...re material Replace or repair wire Replace PF main PWB Replace PF main PWB or paper feed motor No No No No Yes Yes Yes Yes Start Paper is fed to the paper feed sensor Pin 2 of YC3 on the PF main PWB with the paper detected by the paper feed sensor is 5 V The actuator of the paper feed sensor activates properly Wire between PF main PWB and paper feed sensor is in good status no damage coating or no...

Page 37: ...rinter base on Pin 10 of YC1 on the PF main PWB is 24V and pin 11 is 5 V Replace wire between printer base and PF main PWB Replace PWB of printer base Replace or repair wire Replace PF main PWB of the bulk paper feeder After replacing check whether the operation status is in good status or not Replace engine PWB of the printer After replacing check whether the operation status is in good status or...

Page 38: ... replace the actuator Repair or replace wire between main PWB and tray bottom position sensor Replace engine PWB of the printer Replace wire between printer engine PWB and printer base Replace wire between printer No No No No Yes Yes Yes Yes Yes Yes Replace tray elevation motor Replace wire between main PWB and tray elevation motor No No Replace main PWB Start Replace main PWB Pin 3 of YC2 3 3 V P...

Page 39: ...on motor Replace main PWB Replace repair tray bottom position sensor or repair replace the actuator Replace repair wire between main PWB and tray bottom position sensor Replace main PWB Replace paper feed sensor or repair replace the actuator Replace repair wire between main PWB and paper feed sensor Replace main PWB Yes Replace or repair wire Pin 3 of YC2 0 V Pin 3 of YC2 3 3 V Pin 1 of YC1 24 V ...

Page 40: ...epair replace actuator Replace or repair wire between main PWB and tray bottom position sensor Replace main PWB Replace cover interlock switch or replace actuator Replace or repair wire between main PWB and cover interlock Yes Yes Yes Replace engine PWB of printer Replace wire between printer engine PWB and printer base Replace wire between printer base Start Pin 1 of YC6 0 V and pin 2 0 V with th...

Page 41: ...tive measures No Yes Replace PF main PWB Replace tray elevation motor Replace wire between PF main PWB and tray elevation motor Replace wire between top position detecting tray top position sensor and PF main PWB Replace tray top position sensor or repair replace actuator After replacing items described above check whether the operation status is in good status or not OK End Start Pin 3 of YC5 0 V...

Page 42: ...place tray elevation motor Replace wire between PF main PWB and tray elevation motor Replace PF main PWB Replace tray elevation motor Replace wire between PF main PWB and tray elevation motor Replace tray bottom position sensor or repair replace actuator Replace wire between tray bottom position sensor and PF main PWB After replacing items described above check whether the operation status is in g...

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Page 44: ...t the power plug before starting disassembly When handling PWBs do not touch connectors with bare hands or damage the board Do not touch any PWB containing ICs with bare hands or any object prone to static charge Use only the specified parts to replace the fixing unit thermostat Never substitute electric wires as the copier may be seri ously damaged ...

Page 45: ...ne in the base of the printer Figure 1 4 1 2 Removing the tray cover Note The tray cover tends to self open when the bulk paper feeder is put sideways or upside down for service Tape the tray cover to the bulk paper feeder to avoid this situation or remove the tray cover in prior to making service fol lowing the manner described below 1 The tray cover is secured to the bulk paper feeder by hinges ...

Page 46: ...er Figure 1 4 3 4 Removing the paper outlet and top cover To remove the paper outlet or the top cover follow the procedure below We recommend that the paper outlet is also removed when removing the top cover 1 To remove the paper outlet remove two screws as follows 2 To remove the top cover remove four screws as follows Note The paper adjuster knob may not be removed before removing the top cover ...

Page 47: ...the mounting rail from the printer base 1 To remove the rail from the printer base remove two screws that secure the stopper at the inner end 2 Then pull the rail outward as shown right Figure 1 4 5 Mount rail Printer base ...

Page 48: ...caused when several sheets of paper are fed at one time the bulk paper feeder uses the friction retarded roller FRR system for paper feed The operating theory for this system follows this section Figure 2 1 1 FRR System Feed roller Reverse roller Middle feed roller printer Subsequently fed paper ...

Page 49: ...d coincidentally and pinched between the rollers friction between paper is small and there is no friction between the rollers Then the retartd roller stops at the work of the torque limiter The feed roller continues paper feed from the most upper paper source of the printer and the retard roller stops the second paper and prevents multi feed Figure 2 1 4 Feed roller Retard roller One way clutch Fe...

Page 50: ...fer for a check procedure to 1 3 3 electric problems see page 1 3 6 Failure PWB Failure contents LED1 Orange LED2 Green Engine PWB 24V fuse disconnection Putting out lights Putting out lights 3 3V fuse disconnection PB PWB 24V cutoff circuit FET breakage Lighting 5V generation regulator breakage Level shift breakage LED1 LED2 PB PWB LED1 LED2 PB PWB ...

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Page 52: ... on by the paper tray as the paper tray descends 5 Cover open switch This switch reports CPU as to whether the tray cover is closed or open 6 Tray elevation motor This is a DC servo motor to raise or descends the paper tray 7 Paper feed motor This paper feed motor drives with the W1 2 corelated excitation mode for preventing from the paper feed noise This is a stepping motor which is activated whe...

Page 53: ...B 325 1 PB PWB Consists of wiring relay circuit between engine PWB of printer and main PWB of printer base 2 Relay interface connector A Connects the printer base and the printer 3 Relay interface connector B Connects the printer base and the bulk paper feeder 9 10 11 ...

Page 54: ...the bulk paper feeder Figure 2 3 1Main PWB block diagram Tray elevation motor Cover interlock switch Tray top position sensor Paper feed sensor Tray bottom position sensor Paper feed motor Transistor circuit YC3 YC1 YC7 YC5 OP3 3V YC2 CPU Printer base Printer Motor driver Over current detection circuit YC4 YC6 ...

Page 55: ...nal 4 PFSEL0 I DC0V 3 3V PF Select0 signal 5 PFRDYN O DC0V 3 3V Serial comunication signal_Ready 6 PFTxD I DC0V 3 3V Serial comunication signal_Data 7 PFRxD O DC0V 3 3V Serial comunication signal_Data 8 PFCLK I DC0V 3 3V Pulse Serial comunication signal_Clock 9 GND I Ground 10 24V I DC24V 24 V DC power input YC2 1 FELED O DC3 3V 3 3 V DC power output Connected to the paper feed sensor 2 GND O Grou...

Page 56: ... to the tray elevation motor 2 MOTOR1 O DC0V 24V Tray elevation motor drive output YC5 1 UPLED O DC3 3V 3 3 V DC power output Connected to the tray top position sensor 2 GND O Ground 3 UPLIMIT I DC0V 3 3V UPLIMIT signal YC6 1 GND 3 3V O 3 3 V DC power output Connected to the cover open switch 2 COVER I DC0V 3 3V COVER signal YC7 1 DOWNLED O DC3 3V 3 3 V DC power output Connected to the tray bottom...

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Page 58: ...L2 5V MOTOR1 MOTOR2 YC4 1 2 1 3 2 1 3 2 1 2 1 2 3 4 1 2 1 2 1 2 2 1 2 1 3 1 2 3 1 2 3 3 2 1 3 2 1 4 4 3 2 1 4 3 2 1 1 2 3 1 2 3 3 2 1 3 2 1 1 2 3 1 2 3 3 2 1 3 2 1 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 Tray elevation motor Connected to the printer base PF main PWB Cover open detection switch Tray top position sensor Paper feed sensor Tray bottom position sensor Paper feed motor Interface conne...