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Konica Minolta A0XY026, Service Manual

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Konica Minolta A0XY026 Service Manual Download Page 39

5. Drive

Theory of Operation Ver. 1.0 Apr. 2005

14

bizhub 160/160f bizhub 161/161f

Composition/Operation

5.

Drive

4980M010AA

Scanner Unit

Paper Take-up Roller

Scanner Motor (M4)

Cooling Fan Motor2 (M3)

Cooling Fan Motor1 (M2)

Main Motor (M1)

bizhub_160_160f_161_161f_TO.book  14 ページ  ２００５年４月１８日　月曜日　午後４時２２分

Summary of Contents for A0XY026

Page 1: ...SERVICE MANUAL 2005 04 2005 04 Ver 1 0 Ver 1 0 THEORY OF OPERATION...

Page 2: ...se of technical training and even after that for performing maintenance and control of the product properly Keep this Service Manual also for future service In this Service Manual each of three expres...

Page 3: ...rformance and safety Such modifications are therefore strictly prohibited the points listed below are not exhaustive but they illustrate the reason ing behind this policy SAFETY WARNINGS Prohibited Ac...

Page 4: ...able having enough cur rent capacity and the cord set meets regulatory requirements for the area Use of inadequate cord set leads to fire or electric shock Attach power plug which meets the following...

Page 5: ...r leads to the product connecting to inadequate power supply voltage current capacity grounding and may result in fire or electric shock If proper wall outlet is not available advice the customer to c...

Page 6: ...a risk of fire Check whether the power cord is damaged Check whether the sheath is damaged If the power plug cord or sheath is damaged replace with a new power cord with plug and connector on each en...

Page 7: ...ot use an extension cable reel with the cable taken up Fire may result Prohibited Installation Places WARNING Do not place the product near flammable materials or vola tile materials that may catch fi...

Page 8: ...on before Servicing CAUTION Before conducting an inspection read all relevant docu mentation service manual technical notices etc and proceed with the inspection following the prescribed pro cedure us...

Page 9: ...risk of elec tric shock exists Safety Checkpoints WARNING Check the exterior and frame for edges burrs and other damage The user or CE may be injured Do not allow any metal parts such as clips staples...

Page 10: ...g a lithium battery replace it with a new lith ium battery specified in the Parts Guide Manual Dispose of the used lithium battery using the method specified by local authority Improper replacement ca...

Page 11: ...breathe excessive amounts or let the substances come into contact with eyes etc It may be stimulative If the substances get in the eye rinse with plenty of water immediately When symptoms are noticeab...

Page 12: ...aner at a time and take care not to spill any liquid If this happens immediately wipe it off A risk of fire exists When using any solvent ventilate the room well Breathing large quantities of organic...

Page 13: ...of the Print Head Unit This product employs a Class 3b laser diode that emits an invisible laser beam The laser diode and the scanning polygon mirror are incorporated in the print head unit The print...

Page 14: ...r le constructeur Mettre au rebut les batteries usag es conform ment aux instructions du fabricant Denmark ADVARSEL Lithiumbatteri Eksplosionsfare ved fejlagtig h ndtering Udskiftning m kun ske med ba...

Page 15: ...nd must be attached to laser products marketed in the United States All Areas Denmark CAUTION Use of controls adjustments or performance of procedures other than those specified in this manual may res...

Page 16: ...n anv ndaren uts ttas f r osynlig laserstr lning som verskrider gr nsen f r laserklass 1 halvledarlaser Den maximala effekten f r laserdioden 15 mW v gl ngden 770 800 nm VARO Avattaessa ja suojalukitu...

Page 17: ...MS S 16 5 1 Laser Safety Label A laser safety label is attached to the inside of the machine as shown below 5 2 Laser Caution Label A laser caution label is attached to the outside of the machine as s...

Page 18: ...nd PC Drum be sure first to turn the printer OFF If the job requires that the printer be left ON take off your watch and ring and wear laser protective goggles A highly reflective tool can be dangerou...

Page 19: ...id burns and electric shock CAUTION WARNING INDICATIONS ON THE MACHINE 4980p0c001aa 4980p0c002aa 4980p0c003aa High temperature Do not throw into a fire You may be burned or injured if you touch any ar...

Page 20: ...SERVICE MANUAL 2005 04 Ver 1 0 THEORY OF OPERATION Main Unit...

Page 21: ......

Page 22: ...ts the number of times the revision has been made To indicate clearly a section revised show in the lower outside section of the correspond ing page A number within represents the number of times the...

Page 23: ......

Page 24: ...aper path 12 Composition Operation 4 Components 13 5 Drive 14 6 Operating Sequence 15 6 1 Copy Process 15 6 2 Print Start Sequence 17 6 2 1 When the pre start control is not provided 17 6 2 2 When the...

Page 25: ...4 10 1 3 Paper Empty Detection 34 10 1 4 Paper Take up Retry Function 34 11 Image transfer section 35 11 1 Overview 35 12 Fusing section 36 12 1 Overview 36 12 2 Fusing Temperature Control 37 12 2 1 T...

Page 26: ...configuration 1 Automatic Document Feeder DF 501 5 Mechanical Counter MC 502 2 Original Cover OC 503 6 Expansion memory 32 MB EM 101 3 Main Unit bizhub 160 bizhub 160f bizhub 161 bizhub 161f 7 NIC NC...

Page 27: ...2 Way system Tray1 and Bypass Tray 3 Way system is possible if optional PF 501 Tray2 is installed Exposure system Unit scanning slit exposure Developing system FMT Fine Micro Toning single component...

Page 28: ...size and 600 dpi 300 dpi with plain A4R or Letter R paper If the Start key is pressed more than 3 seconds after opening and clos ing the Original Cover or Auto Document Feeder after the engine has wa...

Page 29: ...rfaces IEEE 1284 Parallel USB Revision 1 1 except for Windows NT Printer Language GDI Fonts Windows Supported Operating Systems Windows XP SP2 or later Windows server 2003 Windows 2000 SP4 or later Wi...

Page 30: ...S Math PI Font Roman 8 Desktop Microsoft Publishing Math 8 MC Text ODBH Legal Symbol Wingdings Typeface List Total 53 Courier CG Times CG Times Bold CG Times Italic CG Times Bold Italic CG Omega CG Om...

Page 31: ...ystem Tray1 and Bypass Tray 3 Way system is possible if optional PF 501 Tray2 is installed Exposure system Unit scanning slit exposure Developing system FMT Fine Micro Toning single component developi...

Page 32: ...300 dpi with plain A4R or Letter R paper If the Start key is pressed more than 3 seconds after opening and clos ing the Original Cover or Auto Document Feeder after the engine has warmed up Metric Siz...

Page 33: ...rfaces IEEE 1284 Parallel USB Revision 1 1 except for Windows NT Printer Language GDI Fonts Windows Supported Operating Systems Windows XP SP2 or later Windows server 2003 Windows 2000 SP4 or later Wi...

Page 34: ...Desktop Microsoft Publishing Math 8 MC Text ODBH Legal Symbol Wingdings Typeface List Total 53 Courier CG Times CG Times Bold CG Times Italic CG Times Bold Italic CG Omega CG Omega Bold CG Omega Itali...

Page 35: ...o 12 13 14 15 Other dialing Pause insert Phone Book dial On hook dial Automatic redial Redial Chain dial Combination dial Transmission Transmission mode ADF TX Memory TX Batch TX Broadcast TX Confiden...

Page 36: ...Confirmation of communication result Daylight saving time Date Time setting Display of destination station Footer Header Package reception printing Pause insert Quick memory printing Remote monitor RX...

Page 37: ...ional Paper Feed Cassette is mounted the system offers a three way paper supply system The paper taken up and fed in by the Paper Take Up Roll is transported through the printer by the Image Transfer...

Page 38: ...s 13 bizhub 160 160f bizhub 161 161f Composition Operation Composition Operation 4 Components 4980t2c001aa IR Section Paper Exit Section PH Print Head Section IC Imaging Cartridge Section Paper Take u...

Page 39: ...of Operation Ver 1 0 Apr 2005 14 bizhub 160 160f bizhub 161 161f Composition Operation 5 Drive 4980M010AA Scanner Unit Paper Take up Roller Scanner Motor M4 Cooling Fan Motor2 M3 Cooling Fan Motor1 M2...

Page 40: ...which in turn goes through appropriate correction processes before being output to the PH image processing section 5 PH Image Processing After going through correction processes the digital image sig...

Page 41: ...Plate neutralizes any charge left on the paper 12 Recovery The residual toner on the surface of the PC Drum is temporarily recovered and is made into even finer particles during the print end sequence...

Page 42: ...equence 6 2 1 When the pre start control is not provided Start key ON Polygon Motor Main Motor PaperTake Up Solenoid S1 Drum Charge Output Exposure Output Developing Output Image Transfer Output Drum...

Page 43: ...rum Charge Output Exposure Output Developing Output Image Transfer Output Drum charge DC Drum charge DC Charge Reverse bias Unexposed area output ON Negative output 4980M017AB 4980M014AA Image Transfe...

Page 44: ...Toning developing system The Toner Agitating Screw conveys toner in the Toner Cartridge onto the Toner Supply Roller The Toner Supply Roller transports the toner to the Sleeve Roller The Resin Sleeve...

Page 45: ...0 Apr 2005 20 bizhub 160 160f bizhub 161 161f Composition Operation The Imaging Cartridge consists of a T C Toner Cartridge and a D C Drum Cartridge see the illustration below 4136M511AA T C Toner Ca...

Page 46: ...immediately after it has been removed from the printer Use utmost care to prevent the surface of the PC Drum from being dirtied Grounding of the PC Drum The ground contact point Ground Plate for the P...

Page 47: ...the surface of the PC Drum from the Sleeve Roller and returns it back to the Toner Hopper The same bias as that applied to the Sleeve Roller is applied to this Bias Seal thereby preventing toner from...

Page 48: ...Cartridge TC detection board detects electrically whether or not the cartridge is loaded in position 7 4 2 Interchangeability Detection The built in IC chip TC detection board detects the applicable...

Page 49: ...s at which the input voltage to the reflecting light detection sensor exceeds a predetermined period of time is counted When this count reaches a prede termined value a toner near empty or a toner emp...

Page 50: ...Pre charge Film directly deposit charge on the PC Drum they produce little ozone Further the charging voltage is low and the deposited charge is even and stable across the surface of the PC Drum The...

Page 51: ...tion varying along the length of the Exposure Lamp 4 Gamma Correction The light reflection data read by the CCD Sensor is translated to corresponding image density data 5 Zoom Processing The synchrono...

Page 52: ...he surface of the original directing it to the 2nd Mirror 3 2nd Mirror Reflects the light reflected off the 1st Mirror directing it to the 3rd 5th Mirror 4 3rd 5th Mirror Reflects the light reflected...

Page 53: ...eed at which the Scanner moves for scan and return motion is controlled by varying the period of the motor drive pulse that is timed with the reference clock The number of motor drive pulses as determ...

Page 54: ...b 161 161f Composition Operation 9 PH Print Head section 9 1 Construction The laser beam light emitted from the Print Head is used to scan the image as driven by the Polygon Motor Polygon Mirror G2 Le...

Page 55: ...p and fed into the printer The printing is started when the Controller Mechanical Control Board sends a VIDEO signal to the Print Head a given period of time after the leading edge of the paper actu a...

Page 56: ...n issued the Controller Mechanical Control Board outputs a laser ON signal The laser ON signal makes a laser beam to be emitted and the laser beam travels to the Polygon Mirror G1 Lens and the SOS Mir...

Page 57: ...t start signal HSYNC output from the Controller Mechanical Control Board and the width of the paper The laser emission area is determined by the paper size 9 4 2 Sub scanning Direction The print start...

Page 58: ...e Paper Lifting Plate Then the top sheet of paper loaded in the tray is taken up and fed into the printer The actual length of paper is detected based on the period of time through which the Paper Tak...

Page 59: ...he actuator is raised to block the Paper Empty Sensor When paper runs out the actuator drops into the hole in the tray unblocking the Paper Empty Sensor 10 1 4 Paper Take up Retry Function To reduce t...

Page 60: ...nsfer Roller at all times during the print cycle This results in a very little amount of ozone being produced and there is a little chance of a double transferred image occurring To clean the Image Tr...

Page 61: ...by the Fusing Roller Heater Lamp and the Pressure Roller This permanently fixes the toner image in the paper Electrical Parts Control Signal Blocked Unblocked WIRING DIAGRAM PS1 PWB P MPJ8P 3 L H B 7...

Page 62: ...n power consumption The temperature control mode when the control is resumed when power is turned ON the Front Door is opened and closed or the Energy Save mode is canceled is set according to the mod...

Page 63: ...mined level mode 1 is completed and mode 2 starts Mode 2 Mode 2 lasts for 208 sec Mode 3 Mode 3 continues until the temperature control is interrupted by opening and closing the Front Door etc 12 2 4...

Page 64: ...d OFF to shut down the output of the Heater Lamp Hard protect As a protection should there be a software failure the Thermostat is used to shut down current to the Heater Lamp when the temperature of...

Page 65: ...ism The paper exit mechanism transports the paper that has been subjected to the fusing process onto the Exit Roller The Exit Sensor detects not only a paper misfeed but also an open Upper Cover Elect...

Page 66: ...and left frames of the printer draw outside air from the outside into the printer interior and discharge heat inside the printer out It thereby prevents the temperature of the PH Unit and the printer...

Page 67: ...allowing the printer to detect the posi tion of the cover whether the cover is raised or lowered This magnet attracts the Original Cover Set Sensor provided on the printer side thus activating the sen...

Page 68: ...Theory of Operation Ver 1 0 Apr 2005 15 Data flow diagram 43 bizhub 160 160f bizhub 161 161f Composition Operation 15 Data flow diagram 4980M501AA...

Page 69: ...15 Data flow diagram Theory of Operation Ver 1 0 Apr 2005 44 bizhub 160 160f bizhub 161 161f Composition Operation 1 GDI Print Data Flow 2 PCL Print Data Flow 4980S526AA 4980M502AA...

Page 70: ...Theory of Operation Ver 1 0 Apr 2005 15 Data flow diagram 45 bizhub 160 160f bizhub 161 161f Composition Operation 3 FAX Memory TX Data Flow 4 FAX Hook TX Data Flow 4980S521AA 4980S522AA...

Page 71: ...15 Data flow diagram Theory of Operation Ver 1 0 Apr 2005 46 bizhub 160 160f bizhub 161 161f Composition Operation 5 FAX RX and Print Data Flow 6 TWAIN Scan Data Flow 4980S524AA 4980S523AA...

Page 72: ...Theory of Operation Ver 1 0 Apr 2005 15 Data flow diagram 47 bizhub 160 160f bizhub 161 161f Composition Operation 7 Network GDI Print Data Flow 4980S525AA...

Page 73: ...15 Data flow diagram Theory of Operation Ver 1 0 Apr 2005 48 bizhub 160 160f bizhub 161 161f Composition Operation 8 Network PCL Print Data Flow 4980M503AA...

Page 74: ...Theory of Operation Ver 1 0 Apr 2005 15 Data flow diagram 49 bizhub 160 160f bizhub 161 161f Composition Operation 9 I FAX Data Flow 4980S527AA...

Page 75: ...15 Data flow diagram Theory of Operation Ver 1 0 Apr 2005 50 bizhub 160 160f bizhub 161 161f Composition Operation Blank page...

Page 76: ...SERVICE MANUAL 2005 04 Ver 1 0 DF 501 THEORY OF OPERATION...

Page 77: ......

Page 78: ...ts the number of times the revision has been made To indicate clearly a section revised show in the lower outside section of the correspond ing page A number within represents the number of times the...

Page 79: ......

Page 80: ...tion Operation 3 Components 3 4 Drive 3 5 Operation 4 5 1 Original Feed Section 4 5 1 1 Document Take up Mechanism 4 5 1 2 Document Separation Mechanism 5 5 2 Transport Exit Section 6 5 2 1 Document T...

Page 81: ...DF 501 Outline Composition Operation Theory of Operation Ver 1 0 Apr 2005 ii Blank page...

Page 82: ...minute with plain A4 or Letter paper Original feeding Mode Standard mode Power source DC 24 V DC 5 V supplied by main unit Power consumption Less than 30 W Dimension W 497 mm D 355 mm H 80 mm W 19 5...

Page 83: ...2 Paper path Theory of Operation Ver 1 0 Apr 2005 2 DF 501 Outline 2 Paper path 1382t1c001aa Original is fed Image read position Transports to the original exit tray...

Page 84: ...DF 501 Composition Operation Composition Operation 3 Components 4 Drive 1382t2c001aa Original fed section Image read position Transports Exit section 1382M007AA Pick up Roller Take up Roller Transport...

Page 85: ...ism with the raising and lower ing motion of the Pick up Roller The Pick up Roller and Take up Roller turn to take up and feed the original properly The Pick up Roller transports the original up to th...

Page 86: ...up and fed through the space between the Take up Roller and Separator Pad is same as that on the backside of the sheet of paper allows the Take up Roller to fed the paper When two or more sheets of p...

Page 87: ...turns to transport the original up to the document scanning position of the printer The Main Motor drives the Transport Roller through a gear train Electrical Component Control Signal ON OFF WIRING DI...

Page 88: ...s the Leading Edge Detection Sensor and is fed onto the Document Exit Tray The Main Motor turns the Exit Roller through a gear train Electrical Component Control Signal ON OFF WIRING DIAGRAM M5 DF PWB...

Page 89: ...rinter to detect the position of the Document Feeder whether the Document Feeder is raised or lowered This magnet attracts the Original Cover Set Sensor provided on the printer side thus activating th...

Page 90: ...SERVICE MANUAL 2005 04 Ver 1 0 PF 501 THEORY OF OPERATION...

Page 91: ......

Page 92: ...ts the number of times the revision has been made To indicate clearly a section revised show in the lower outside section of the correspond ing page A number within represents the number of times the...

Page 93: ......

Page 94: ...heory of Operation Ver 1 0 Apr 2005 i CONTENTS Outline 1 Product specification 1 Composition Operation 2 Operation 3 2 1 Paper Take up Mechanism 3 2 2 Paper Separating Mechanism 4 2 3 Paper Empty Dete...

Page 95: ...PF 501 Outline Composition Operation Theory of Operation Ver 1 0 Apr 2005 ii Blank page...

Page 96: ...Plain and recycled paper 60 to 90 g m2 16 to 24 lb Media sizes A4 and Letter Paper capacity Maximum 500 sheets 80 g m2 21 lb Registration Center Power source DC 24 V DC 5 V supplied by main unit Power...

Page 97: ...1 Product specification Theory of Operation Ver 1 0 Apr 2005 2 PF 501 Outline Blank page...

Page 98: ...s the same as that for Tray 1 The paper separation mechanism uses the Paper Separator Fingers provided in the cas sette and the elasticity the paper has in its own right It ensures that only one sheet...

Page 99: ...fed into the copier with the top sheets of paper To prevent this situation from occurring there ia a Friction Plate pro vided on top of the Paper Lifting Plate 2 3 Paper Empty Detection There is a Pap...

Page 100: ...ning ON the switch The Cassette Type Detection Switch consists of three switches The combination of these switches that turn either ON or OFF allows the printer to deter mine the cassette type paper s...

Page 101: ...2 Operation Theory of Operation Ver 1 0 Apr 2005 6 PF 501 Composition Operation Blank page...

Page 102: ...SERVICE MANUAL 2005 04 Ver 1 0 NC 501 SU 502 THEORY OF OPERATION...

Page 103: ......

Page 104: ...ts the number of times the revision has been made To indicate clearly a section revised show in the lower outside section of the correspond ing page A number within represents the number of times the...

Page 105: ......

Page 106: ...pecifications 1 Composition Operation 2 Data flow diagram 3 2 1 Data Flow Diagram for Network GDI Printing 3 2 2 Data Flow Diagram for Network PCL Printing 4 2 3 Data Flow Diagram for N Scanner I Fax...

Page 107: ...NC 501 SU 502 Outline Composition Operation Theory of Operation Ver 1 0 Apr 2005 ii Blank page...

Page 108: ...xt plain image tiff I FAX Communication Protocol TX SMTP RX POP3 I FAX Data Format E Mail Format MIME Attached File format Transmission TIFF S Reception TIFF F I FAX Cording method Transmission MH Rec...

Page 109: ...1 Product specifications Theory of Operation Ver 1 0 Apr 2005 2 NC 501 SU 502 Outline Blank page...

Page 110: ...CD Motor DRV EEPROM CA RISC M C MPU USB P1284 Flash ROM Flash ROM Flash ROM Flash ROM ADF Sensors Panel IA2 CODEC CCD Module SDRAM SO DIMM Socket SDRAM SDRAM DIMM Socket RISC PA SDRAM PHY ARM NET SRAM...

Page 111: ...RV EEPROM CA RISC M C MPU USB P1284 Flash ROM Flash ROM Flash ROM Flash ROM ADF Sensors Panel IA2 CODEC CCD Module SDRAM SO DIMM Socket SDRAM SDRAM DIMM Socket RISC PA SDRAM PHY ARM NET SRAM RTC MODEM...

Page 112: ...RISC M C MPU USB P1284 Flash ROM Flash ROM Flash ROM Flash ROM ADF Sensors Panel IA2 CODEC CCD Module SDRAM SO DIMM Socket SDRAM SDRAM DIMM Socket RISC PA SDRAM PHY ARM NET SRAM RTC MODEM NCU RJ45 Net...

Page 113: ...tion 3 Electrical components 3 1 Network Interface Card U11 Internet Fax Network Scan Kit U9 EEPROM U12 FlashROM U13 SDRAM U14 SDRAM P401 Hookup Connector to PCL Control Board P402 Hookup Connector to...

Page 114: ...us display Orange LED Network Interface Card status display 4980G511AA Green LED CN105 P502 Orange LED LEDs Status Green LED Green ON This is lit when the network cable is connected correctly If this...

Page 115: ...3 Electrical components Theory of Operation Ver 1 0 Apr 2005 8 NC 501 SU 502 Composition Operation Blank page...

Page 116: ...TECHNOLOGIES INC Printed in Japan Printed in Japan DD4980CE1 1000 DD4980CE1 1000 Use of this manual should be strictly supervised to avoid disclosure of confidential information Use of this manual sh...

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