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Konica Minolta bizhub 211, Service Manual

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Konica Minolta bizhub 211 Service Manual Download Page 54

Theory of Operation Ver. 1.0 Apr. 2007

9. Imaging unit

23

bizhub 163/21

1/220

Composition/Operation

9.

Imaging unit

9.1

Construction

A08EC517AA

A08EC509AA

A08EC581AA

PC Drum 
Paper Separa-
tor Fingers

Developing Roller

PC Drum

1st Toner Conveying Roller

2nd Toner Conveying Roller

3rd Toner Conveying Roller

PC Drum Charge 
Corona

Cleaning Blade

Summary of Contents for bizhub 211

Page 1: ...SERVICE MANUAL 2007 04 Ver 1 0 THEORY OF OPERATION...

Page 2: ...ASE OF AN ACCIDENT S 19 Composition of the service manual C 1 Notation of the service manual C 2 bizhub 163 211 220 main body Outline 1 Composition Operation 11 DF 605 MK 501 Outline 1 Composition Ope...

Page 3: ...ii Composition Operation 3...

Page 4: ...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 5: ...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 6: ...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 7: ...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 8: ...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 9: ...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 10: ...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 in safety c...

Page 11: ...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 12: ...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 13: ...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 14: ...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 15: ...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 16: ...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 17: ...and 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 re...

Page 18: ...an anv ndaren uts ttas f r osynlig laserstr lning som verskrider gr nsen f r laserklass 1 halvledarlaser Den maximala effekten f r laserdioden 5 mW v gl ngden 770 795 nm VARO Avattaessa ja suojalukitu...

Page 19: ...S 16 5 2 Laser Safety Label A laser safety label is attached to the inside of the machine as shown below 5 3 Laser Caution Label A laser caution label is attached to the outside of the machine as sho...

Page 20: ...d 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 dangerous...

Page 21: ...be taken to avoid burns and electric shock CAUTION WARNING INDICATIONS ON THE MACHINE A09AP0C504DA High voltage High temperature High voltage You may be burned or injured if you touch any area that y...

Page 22: ...f a serious accident has been received from a customer an on site evalua tion must be carried out quickly and KMBT must be notified 3 To determine the cause of the accident conditions and materials mu...

Page 23: ...MEASURES TO TAKE IN CASE OF AN ACCIDENT S 20 Blank Page...

Page 24: ...ormation The basic configuration of each section is as follows However some options may not be applied to the following configuration Theory of Operation section Field Service section OUTLINE Explanat...

Page 25: ...S abbreviation for Short edge feeding on the paper size No specific notation is added for the long edge feeding When the size has only the short edge feeding with no long edge feeding S will not be ad...

Page 26: ...SERVICE MANUAL 2007 04 Ver 1 0 THEORY OF OPERATION...

Page 27: ...represents 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 ti...

Page 28: ...2 Control Block Diagram 12 7 Scanner IR 13 7 1 Composition 13 7 2 Drive 14 7 3 Operation 15 7 3 1 Scanner Moving Mechanism Control 15 7 3 2 Original Size Detection 16 7 3 3 Determination of Original S...

Page 29: ...ansfer and paper separation section 37 14 1 Composition 37 14 2 Drive 37 14 3 Operation 38 14 3 1 Image Transfer Section 38 14 3 2 Paper Separation Section 38 15 Toner recovery 39 15 1 Composition 39...

Page 30: ...1 Composition for bizhub 163 53 19 2 Composition for bizhub 211 220 54 19 3 Drive 55 19 4 Operation 55 19 4 1 Fusing Roller Pressure Mechanism 55 19 4 2 Fusing Temperature Control for bizhub 163 56 19...

Page 31: ...bizhub 163 211 220 Outline Composition Operation Theory of Operation Ver 1 0 Apr 2007 iv Blank Page...

Page 32: ...d upon shipment from factory 5 Standard only on bizhub 220 but separately packaged upon shipment from factory 1 bizhub 163 211 220 1 8 Paper feed unit PF 502 2 Original cover OC 504 2 9 Desk DK 703 3...

Page 33: ...r 1 0 Apr 2007 2 bizhub 163 211 220 Outline 2 2 System rear view It is not possible to mount these units at the same time 1 Expanded memory unit EM 103 3 Image controller IC 206 2 Fax kit FK 506 4 Net...

Page 34: ...e 15 sec or less bizhub 211 bizhub 220 30 sec or less bizhub 163 when the auxiliary power switch is turned ON from a stabilized state in which the main power switch is ON and auxiliary power switch is...

Page 35: ...S Invoice 8K 16K FLS Manual bypass Paper capacity Tray 1 Plain paper recycled paper 250 sheets Special paper thick paper overhead projector transparencies postcards label sheets 20 sheets Envelopes 10...

Page 36: ...230 area 1250 W 10 or less Dimensions 599 W x 620 D x 520 H mm 1 760 W x 620 D x 604 H mm 2 bizhub 220 for China 760 W x 620 D x 520 H mm 2 bizhub 163 for China Space requirements 998 W x 665 D mm biz...

Page 37: ...l time transmission is supported only with the document feeder Transmission mode G3 Compatible wiring General subscriber telephone line NCC each line Connection method Direct connection using a modula...

Page 38: ...1 Automatic document feeder DF 502 Option 7 Paper feed unit PF 502 Option 2 Scanner 8 Copy table DK 703 Option 3 Job separator JS 503 Option 9 Paper feed tray 1 4 Fusing unit 10 PH unit 5 Image transf...

Page 39: ...4 Paper path Theory of Operation Ver 1 0 Apr 2007 8 bizhub 163 211 220 Outline 4 Paper path 4034G503BA...

Page 40: ...ic latent image is formed 5 Drum Charging A uniform negative DC charge is deposited across the entire surface of the PC Drum 6 Laser Exposure The laser beam strikes the surface of the PC Drum forming...

Page 41: ...toner is then recycled back to the Developing Unit 12 Main Erase The surface of the PC Drum is irradiated with light and any sur face potential remaining there after cleaning is neutralized 13 Fusing...

Page 42: ...0 Apr 2007 6 Overall configuration 11 bizhub 163 211 220 Composition Operation Composition Operation 6 Overall configuration 6 1 Timing Chart at Power ON A08EE569AA Fusing cooling fan motor FM1 Power...

Page 43: ...ation 6 2 Control Block Diagram A08EC506AA Operation Panel IR CCD MFP board MFPB EM 103 NC 503 or IC 206 Document related option FAXB NCUB Printer control board PRCB PH PU Process Motor Sensor DC Powe...

Page 44: ...tion Operation 7 Scanner IR 7 1 Composition A08EC514AA A08EC508AA A08EC579AA Scanner motor M5 CCD board CCDB Scanner Assy Exposure Lamp Scanner home position sensor PS100 Original size sensor 1 PS101...

Page 45: ...7 Scanner IR Theory of Operation Ver 1 0 Apr 2007 14 bizhub 163 211 220 Composition Operation 7 2 Drive A08EC515AA...

Page 46: ...e Scanner moves to the original size detection position 2 When the Original Cover or ADF is raised to an angle of less than 15 with an orig inal placed on the Original Glass when the Original Cover Se...

Page 47: ...er then moves to the scanning position under the ADF glass The original is scanned as it is moved 3 After the original has been scanned the home position of the Scanner is detected Then the Scanner mo...

Page 48: ...rd For Inch and Latin America Inch areas Pattern 1 Pattern 2 PS102 is an option Original Size Sensor 144 7 mm 220 9 mm 221 0 mm PS101 PS102 OFF Invoice S Letter S Letter ON Legal S Legal S 11 17 S Ori...

Page 49: ...6K S A4 S B5 B5 16K A4 ON FLS S FLS S FLS S FLS S FLS S B4 S 8K S A3 Original Size Sensor 143 9 mm 153 0 mm 187 0 mm 200 0 mm 213 0 mm 220 9 mm 225 0 mm 262 0 mm 274 7 mm 284 4 mm 284 5 mm PS 101 PS 1...

Page 50: ...220 9 mm 221 0 mm PS101 PS102 OFF Invoice S Letter S Letter ON FLS S FLS S 11 17 S Original Size Sensor 143 9 mm 153 0 mm 187 0 mm 213 0 mm 220 9 mm 225 0 mm 262 0 mm 284 4 mm 284 5 mm PS101 PS102 OF...

Page 51: ...S A4 S B5 B5 16K A4 ON Legal S Legal S Legal S Legal S Legal S B4 S 8K S A3 Original Size Sensor 143 9 mm 153 0 mm 187 0 mm 200 0 mm 213 0 mm 220 9 mm 225 0 mm 262 0 mm 274 7 mm 284 4 mm 284 5 mm PS...

Page 52: ...of Operation Ver 1 0 Apr 2007 8 PH Writing section 21 bizhub 163 211 220 Composition Operation 8 PH Writing section 8 1 Composition A08EC516AA A08EC508AA A08EC580AA Polygon Motor f Lens SOS Sensor LD...

Page 53: ...d off the Polygon Mirror is directed at the PC Drum by way of the lens and return mirror The Polygon Mirror has seven faces being turned at high speeds by the Polygon Motor The SOS Mirror and SOS Sens...

Page 54: ...220 Composition Operation 9 Imaging unit 9 1 Construction A08EC517AA A08EC509AA A08EC581AA PC Drum Paper Separa tor Fingers Developing Roller PC Drum 1st Toner Conveying Roller 2nd Toner Conveying Ro...

Page 55: ...220 Composition Operation 9 2 Operation The Main Motor provides drive for the PC Drum Developing Roller and other mechani cal components A08EC562AA Recycled Toner Conveying Screw Recycled Toner Recyc...

Page 56: ...Theory of Operation Ver 1 0 Apr 2007 10 PC Drum 25 bizhub 163 211 220 Composition Operation 10 PC Drum 10 1 Composition 10 2 Drive A08EC509AA A08EC582AA A08EC563AA...

Page 57: ...andling Precaution The PC Drum of this type exhibits light fatigue after being exposed to light for a long time which results in its sensitivity being changed Always therefore wrap the drum in the PC...

Page 58: ...n the inside on its left hand side It remains in contact with the drum shaft at all times When the Imaging Unit is loaded in the copier the drum shaft comes into contact with the Ground Plate of the P...

Page 59: ...a discharge from the PC Drum Charge Corona The grid mesh interposed between the corona wire and the PC Drum ensures that a uni form charge is deposited across the entire surface of the PC Drum The cor...

Page 60: ...Theory of Operation Ver 1 0 Apr 2007 12 Developing 29 bizhub 163 211 220 Composition Operation 12 Developing 12 1 Composition 12 2 Drive A08EC509AA A08EC584AA A08EC518AA...

Page 61: ...DC AC is applied to the Developing Roller Vb DC is applied to prevent toner from sticking to the background of the image Vb AC is applied to enhance good separation of toner from carrier The amount o...

Page 62: ...ing Roller TCR Sensor 3rd Toner Conveying Roller Developing Roller 1st Toner Conveying Roller With the copier set in the TCR Sensor Automatic Adjustment mode press the Start key The developer is mixed...

Page 63: ...13 Toner replenishing Theory of Operation Ver 1 0 Apr 2007 32 bizhub 163 211 220 Composition Operation 13 Toner replenishing 13 1 Composition 13 2 Drive A08EC510AA A08EC585AA A08EC564AA...

Page 64: ...egulate the amount of toner supplied from the Toner Bottle there is a Metering Chamber provided in the outer race of the coupling 3 When the Toner Bottle turns toner in the Metering Chamber drops 4 To...

Page 65: ...alue If T C is less than 14 toner replenishing is determined according to the B W value Toner is replenished until T C becomes 14 The greater the value of B W in the table the higher the B W ratio hig...

Page 66: ...ion results however if T C falls within the range between 8 and 10 when the Front Cover is opened and closed The machine enters the T C recover mode when a T C of 10 or less is detected Toner is reple...

Page 67: ...tion 13 4 2 Toner Bottle Home Position Detection The toner supply port is on the upper side whenever the toner bottle is at its home posi tion The toner bottle home position sensor PS6 detects the ton...

Page 68: ...n Ver 1 0 Apr 2007 14 Image transfer and paper separation section 37 bizhub 163 211 220 Composition Operation 14 Image transfer and paper separation section 14 1 Composition 14 2 Drive A08EC511AA A08E...

Page 69: ...ng to the Image Transfer Roller to the PC Drum It is performed in the following timings At the start and end of a copy cycle when the Power Switch is turned ON when a mis feed or malfunction is reset...

Page 70: ...Theory of Operation Ver 1 0 Apr 2007 15 Toner recovery 39 bizhub 163 211 220 Composition Operation 15 Toner recovery 15 1 Composition 15 2 Drive A08EC509AA A08EC585AA A08EC567AA...

Page 71: ...mulative period of time through which the PC Drum has been driven reaches a predetermined value the PC Drum is turned back ward by turning the Main Motor backward Shoulder gears comprising two differe...

Page 72: ...r feed 41 bizhub 163 211 220 Composition Operation 16 Paper feed 16 1 Composition A08EC533AA A08EC557AA A08EC587AA Paper size detect board PSDTB Paper size sensor S5 Paper empty sensor 1 PS4 Feed Roll...

Page 73: ...2007 42 bizhub 163 211 220 Composition Operation 16 2 Drive The Main Motor M1 provides the drive for paper feed operations The drive is transmitted through the Paper feed solenoid 1 A08EC534AA Main m...

Page 74: ...nd Separation Roller is the same as that on the back side of the sheet of paper allowing the paper to be properly fed into the machine When two or more sheets of paper are taken up The coefficient of...

Page 75: ...r detects a paper empty condition in the drawer 16 3 4 Paper Lifting Plate The Paper Lifting Plate is locked into position when it is pressed down It is unlocked when the tray is slid into the unit Th...

Page 76: ...determines the paper size based on the combi nation of the two readings The width of the paper is detected when the lever that is operatively connected to the Edge Guide activates or deactivates the P...

Page 77: ...SW2 SW3 SW4 B4 ON Activated A3 ON ON A5 S ON ON Activated A4 ON A5 postcards ON ON ON A5 S ON ON ON Activated A4 ON ON B5 ON ON ON A4 S ON ON ON ON B5 S Paper Size Detect Board PSDTB Paper size sensor...

Page 78: ...a paper misfeed the paper take up sequence is tempo rarily halted if the paper fails to reach the Synchronizing Roller Sensor within a given period of time after the sequence has been started The pape...

Page 79: ...of Operation Ver 1 0 Apr 2007 48 bizhub 163 211 220 Composition Operation 17 Manual bypass section 17 1 Composition 17 2 Drive A08EC512AA A08EC590AA A08EC566AA Main motor M1 Paper set sensor bypass PS...

Page 80: ...ided by the Main Motor M1 The drive is transmitted through the Paper feed solenoid bypass 17 3 1 Paper Detection Mechanism The Sensor detects a sheet of paper on the Manual Bypass A08EC542AA Main moto...

Page 81: ...17 Manual bypass section Theory of Operation Ver 1 0 Apr 2007 50 bizhub 163 211 220 Composition Operation 17 3 2 Manual Feed Take Up Control A08EE573AA...

Page 82: ...ion roller section 51 bizhub 163 211 220 Composition Operation 18 Registration roller section 18 1 Composition 18 2 Drive A08EC558AA A08EC586AA A08EC545AA Registration roller Paper Dust Remover Regist...

Page 83: ...er is fed off from the transport section in time with the exposure timing of the exposure section PH Drive from the Main Motor M1 is transmitted through a gear train to the Registration roller clutch...

Page 84: ...220 Composition Operation 19 Fusing unit section 19 1 Composition for bizhub 163 Heat and pressure from the Fusing Roller permanently fuse toner onto the paper A08EC548AA A08EC559AA A08EC592AA Heater...

Page 85: ...Operation Ver 1 0 Apr 2007 54 bizhub 163 211 220 Composition Operation 19 2 Composition for bizhub 211 220 A08EE571AA Sub Heater Lamp Fusing Roller rt Pressure Lever Thermistor TH1 Thermistor TH2 Ther...

Page 86: ...ive for the fusing unit 19 4 Operation 19 4 1 Fusing Roller Pressure Mechanism To provide a nip width between the rollers a Pressure Spring is used functioning to press the Fusing Roller Rt up against...

Page 87: ...the Fusing Roller temperature becomes excessively high the Fusing Roller Heater Lamp is shut down Machine Condition or Paper Type Mode 1 Mode 2 Mode 3 Standby 180 C 180 C 170 C 170 C Plain paper widt...

Page 88: ...rresponding electrical signal If the Fusing Roller temperature becomes excessively high the Fusing Roller Heater Lamp is shut down Machine Condition or Paper Type Mode 1 Mode 2 Mode 3 Standby 180 C 18...

Page 89: ...he edges of the Fusing Rollers tends to run high mean ing that the temperature of the Fusing Rollers varies among different spots of the rollers When the cumulative number of copies made through conti...

Page 90: ...per exit for bizhub 163 59 bizhub 163 211 220 Composition Operation 20 Paper exit for bizhub 163 20 1 Composition 20 2 Drive The main motor M1 provides the drive for the exit section A08EC560AA A08EC5...

Page 91: ...on Ver 1 0 Apr 2007 60 bizhub 163 211 220 Composition Operation 21 Paper exit for bizhub 210 220 21 1 Construction 21 2 Operation The exit rollers are driven by the switchback motor M3 A08EC560AA A08E...

Page 92: ...g and devel oping bias Vb control The Vg Vb control voltage is varied to bring Vg Vb to an appropriate level according to the following settings Tech Rep Choice ID Adjustment Tech Rep Choice VG Adjust...

Page 93: ...of Operation Ver 1 0 Apr 2007 62 bizhub 163 211 220 Composition Operation 23 Others 23 1 Fan Control 23 1 1 Composition A08EC555AA A08EC556AA Power unit cooling fan motor FM2 Fusing cooling fan motor...

Page 94: ...fan motor draws air from the area around the Power Supply Unit to the outside to prevent the Power Supply Unit temperature from running high The cooling fan motor is turned at full speed when the Main...

Page 95: ...23 Others Theory of Operation Ver 1 0 Apr 2007 64 bizhub 163 211 220 Composition Operation Blank Page...

Page 96: ...SERVICE MANUAL 2007 04 Ver 1 0 THEORY OF OPERATION...

Page 97: ...represents 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 ti...

Page 98: ...er Feed Path 4 2 1 In 1 sided mode 4 2 2 In 2 sided mode 4 Composition Operation 3 Composition 5 4 Drive 6 5 Operation 7 5 1 Document pick up mechanism 7 5 1 1 Pick up operation 7 5 2 Document feed tr...

Page 99: ...DF 605 MK 501 Outline Composition Operation Theory of Operation Ver 1 0 Apr 2007 ii Blank Page...

Page 100: ...lation Screw cramp to the main unit Document alignment Center Document loading Left image side up Modes 1 sided mode 2 sided mode Type of document Standard mode Plain paper 1 Sided mode 35 to 128 g m2...

Page 101: ...P transparencies Feed failure Label Sheet Feed failure Offset master Feed failure Sheets clipped or notched Damaged sheet Sheets patched Patched part folded or torn sheet Sheets misfed Type of origina...

Page 102: ...mm A5S NG NG NG NG NG NG OK OK 128 mm B6S NG NG NG NG NG NG NG OK Max original size 11 8 5 5 5 Mixed original size 11 x 17 8 5 x 11 8 5 x 14 8 5 x 11S 5 5 x 8 5 8 5 x 5 5S 11 11 x 17 OK OK 8 5 x 11 O...

Page 103: ...Feed Path 2 1 In 1 sided mode 2 2 In 2 sided mode 4344T1C501AA 1 Feed scanning the 1st side 2 Transport and turnover 3 Exit 4344T1C502AA 1 Feed scanning the 1st side 2 Transport and switchback 3 Tran...

Page 104: ...Operation Ver 1 0 Apr 2007 3 Composition 5 Composition Operation DF 605 MK 501 Composition Operation 3 Composition 4344T2C501AA Document feed section Document exit section Conveyance section Switchbac...

Page 105: ...4 Drive Theory of Operation Ver 1 0 Apr 2007 6 DF 605 MK 501 Composition Operation 4 Drive 4344T2C502AA Transport motor M2 ADF Paper feed motor M1 ADF...

Page 106: ...riven by the Paper Feed Motor 5 1 1 Pick up operation When the Start key is pressed the Paper Feed Motor starts turning backward causing the Pick Up Roller to lower and start turning at the same time...

Page 107: ...ver Roller feed the document toward the exit direction Parts Direction of Rotation Details Paper Feed Motor M1 ADF Backward rotation The Pickup Rollers lower and start turning and the Feed Roller turn...

Page 108: ...nning of the 1st side is started after the lapse of a given period of time after the Original Detection Sensor has been activated by the leading edge of the origi nal 3 The original is transported for...

Page 109: ...Transport Motor is deenergized to stop the original after the lapse of a given period of time after the trailing edge of the 1st page has deactivated the Exit Turn over Sensor 2 The Transport Motor is...

Page 110: ...7 5 Operation 11 Composition Operation DF 605 MK 501 4 To ensure that pages of the document are in the proper order the page is turned over again before being ejected into the Exit Tray 4344T2C505AA E...

Page 111: ...t there is the Lever Actu ator provided in the DF body that blocks or unblocks a sensor to initiate a reconfirmation of the original size as read by the original size detection sensors 5 3 2 Raised lo...

Page 112: ...SERVICE MANUAL 2007 04 Ver 1 0 THEORY OF OPERATION...

Page 113: ...represents 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 ti...

Page 114: ...mposition Operation 2 Automatic Document Feeder DF 502 3 2 1 Composition 3 2 2 Drive 4 2 3 Operation 5 2 3 1 Document Pick Up and Feed 5 2 3 2 Document Transport 6 2 3 3 Document Separating Mechanism...

Page 115: ...DF 502 Outline Composition Operation Theory of Operation Ver 1 0 Apr 2007 ii Blank Page...

Page 116: ...g m2 Plain paper 60 to 90 g m2 Sizes A3 A4S A4 A5S B4 B5S B5 11 x 17 11 x 14 Legal LetterS Letter InvoiceS and Invoice A3 and A4 B4 and B5 11 x 17 and Letter Legal and LetterS Legal and Invoice Lette...

Page 117: ...1 Product specification Theory of Operation Ver 1 0 Apr 2007 2 DF 502 Outline Blank Page...

Page 118: ...ic Document Feeder DF 502 3 DF 502 Composition Operation Composition Operation 2 Automatic Document Feeder DF 502 2 1 Composition 4688C501AA 4688C502AA Main Motor Pick Up Roller Exit Rollers Registrat...

Page 119: ...2 Automatic Document Feeder DF 502 Theory of Operation Ver 1 0 Apr 2007 4 DF 502 Composition Operation 2 2 Drive 4688C503AA...

Page 120: ...r Feed Clutch and by a gear train and a belt driven by the Main Motor The Paper Empty Sensor is used to detect a document loaded on the Document Loading Tray The Document Stoppers determine the leadin...

Page 121: ...Operation 2 3 2 Document Transport The document taken up is transported to the document scanning position of the copier by the Registration Rollers The Registration Rollers are turned by a gear train...

Page 122: ...p Since the friction coefficient on the top side of the paper is equal to that on the underside of the paper the Separation Roller is turned by the Feed Roller This feeds the paper forward When two or...

Page 123: ...n Ver 1 0 Apr 2007 8 DF 502 Composition Operation 2 3 4 Document Exit Mechanism The document is fed out of the ADF by the Exit Roller The Exit Roller is driven by gears and a belt which are driven by...

Page 124: ...le the original is being taken up Each sensor is located as follows with reference to the Document Edge Guide in the rear B Document Length Detection The length of the original is detected by the Pape...

Page 125: ...2 Automatic Document Feeder DF 502 Theory of Operation Ver 1 0 Apr 2007 10 DF 502 Composition Operation Blank Page...

Page 126: ...SERVICE MANUAL 2007 04 Ver 1 0 THEORY OF OPERATION...

Page 127: ...represents 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 ti...

Page 128: ...line 1 Product specifications 1 Composition Operation 2 Duplex Unit AD 504 3 2 1 Composition 3 2 2 Drive 4 2 3 Operation 4 2 3 1 Switchback Operation 4 2 3 2 2 sided Copying with a Single Sheet of Pap...

Page 129: ...AD 504 Outline Composition Operation Theory of Operation Ver 1 0 Apr 2007 ii Blank Page...

Page 130: ...unit Type Sheet duplex paper take up section Installation Installed to the right side door Power requirements DC24 V supplied from the copier DC5 V Size A3 A4S A4 A5S A5 B4 B5S B5 FLS Ledger Legal Let...

Page 131: ...1 Product specifications Theory of Operation Ver 1 0 Apr 2007 2 AD 504 Outline Blank Page...

Page 132: ...Ver 1 0 Apr 2007 2 Duplex Unit AD 504 3 AD 504 Composition Operation Composition Operation 2 Duplex Unit AD 504 2 1 Composition 4532C515AA 4532C503AA 4532C516AA Transport motor M1 Transport sensor PS2...

Page 133: ...r the Duplex Unit 2 3 Operation 2 3 1 Switchback Operation The paper printed on one side is switched back by the exit rollers on copier to transport it into the duplex unit The switchback operation of...

Page 134: ...n of the Paper Exit Roller is reversed and the first sheet of paper is transported toward and into the Duplex Unit 3 The paper moving through the Duplex Unit is directly subjected to the second print...

Page 135: ...sheet of paper is taken up and fed in 4 The image of page 4 of the original is printed on one side of the second sheet of paper 5 At the same time the first sheet of paper is transported through the D...

Page 136: ...x Unit AD 504 7 AD 504 Composition Operation 10 While the second sheet of paper is being fed out of the copier the third sheet of paper is taken up and the image of page 6 of the original is printed 1...

Page 137: ...2 Duplex Unit AD 504 Theory of Operation Ver 1 0 Apr 2007 8 AD 504 Composition Operation Blank Page...

Page 138: ...SERVICE MANUAL 2007 04 Ver 1 0 THEORY OF OPERATION...

Page 139: ...represents 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 ti...

Page 140: ...on 2 Paper Feed Unit PF 502 3 2 1 Composition 3 2 2 Drive 4 2 3 Operation 5 2 3 1 Edge Guide and Trailing Edge Stop 5 2 3 2 Paper Lifting Plate 5 2 3 3 Tray in Position Detection 6 2 3 4 Paper Empty D...

Page 141: ...PF 502 Outline Composition Operation Theory of Operation Ver 1 0 Apr 2007 ii Blank Page...

Page 142: ...eed unit Installation Installed on the underside of the copier Type Plain paper 60 to 90 g m2 250 sheets Recycled paper 60 to 90 g m2 Sizes Metric areas A3 A4S A4 A5 B4 B5S and B5 Inch areas Ledger 11...

Page 143: ...1 Product specification Theory of Operation Ver 1 0 Apr 2007 2 PF 502 Outline Blank Page...

Page 144: ...1 0 Apr 2007 2 Paper Feed Unit PF 502 3 PF 502 Composition Operation Composition Operation 2 Paper Feed Unit PF 502 2 1 Composition 4686C501AA 4686C502AA 4686C512AA Trailing Edge Stop Side Door Paper...

Page 145: ...er 1 0 Apr 2007 4 PF 502 Composition Operation 2 2 Drive Drive from the Main Motor M1 is transmitted via a gear train to the paper feed mecha nism for the Paper Feed Unit 4686C503AA Paper Feed Drive M...

Page 146: ...Edge Stop can be slid into any desired position 2 3 2 Paper Lifting Plate The Paper Lifting Plate is locked into position when it is pressed down It is unlocked when the tray is slid into the unit Th...

Page 147: ...tion When a tray is slid into the cabinet the Tray Set Sensor is blocked and the copier deter mines that the tray has been slid in position 2 3 4 Paper Empty Detection The Paper Empty Sensor detects a...

Page 148: ...hen the lever that is operatively connected to the Edge Guide activates or deactivates the Paper Size Detect switch The length of the paper is detected when the lever that is operatively connected to...

Page 149: ...iction force of the Paper Lift ing Plate is low the bottom sheet of paper is taken up and fed into the copier with the top sheet of paper To prevent this situation from occurring there is a Friction P...

Page 150: ...ized a second time to carry out a paper feed retry sequence if a sheet of paper fails to reach the Registration sensor for the 2nd Tray or the Paper feed sensor for the 3rd to 5th Tray within a given...

Page 151: ...2 Paper Feed Unit PF 502 Theory of Operation Ver 1 0 Apr 2007 10 PF 502 Composition Operation Blank Page...

Page 152: ...SERVICE MANUAL 2007 04 Ver 1 0 THEORY OF OPERATION...

Page 153: ...represents 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 ti...

Page 154: ...CONTENTS MB 501 Outline 1 Product specification 1 Composition Operation 2 Multiple Bypass MB 501 3 2 1 Composition 3 2 2 Drive 4 2 3 Operation 5 2 3 1 Paper Feed Mechanism 5 2 3 2 Paper Empty Detecti...

Page 155: ...MB 501 Outline Composition Operation Theory of Operation Ver 1 0 Apr 2007 ii Blank Page...

Page 156: ...ype Plain paper 60 to 90 g m2 100 sheets OHP film 20 sheets Thick paper 91 to 157 g m2 Postcards and labels Envelopes 10 sheets Recycled paper 60 to 90 g m2 100 sheets Size Width 90 X 297 mm Length 14...

Page 157: ...1 Product specification Theory of Operation Ver 1 0 Apr 2007 2 MB 501 Outline Blank Page...

Page 158: ...1 0 Apr 2007 2 Multiple Bypass MB 501 3 MB 501 Composition Operation Composition Operation 2 Multiple Bypass MB 501 2 1 Composition 4687C501AA 4687C502AA 4687C509AA Feed Roller Paper empty sensor PS1...

Page 159: ...Apr 2007 4 MB 501 Composition Operation 2 2 Drive Drive for bypass paper feed is provided by the Main Motor M1 The drive is transmitted through the Paper feed Solenoid 4687C503AA Main motor M1 Paper...

Page 160: ...escent motion of the Paper Lifting Plate is accomplished when the drive from the motor is transmitted to the cam through a solenoid to rotate the cam 4687C504AA Paper feed solenoid SD1 Drive from Main...

Page 161: ...MB 501 Composition Operation 2 3 2 Paper Empty Detection Mechanism The Paper Empty Sensor detects a sheet of paper on the Multiple Bypass 2 3 3 Paper Feed Control 4687C506AA When Paper is Present Whe...

Page 162: ...f a paper misfeed the paper feed sequence is temporarily halted if the paper fails to reach the Registration Roller Sensor within a given period of time after the sequence has been started The paper f...

Page 163: ...2 Multiple Bypass MB 501 Theory of Operation Ver 1 0 Apr 2007 8 MB 501 Composition Operation Blank Page...

Page 164: ...SERVICE MANUAL 2007 04 Ver 1 0 THEORY OF OPERATION...

Page 165: ...represents 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 ti...

Page 166: ...1 0 Apr 2007 i CONTENTS JS 503 Outline 1 Product specification 1 Composition Operation 2 Job Separator JS 503 3 2 1 Construction 3 2 2 Operation 4 2 2 1 Tray Selecting Mechanism 5 2 2 2 Tray Full Dete...

Page 167: ...JS 503 Outline Composition Operation Theory of Operation Ver 1 0 Apr 2007 ii Blank Page...

Page 168: ...he exit section of the copier Paper storage system Moving drawer system Upper drawer Lower drawer Plain paper 60 to 90 g m2 100 sheets A4S 50 sheets other than A4S Load height up to 22 mm 150 sheets A...

Page 169: ...1 Product specification Theory of Operation Ver 1 0 Apr 2007 2 JS 503 Outline Blank Page...

Page 170: ...tion Composition Operation 2 Job Separator JS 503 2 1 Construction 4688C510AA 4689C501AA 4689C507AA Paper detecting board PSDB Bin switching motor M1 Lower home position sensor PS2 Upper home position...

Page 171: ...Job Separator JS 503 Theory of Operation Ver 1 0 Apr 2007 4 JS 503 Composition Operation 2 2 Operation The Main Motor M1 provides drive for the Job Separator 4689C502AA Paper detecting board M1 Job Tr...

Page 172: ...rinter mode The Exit Tray of the copier is for the copier The Job Tray is on the other hand for the fax and printer The corresponding tray is selected through the operation of the motor and sensor as...

Page 173: ...x 20 sec 2 2 3 Job Tray Paper Detecting Mechanism If paper is fed into the Job Tray when the machine is in a mode in which paper is fed into the Exit Tray Job Tray in the raise position the indicator...

Page 174: ...SERVICE MANUAL 2007 04 Ver 1 0 THEORY OF OPERATION...

Page 175: ...represents 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 ti...

Page 176: ...on Operation Theory of Operation Ver 1 0 Apr 2007 i CONTENTS SF 501 Outline 1 Product specifications 1 Composition Operation 2 SHIFTING UNIT SF 501 3 2 1 Composition 3 2 2 Operation 4 2 2 1 Exit Posit...

Page 177: ...SF 501 Outline Composition Operation Theory of Operation Ver 1 0 Apr 2007 ii Blank Page...

Page 178: ...utline 1 Product specifications A Machine specifications B Operating environment Conforms to the operating environment of the main body NOTE These specifications are subject to change without notice S...

Page 179: ...1 Product specifications Theory of Operation Ver 1 0 Apr 2007 2 SF 501 Outline Blank Page...

Page 180: ...n Ver 1 0 Apr 2007 2 SHIFTING UNIT SF 501 3 SF 501 Composition Operation Composition Operation 2 SHIFTING UNIT SF 501 2 1 Composition 4690C501AA 4690C502AA 4690C505AA SF drive board SFDB Home sensor P...

Page 181: ...he paper that travels along a straight path is fed straight into the Shifting Unit without being shifted sideways as the Exit Roller turns Shifted Feeding When the trailing edge of the paper transport...

Page 182: ...2007 04 Ver 1 0 2007 KONICA MINOLTA BUSINESS TECHNOLOGIES INC Printed in Japan DDA09A M TE1 Use of this manual should be strictly supervised to avoid disclosure of confidential information...

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