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Developing section

QC 2235plus Theory of Operation Ver.1.0 Feb. 2004

2-22

II Compos

iti

on/

Ope

ra

tionn

8.3

Operation

8.3.1

Developing Drive control

8.3.2

Developer flow

1.

Toner supplied from the front end of the Developing Unit is fed to the lower screw. It is
then fed to the rear of the unit, while being mixed with developer and electrically
charged by the Supply/Agitating/Conveying Screws.

2.

The ATDC Sensor installed on the underside of the Developing Unit detects toner-to-
carrier ratio during this time.

3.

The developer, fed to the rear of the Developing Unit, is conveyed further to the upper
screw.

4.

Because of the magnetic pole positioning of the Developing Roller, the developer is
conveyed onto the upper part of the Developing Roller. The Doctor Blade then controls
the height of the developer brush to ensure that the developer on the Developing Roller
levels out.

5.

The Toner sticks to the electrostatic latent image on the surface of the PC Drum. The
developer that is left on the Sleeve is returned to the upper screw by the magnetic pole
positioning of the Developing Roller. It is then conveyed to the front side of the Develop-
ing Unit.

4036ma2152c0

Main Motor ON Signal

Retraction Signal

Main Motor (M1)

Color PC Drum Motor (M5)

Bk PC Motor (M7)

Drum Charge Corona Bias Bk

Color Developing Motor (M6)

Developing Clutch/Bk (CL2)

1st Image Transfer Pressure/

Retraction Motor (M11)
2nd Image Transfer Pressure/

Retraction Motor (M13)

Developing Bias/Bk

Developing Bias/Y, M, C

AC *1

DC

DC

Printing DC

AC *1

DC

DC

Printing DC

Drum Charge Corona Bias Y, M, C

*1: Actual YMC timing depends on the position of each PC Drum.

4036ma2605c0

Supply/Agitating/Conveying Screws

Toner Supplied
from Hopper

PC Drum/Y

Developing Roller

Doctor Blade

For IU/Y

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Содержание QC 2235 Plus

Страница 1: ...DEVELOP SERVICE MANUAL THEORY OF OPERATION QC 2235plus ...

Страница 2: ......

Страница 3: ...n the course 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 expressions DANGER WARNING and CAUTION is defined as follows together with a symbol mark to be used in a limited meaning When servicing the product the relevant works disassembling reassembling ad...

Страница 4: ...mance 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 DANGER PROHIBITED ACTIONS Using any cables or power cord not specified by Develop Using any fuse or thermostat not specified by Develop Safety will not be assured leading to a risk of fire and injury Disabling fuse fu...

Страница 5: ...ug the power cord into the dedicated wall outlet with a capacity greater than the maximum power consumption If excessive current flows in the wall outlet fire may result If two or more power cords can be plugged into the wall outlet the total load must not exceed the rating of the wall outlet If excessive current flows in the wall outlet fire may result WARNING Power Plug and Cord Make sure the po...

Страница 6: ...and risk of fire Check whether the power cord is not stepped on or pinched by a table and so on Overheating may occur there leading to a risk of fire Do not bundle or tie the power cord Overheating may occur there leading to a risk of fire Check whether dust is collected around the power plug and wall outlet Using the power plug and wall outlet without removing dust may result in fire Do not inser...

Страница 7: ... current leakage occurs in an ungrounded product you may suffer electric shock while operating the product Connect power plug to grounded wall outlet WARNING Prohibited Installation Place Do not place the product near flammable materials or vola tile materials that may catch fire A risk of fire exists Do not place the product in a place exposed to water such as rain A risk of fire and electric sho...

Страница 8: ... a injury CAUTION Inspection before Servicing Before conducting an inspection read all relevant docu mentation service manual technical notices etc and proceed with the inspection following the prescribed pro cedure using only the prescribed tools Do not make any adjustment not described in the documentation If the prescribed procedure or tool is not used the prod uct may break and a risk of injur...

Страница 9: ...ts Check the exterior and frame for edges burrs and other damages The user or CE may be injured Do not allow any metal parts such as clips staples and screws to fall into the product They can short internal circuits and cause electric shock or fire Check wiring for squeezing and any other damage Current can leak leading to a risk of electric shock or fire Carefully remove all toner remnants and du...

Страница 10: ...cause explosion After replacing a part to which AC voltage is applied e g optical lamp and fixing lamp be sure to check the installa tion state A risk of fire exists Check the interlock switch and actuator for loosening and check whether the interlock functions properly If the interlock does not function you may receive an electric shock or be injured when you insert your hand in the product e g f...

Страница 11: ...ou may be burned due to dust explosion CAUTION HANDLING OF SERVICE MATERIALS Unplug the power cord from the wall outlet Drum cleaner isopropyl alcohol and roller cleaner ace tone based are highly flammable and must be handled with care A risk of fire exists Do not replace the cover or turn the product ON before any solvent remnants on the cleaned parts have fully evaporated A risk of fire exists U...

Страница 12: ...ON 1 Safety of users and customer engineers depends highly on accurate maintenance and administration Therefore safety can be maintained by the appropriate daily service work conducted by the customer engineer 2 When performing service each product on the site must be tested for safety The cus tomer engineer must verify the safety of parts and ensure appropriate management of the equipment 5 FUSE ...

Страница 13: ...ls shown are attached in some areas on in the machine When accessing these areas for maintenance repair or adjustment special care should be taken to avoid burns and electric shock INDICATION OF WARNING ON THE MACHINE 4036fsS001c0 High voltage High voltage High temperature High temperature ...

Страница 14: ...SAFETY AND IMPORTANT WARNING ITEMS QC 2235plus Field Service Ver1 0 Mar S 12 4036fsS002c0 4036fsS003c0 Do not throw into a fire High voltage High voltage ...

Страница 15: ...DEVELOP SERVICE MANUAL THEORY OF OPERATION QC 2235plus Main Unit ...

Страница 16: ......

Страница 17: ...omposition Operation 1 Overall composition 2 1 1 1 Timing chart at machine power up 2 1 1 2 Control block diagram 2 2 2 Scanner section IR section 2 3 2 1 Composition 2 3 2 2 Drive 2 5 2 3 Operation 2 5 2 3 1 Scan and Exposure Lamp control 2 5 2 3 2 Original Size Detection control 2 6 3 Write section PH section 2 9 3 1 Composition 2 9 3 2 Operation 2 10 3 2 1 Outline 2 10 3 2 2 Color Shift Correct...

Страница 18: ...2 23 7 3 5 Developer scattering prevention mechanism 2 23 7 3 6 ATDC Sensor control 2 24 8 Toner Supply section 2 26 8 1 Composition 2 26 8 2 Drive 2 27 8 3 Operation 2 28 8 3 1 Toner Replenishing mechanism control 2 28 8 3 2 Toner Near Empty and Toner Empty detection control 2 29 8 3 3 Shutter mechanism 2 30 9 Transfer Corona section 2 31 9 1 Composition 2 31 9 1 1 1st Image Transfer section 2 31...

Страница 19: ... 2 51 11 1 Composition 2 51 11 1 1 Tray1 2 51 11 1 2 Tray2 2 52 11 2 Drive 2 54 11 2 1 Tray1 2 54 11 2 2 Tray2 2 54 11 3 Operation 2 55 11 3 1 Paper Take up control Tray1 2 55 11 3 2 Tray1 double feed control 2 55 11 3 3 Deceleration control 2 55 11 3 4 Paper supply level detection control 2 56 11 3 5 Paper Near Empty Paper Empty detection 2 56 11 3 6 Tray1 paper type detting 2 57 11 3 7 Paper siz...

Страница 20: ...5 3 6 PPM control 2 81 16 Paper exit section 2 82 16 1 Composition 2 82 16 2 Drive 2 83 17 Image stabilization control 2 84 17 1 Overview 2 84 17 2 Operation 2 85 17 2 1 Background margin control 2 85 17 2 2 AIDC Sensor LED intensity control 2 85 17 2 3 Max density control 2 85 17 2 4 g correction control 2 85 17 3 Operation timing 2 85 17 4 Operation flow 2 86 18 Image processing 2 87 18 1 Scanne...

Страница 21: ... Job Separator JS 601 2 Automatic Duplex Unit AD 501 9 Finisher FS 601 3 Paper Feed Cabinet PC 201 10 Punch Kit PK 4 for FS 601 4 Paper Feed Cabinet PC 101 11 Reverse Automatic Document Feeder DF 601 5 Desk DK 501 12 Original Cover OC 501 6 Paper Feed Cabinet PC 401 13 Working Table WT 501 7 Finisher FS 501 1 7 8 6 5 11 10 9 4 2 3 12 13 4036fs1001j0 ...

Страница 22: ... 501 South Central America North America Europe Only 8 Mechanical Counter 3 Data Terminal DT 105 South Central America North America Only 9 Key Counter Kit KIT 1 4 Dehumidifier Heater 1C 10 Hard Disk HD 501 5 Video Interface Kit VI 501 11 Expanded Memory Unit EM 301 6 Image Controller X3e 22C KM 4036fs1002e0 PC 101 PC 201 PC 401 Dk 501 1 6 7 5 11 10 9 8 4 2 3 ...

Страница 23: ...em with electrode cleaning function manual Image Transfer System Intermediate transfer belt system Paper Separating System Selecting either application of nonwoven fabric bias low pressure paper separator claws Fusing System Belt fusing Types of Original Sheets books and three dimensional objects Max Original Size A3 or 11 17 Multiple Copies 1 to 999 Warming up Time 99 sec or less at ambient tempe...

Страница 24: ...sparencies crosswise feeding only 20 sheets or less 20 sheets or less Thick paper 1 91 to 150 g m2 Thick paper 2 151 to 209 g m2 Thick paper 3 210 to 256 g m2 1 Postcards Envelopes 10 sheets or less Labels 20 sheets or less Copy paper dimensions Max width length 311 457 mm 297 432 mm 311 457 mm Min width length 90 140 mm 140 182 mm 90 140 mm Machine Durability 800 000 prints or 5 years whichever i...

Страница 25: ...ions 1 5 I Outline 2 7 Built in controllers NOTE These specifications are subject to change without notice Printer Driver PCL5c printer driver Scan Driver TWAIN driver OS Compatibility Windows 98 Me Windows NT 2000 XP Windows Server 2003 Interface Ethernet 10 100BaseTX ...

Страница 26: ...peration Ver 1 0 Feb 2004 1 6 I Outline 3 Center cross section 1 CCD Unit 6 Multiple Bypass 2 Fusing Unit 7 Tray2 3 Imaging Unit Bk 8 Imaging Unit M 4 Imaging Unit C 9 Imaging Unit Y 5 Tray1 10 Transfer Belt Unit 4036ma101c0 1 7 8 6 5 10 9 4 2 3 ...

Страница 27: ...QC 2235plus Theory of Operation Ver 1 0 Mar 2004 Paper path 1 7 I Outline 4 Paper path 4036ma102c0 ...

Страница 28: ... of the PC Drum 6 LED Exposure The surface of the PC Drum is irradiated with LED light and an electro static latent image is thereby formed 7 Developing The toner agitated and negatively charged in the Developer Mixing Cham ber is attracted onto the electrostatic latent image formed on the surface of the PC Drum It is thereby changed to a visible developed image AC and DC negative bias voltages ar...

Страница 29: ...r Belt by the Paper Separator Claws 11 Transfer Belt Cleaning A charge is applied to the Transfer Belt By potential difference residual toner on the surface of the Transfer Belt is collected for cleaning 12 PC Drum Cleaning The residual toner left on the surface of the PC Drum is scraped off 13 Main Erase The surface of the PC Drum is irradiated with light which neutralizes any surface potential r...

Страница 30: ......

Страница 31: ...nd Image Transfer Bias Fusing Drive Motor M2 Power Switch ON Temperature Control Fusing Pressure Roller Pressure Retraction Motor M19 1st Image Transfer Pressure Retraction Motor M11 2nd Image Transfer Pressure Retraction Motor M13 Bk Pressure Pressure Retraction Retraction Pressure Retraction Retraction 4036ma2052e0 1st Image Transfer Retraction Position Sensor PC12 2nd Image Transfer Pressure Re...

Страница 32: ...ard PWB MFP Control Board PWB MC LED Drive Board PWB LED Inverter Board Panel IC 401 Standard Controller DF 601 Image Processing CPU Paper Source Option AD 501 Finishing Option Fusing Paper Take up Transport Process Scanner Motor Drive Board PWB IC Scanner Motor M201 LPH Y LPH M LPH C LPH Bk 4036ma2053e0 Exposure Lamp FL201 Printer Section Scanner Section Control System Line Image Bus Line ...

Страница 33: ...us Theory of Operation Ver 1 0 Mar 2004 Scanner section IR section 2 3 II Composition Operationn 3 Scanner section IR section 3 1 Composition 4036ma2110c0 4036ma2501c0 4036ma2001c1 1 7 8 6 5 12 13 11 10 9 4 2 3 ...

Страница 34: ...hase stepping motor 6 Lens F5 0 focal length 71 2 mm 7 CCD Unit 1 Changes optical image data to a corresponding electric signal 600 dpi Three line RGB linear image sensor 8 Size Reset Switch SW201 Detects the position of the Original Cover or ADF whether it is raised or lowered Resets the size of the original when the ADF is raised Magnetic sensor type 9 Image Processing Board PWB C Processes imag...

Страница 35: ...tion under the shad ing correction sheet 3 The gain value of the CCD Sensor output voltage is adjusted for R G and B 4 A shading correction is made 5 After the adjustment has been made the Exposure Unit moves in the return direction and stops at the Scanner Home Sensor This position serves as the home position The same operation is performed for the auto and manual exposure control 1 Scanner Drive...

Страница 36: ...ata is stored in memory during a single scan motion The Exposure Unit therefore makes only a single scan motion even for a multi copy cycle 3 3 2 Original Size Detection control A Detection Method Reflective size sensors are used for detection of the size of the original Mounting the optional size sensors permits detection of originals of inch size 4036ma2191c0 Home Position Original Position Expo...

Страница 37: ...nsors whether or not there is an original loaded An original of an irregular size is rounded to the nearest standard size Metric Area Original Loaded Original Not Loaded When the optional sensors are mounted Original Loaded Original Not Loaded Original Size Determined FD1 FD2 CD1 1 2 3 6 7 A3 B4 A4R A4 B5 A5R 8 5 11R Original Size Determined FD1 FD2 FD3 option CD1 CD2 option 1 2 3 4 5 6 7 8 A3 B4 ...

Страница 38: ...essed with the ADF in the raised posi tion Original Size Determined FD2 CD1 2 3 6 7 11 17 B4 8 5 14 8 5 11R 8 5 11 B5 Original Size Determined FD1 option FD2 FD3 option CD1 CD2 option 1 2 3 4 5 6 7 8 11 17 8 5 14 FLS 8 5 11R 8 5 11 5 5 8 5R A3 B4 A4R A4 B5 4036ma2007c0 Validates the original size when the ADF is lowered Resets the original size when the ADF is raised Original Size Sensors FD1 PC20...

Страница 39: ...ingle unit 2 SELFOC Lens The rays of light emitted by the LED chips are brought to a focus on the surface of the PC Drum to form a full size image 3 LED Chips Approximately 7 700 LED chips 600 dpi arranged in the main scanning direction 4 LED Assy Y M C Bk LED Assy for each color of Y M C and Bk 5 PC Drum Y M C Bk Irradiated with LED light to form an electrostatic latent image 4036ma2218c0 4036ma2...

Страница 40: ...ips 600 dpi arranged in the main scanning direction and a SELFOC lens array or SLA that brings rays of light emitted by the LED chips to a focus on the surface of the PC Drum to form a full size image The special service jig for cleaning the surface of the LED print head should be used since a special coating is applied to the surface of the SLA to prevent ozone from sticking to it C M Y Bk LED Y ...

Страница 41: ...direction is then calculated and stored in memory A detection pattern each in the main scanning direction is next produced at the front and rear on the Transfer Belt Each of AIDC Registration Sensor 1 and 2 at the front and rear reads the corresponding pattern The amount of color shift in the main scanning direction is then calculated and stored in memory Based on the data repre senting the amount...

Страница 42: ...off the surface of the PC Drum 3 Toner Collecting Screw Conveys waste toner from the IU to the Toner Col lecting Section Screw type 4 PC Drum Charge Corona Y M C Bk Deposits a charge across the entire surface of the PC Drum DC comb electrode Scorotron system 5 Main Erase Lamp Y M C Bk LA1 to LA4 Neutralizes any charge left on the surface of the PC Drum LED type 6 Developing Unit Y M C Bk Developer...

Страница 43: ...ration Ver 1 0 Mar 2004 Imaging Unit section IU section 2 13 II Composition Operationn 5 2 Drive 1 Developing Clutch Bk CL2 3 Color Developing Motor M6 2 Bk PC Motor M7 4 Color PC Drum Motor M5 4036ma2008c1 2 1 4036ma2007c1 4 3 ...

Страница 44: ...given on the screen When a pre determined number of printed pages are produced after the life value has been reached the machine inhibits the initiation of a new print cycle with a message prompting the user to replace the IU given on the screen The warning screen and IU replacement screen change when the settings are changed for Display PM Parts Lifetime and Unit Change available from the Tech Re...

Страница 45: ...position 6 2 Drive Key Name Function System 1 PC Drum Y M C Bk Forms an image of each of different colors OPC drum φ30 mm 4036ma2338c0 Charge Transport Layer CTL Charge Generating Layer CGL Aluminum Cylinder 4036ma2543c0 1 1 Color PC Drum Motor M5 4 PC Drum C 2 Bk PC Motor M7 5 PC Drum M 3 PC Drum Bk 6 PC Drum Y 4036ma2551c0 1 4 2 3 6 5 ...

Страница 46: ...are used to enhance rotating accuracy of the PC Drums The use of gears having a large diameter provides a large number of gear teeth which suppresses uneven pitch and eccentricity Drive is transmitted to each of the PC Drums when the triangular coupling is engaged with the mating part that also has a triangular shape 6 3 2 PC Drum Phase control To enhance image quality sensors are used to detect o...

Страница 47: ...bands to occur in the image To prevent these image problems it should be ensured that the same face of the PC Drum is left exposed to the same condition for an extended period of time The PC Drum is therefore turned at regular intervals to keep the surface sensitivity uniform A PC Drum small amount rotation timing The PC Drum is turned the small amount when a predetermined threshold value of the c...

Страница 48: ...re Cleaning Lever For cleaning the corona wire Slide out to clean the corona wire 3 Grid Mesh Applies the grid voltage 4 Cleaning Blade Scrapes residual toner off the surface of the PC Drum 5 Main Erase Lamp Illuminates the surface of the PC Drum to neutralize any surface potential remaining on the surface of the PC Drum LED type 4036ma2130c0 1 4036ma2506c0 3 4036ma2138c0 5 4 1 4036ma2009c1 2 3 ...

Страница 49: ... Toner which has been scraped off the surface of the PC Drum is fed by the Toner Col lecting Screw back toward to the Conveying Screw in the rear of the machine It is then collected in the Waste Toner Collecting Box 3 The surface of the PC Drum after the image transfer process is irradiated with light from the Main Erase Lamp This neutralizes any potential left on the surface of the PC Drum 4036ma...

Страница 50: ...e PC Drum of the IU Bk Energized by the Control Board PWB MC Brushless DC motor 5 PC Drum Bk Forms an image OPC drum φ30 mm 6 Developing Clutch Bk CL2 Transmits drive to the Developing Roller Supply Agitating Convey ing Screws and Toner Collecting Screw of the IU Bk 7 Color PC Drum Motor M5 Drives the PC Drums of the IU Y IU M and IU C Energized by the Control Board PWB MC Brushless DC motor 8 PC ...

Страница 51: ...omposition Operationn 8 2 Drive 1 PC Drum Bk 6 Bk PC Motor M7 2 Developing Roller 7 PC Drum Y 3 Toner Collecting Screw 8 Color Developing Motor M6 4 Supply Agitating Conveying Screws 9 Color PC Drum Motor M5 5 Developing Clutch Bk CL2 4036ma2604c0 5 6 4 2 1 3 4036ma2603c0 9 8 7 ...

Страница 52: ...ontrols the height of the developer brush to ensure that the developer on the Developing Roller levels out 5 The Toner sticks to the electrostatic latent image on the surface of the PC Drum The developer that is left on the Sleeve is returned to the upper screw by the magnetic pole positioning of the Developing Roller It is then conveyed to the front side of the Develop ing Unit 4036ma2152c0 Main ...

Страница 53: ...T High grade Micro Toning development The machine employs the two component non contact development system With the HMT method the magnetic developer brush does not rub against the surface of the PC Drum the images Accordingly sharper line images can be reproduced involv ing no uneven image density at the trailing edge or thin lines and achieving even finer reproduction of the solid image areas 8 ...

Страница 54: ...r the Conveying Screw portion to clean the surface of the window The sensor portion is separated from the Developing Section Imaging Unit When the ATDC Sensor is replaced it is necessary to replace the Imaging Unit with a new one This represents the fact that the ATDC Sensor is adjusted only when a new Imaging Unit is installed In addition if the LPH Unit is to be replaced it is necessary to remov...

Страница 55: ...Sensor is used for C M and Y a bias is applied to the ATDC win dow to prevent toner from sticking to it No bias is applied to the ATDC Sensor for Bk which is the magnetic type The bias is applied from the bias terminal of the LED Unit by way of the mounting screw of the ATDC window to the ATDC window 4036ma2509c0 ATDC Bias Screw ATDC Window ...

Страница 56: ...the supply of Y toner 2 Cartridge M Replenishes the supply of M toner 3 Cartridge C Replenishes the supply of C toner 4 Cartridge Bk Replenishes the supply of Bk toner 5 Toner Set Sensor Bk Detects Cartridge Bk as it is loaded in position 6 Toner Set Sensor C Detects Cartridge C as it is loaded in position 4036ma2511c0 7 8 9 10 6 5 1 4 2 3 4036ma2510c0 4036ma2143c0 4036ma2512c1 11 12 13 14 ...

Страница 57: ... Rollers of Cartridges C and Bk Energized by the Control Board PWB MC Two phase stepping motor 11 Agitating Blade Y M C Bk Agitates each of different colors of toner 12 Toner Near Empty Sensor PQ Y M C Bk PC15 PC16 PC17 PC18 Detects a near empty condition of toner in Toner Cartridge Y M C Bk 13 Toner Near Empty Sensor LED Y M C Bk PC21 PC22 PC23 PC24 Detects a near empty condition of toner in Tone...

Страница 58: ...ng Unit Rotation of the drive gear also turns the Agitating Blade of the Toner Cartridge to agitate toner in the Toner Cartridge B Toner replenishing control T C is detected when the Developing Clutch Bk CL2 is energized for Bk or when the Color Developing Motor M6 is energized for C M and Y during a copy cycle The actual reading of T C taken is compared with the T C setting made in ATDC Level of ...

Страница 59: ...onding warning display 2 A toner empty condition is detected if the T C reading taken by the ATDC Sensor is lower by 0 5 than the target value for a given continuous period of time after the toner near empty condition has been detected The machine is then brought to a stop 3 The toner empty condition is reset if the Toner Near Empty Sensor remains deactivated for a given period of time or more aft...

Страница 60: ...er mechanism To prevent toner from being spilled when the Toner Cartridge is removed from the machine there is a shutter mechanism provided When the Toner Cartridge is installed in the machine the shutter opens 4036ma2516c0 4036ma2517c0 Before Toner Cartridge is Installed When Toner Cartridge is Installed Shutter ...

Страница 61: ...r 1 0 Mar 2004 Transfer Corona section 2 31 II Composition Operationn 10 Transfer Corona section 10 1 Composition 10 1 1 1st Image Transfer section 4036ma2152c0 4036ma2518c0 1 4036ma2606c0 5 4 3 2 12 11 10 9 8 7 6 4036ma2157c0 13 14 15 ...

Страница 62: ...leaning Sec tion to the Toner Collecting Section Screw type 8 Cleaning Brush Whisks the surface of the Transfer Belt clean of toner 9 Tension Roller Prevents the Transfer Belt from slacking 10 1st Image Transfer Roller Y Transfers the toner image from the PC Drum Y onto the Transfer Belt 1st image transfer Image Transfer Roller system Constant voltage control 11 1st Image Transfer Roller M Transfe...

Страница 63: ... 3 2nd Image Transfer Pressure Retrac tion Motor M13 Provides drive for pressure and retraction operation of the 2nd Image Transfer Roller DC brush motor 4 AIDC Registration Sensor 1 PC8 Detects color shift incorrect color registration in the image on the front side in the main scanning direction 5 Shutter Prevents AIDC Registration Sensors 1 and 2 PC8 and 9 from being contaminated 6 AIDC Registra...

Страница 64: ...fer section 1 Transfer Belt 6 1st Image Transfer Roller M 2 Main Motor M1 7 1st Image Transfer Retraction Position Sensor PC12 3 Sliding Plate 8 1st Image Transfer Pressure Retraction Motor M11 4 Cam 9 1st Image Transfer Roller C 5 1st Image Transfer Roller Y 10 1st Image Transfer Roller Bk 4036ma2020c1 1 2 4036ma2158c0 6 5 4 3 7 8 9 10 ...

Страница 65: ...d according to the print mode and paper type as detailed below 1 2nd Image Transfer Roller 5 Pressure Lever 2 2nd Image Transfer Pressure Retraction Sensor PC29 6 AIDC Registration Sensor 1 PC8 3 2nd Image Transfer Pressure Retraction Motor M13 7 Shutter 4 Cam 8 AIDC Registration Sensor 2 PC9 4036ma2156c0 4 3 2 1 8 7 5 6 4 Paper Type Print Mode Main Motor Speed mm s Plain paper Monochrome 165 Colo...

Страница 66: ...through a gear train to the drive gear 2 Rotation of the drive gear turns the pressure cam which allows the Sliding Plate to move 3 As the Sliding Plate moves the spring is released This lowers the 1st Image Transfer Roller and the roller presses against the Transfer Belt Retraction operation 1 When the drive gear turns backward the pressure cam also turns backward pushing to move the Sliding Plat...

Страница 67: ...ng varied The pressure position of the Image Transfer Roller is also changed by changing the stop position of the Sliding Plate Color mode The pressure position of the Image Transfer Roller is where the PC Drum is in contact with the Transfer Belt for all four colors of toner Monochrome mode The pressure position of the Image Transfer Roller Y M C is where the PC Drum Y M C leaves the Transfer Bel...

Страница 68: ...oved up and down D Backup mechanism Since the Retraction Roller changes the belt path so that the Transfer Belt does not touch the PC Drum Y M C in the monochrome mode the nip width between the Transfer Belt and PC Drum Bk at the 1st Image Transfer Roller Bk will become smaller thus resulting in possible void images To prevent this from occurring there is Lifting Mylar installed before the 1st Ima...

Страница 69: ...tted through a gear train to the drive gear 2 The rotation of the drive gear turns the pressure cam a half turn which pushes down the Pressure Lever This causes the 2nd Image Transfer Roller to be pressed up against the Transfer Belt 3 At this time the 2nd Image Transfer Pressure Retraction Sensor detects whether the 2nd Image Transfer Roller is located at the pressure position 4 When the motor is...

Страница 70: ...Pin pushes the Shutter Holder This moves the Shutter at the AIDC Sensor to the front side When the 2nd Image Transfer Roller is pressed against the Transfer Belt on the other hand the Shutter of the AIDC Sensor is moved by a spring force to the rear side and closed 4036ma2170c0 Start Key ON Paper moves past 2nd Image Transfer Roller Main Motor M1 2nd Image Transfer Pressure Retraction Motor M13 2n...

Страница 71: ...sfer voltage for each color of toner C 2nd image transfer ATVC operation 1 The 2nd image transfer constant current output from the DC power Supply 1 is fed back to the DC power Supply 1 via the 2nd Image Transfer Roller Transfer Belt and Transfer Belt Drive Roller This allows the resistance of the Transfer Belt to be measured 2 The measured resistance together with the type of paper temperature an...

Страница 72: ... Brush A bias DC is applied to the Toner Collecting Roller to let current flow through the Cleaning Brush Transfer Belt and Charging Brush Through potential difference involved toner left on the surface of the Transfer Belt is conveyed to the Toner Collecting Roller A Operation timing Since there is a possibility of the machine being stopped with toner left on the Transfer Belt the machine operate...

Страница 73: ...is turned ON or the Right Door Left Door or Front Door is opened and closed The sequence is also carried out at the end of a print cycle that is run after the cumula tive number of printed pages produced has exceeded 100 or during a print cycle that is run after the cumulative number of printed pages produced has exceeded 120 since the previous cleaning operation At this time the cumulative number...

Страница 74: ... 4036ma2176c0 4036ma2546c0 Charge Neutralizing Cloth Paper Separator Claws Transfer Belt 2nd Image Transfer Roller Paper Type Ambience Control Detailed Description 1 sided print ing on the plain paper Low humidity Bias applied A negative charge which is the reverse polarity to the positive output from the 2nd Transfer Roller is applied to prevent the paper from being wound around the Transfer Belt...

Страница 75: ...w unit detection is made when the Power Switch is turned OFF and ON or the Right Door is opened and closed New unit detection timing operation New Unit is release Life counter clear Checks whether the Transfer Belt Unit is mounted or not The Power Switch is turned OFF and ON Front Door opened and closed or Left Door opened and closed New unit detection check Lets the Transfer Belt perform ini tial...

Страница 76: ... for switching to the monochrome mode The ACS control does not function until the number of the continuous monochrome orig inals has been counted Accordingly ACS control is provided only within the range of the number of the originals scanned for the first set of copies This will result in ACS control not necessarily functioning at the optimum performance This function works most effectively in th...

Страница 77: ... Key Name Function System 1 IU Toner Collecting Screw Conveys waste toner from the IU to the Toner Col lecting Section Screw type 2 Transfer Belt Toner Collecting Screw Conveys waste toner from the Transfer Belt Cleaning Section to the Toner Collecting Section Screw type 3 Waste Toner Bottle Container for waste toner 4036ma2026c1 1 2 3 4036ma2180c0 ...

Страница 78: ... Operation Ver 1 0 Feb 2004 2 48 II Composition Operationn 11 2 Drive 1 Bk PC Motor M7 4 Transfer Belt Toner Collecting Screw 2 IU Toner Collecting Screw 5 Toner Collecting Roller 3 Cleaning Brush 6 Cleaning Brush Motor M22 4036ma2027c1 3 4 5 2 1 6 ...

Страница 79: ... 11 3 2 Waste Toner Bottle in position detection The Waste Toner Bottle Set Sensor is provided to detect a Waste Toner Bottle loaded in position Timing for this detection is when the Power Switch is turned OFF and ON or the Left Door is opened and closed If the Waste Toner Bottle is found to be out of position the machine inhibits the initiation of a new print cycle 4036ma2554c0 4036ma2547c0 IU To...

Страница 80: ...de of the machine starts counting When the counter reaches about 8k the machine determines that the Waste Toner Bottle is full and stops operation Counting method of the counter exclusive for the waste toner is corrected to count the value appropriately according to the color or monochrome mode or paper length After the Waste Toner Bottle has been replaced and the Waste Toner Full Sensor has been ...

Страница 81: ...e from the Main Motor to Paper Take up Roller 1 5 Tray1 Paper Empty Sensor PC2 Detects paper in Tray1 6 Paper Type Setting Dial Used to set the type of paper in Tray1 7 Paper Type Board PWB S Detects the type of paper loaded in Tray1 8 Tray1 CD Paper Size Sensor PC3 Detects the paper size in the width direction in Tray1 9 Paper Guide Aligns the paper stack in Tray1 10 Paper Lifting Plate Plate on ...

Страница 82: ... I1 Detects the paper size in the length direction in Tray1 12 Tray1 Paper Near Empty Sensor PC13 Detects the paper level in Tray1 13 Tray1 Set Sensor PC14 Detects Tray1 slid in the correct position Key Name Function System 4036ma2538c0 8 7 9 4036ma2039c1 4 1 6 5 2 3 4036ma2035c1 8 2 4 7 9 10 11 12 13 14 15 16 17 18 19 20 4036ma2521c0 5 1 6 ...

Страница 83: ...Drives the paper take up mechanism Energized by the Tray2 Board PWB Z Two phase stepping motor 11 Tray2 Vertical Transport Motor M103 Drives the paper transport mechanism of Tray2 Energized by the Tray2 Board PWB Z Two phase stepping motor 12 Paper Lifting Plate Plate on which the paper stack is loaded in Tray2 Maximum paper capacity Plain paper 500 sheets 13 Paper Guide Aligns the paper stack in ...

Страница 84: ... 2 Tray2 1 Tray1 Paper Take up Roller 3 Main Motor M1 2 Tray1 Paper Feed Clutch CL1 4036ma2036c1 1 2 3 1 Vertical Transport Roller 2 5 Tray2 Vertical Transport Motor M103 2 Tray2 Paper Take up Roller 6 Tray2 Lift up Motor M101 3 Tray2 Pick up Roller 7 Tray2 Paper Feed Motor M102 4 Paper Lifting Plate 4036ma2037c1 1 5 6 7 4 2 3 ...

Страница 85: ...d from Tray2 or Bypass with a sys tem speed of 165 mm sec or 100 mm sec The Tray2 Vertical Transport Motor is con trolled so that the period of time that begins when the paper take up sequence is started and ends when the paper reaches the Synchronizing Roller becomes a predetermined value The control thereby prevents a paper misfeed from occurring and ensures produc tivity The deceleration contro...

Страница 86: ...he Paper Near empty Sensor is blocked a corresponding warning display is given on the control panel The paper supply level when a paper near empty condition is detected is about 50 30 sheets The Paper Empty Sensor detects a paper empty condition Tray1 Tray2 4036ma2525c0 4036ma2526c0 Paper Supply Level Indicator in Cassette Front Cover Lever 4036ma2116c0 4036ma2038c1 A Near empty Condition An Empty...

Страница 87: ...type Not vary Select thick paper 2 to use postcards Select thick paper 1 to use labels Paper Type System Speed mm s Heating Roller Set Temperature C 1st Image Transfer 2ndImage Transfer Vg Vb γ Table Plain paper 2nd side plain paper Monochrome mode 165 190 Color ACS mode 100 180 Thick paper 1 2nd side thick paper 1 60 185 Thick paper 2 2nd side thick paper 2 Thick paper 3 2nd side thick paper 3 En...

Страница 88: ...ize is determined based on the combination of these two sizes detected A Tray1 Metric Area Tray1 Paper Size Board PWB I1 Tray1 CD Paper Size Sensor PC3 Paper Size SW1 SW2 SW3 SW4 ON OFF ON OFF H A6R ON OFF ON OFF L A5 OFF ON OFF ON H B6R OFF ON OFF ON L B5 OFF OFF ON OFF H A5R OFF OFF ON OFF L A4 ON OFF ON ON OFF OFF H B5R OFF OFF OFF OFF ON L A4R ON ON ON ON L A3 OFF ON ON ON L A3 Wide ON OFF OFF...

Страница 89: ...B I1 Tray1 CD Paper Size Sensor PC3 Paper Size SW1 SW2 SW3 SW4 OFF OFF ON OFF H 5 5 8 5R OFF OFF ON OFF L 8 5 11 OFF OFF ON ON L 8 5 11R OFF ON OFF ON L Executive OFF ON ON OFF H Executive R ON OFF ON OFF L 5 5 8 5 ON ON ON OFF H 8 5 14 ON ON ON ON L 11 17 OFF ON ON ON L A3 Wide 4036ma2042c1 Guide Tray1 Paper Size Board PWB I1 4 3 2 1 ...

Страница 90: ...OFF OFF ON ON H L B5 ON OFF ON ON ON L L A5R 1 ON OFF ON ON ON H L A4 ON ON OFF ON L L B5R ON ON OFF OFF OFF L H A4R OFF OFF OFF ON H L B4 OFF ON OFF OFF OFF H L A3 ON ON ON ON L L 5 5 8 5 2 ON ON ON ON H H Letter OFF ON ON OFF L H Letter R OFF OFF OFF ON L H Legal OFF OFF OFF ON H H 11 14 OFF ON OFF OFF H H 11 17 OFF OFF OFF OFF L H FLS 8 13 3 OFF OFF OFF OFF L H Folio 3 8 1 4 13 OFF OFF OFF OFF ...

Страница 91: ...rs to unblock the Tray2 Lift up Sensor The Tray2 Lift up Motor is then energized again to lift the paper stack When the Tray2 Lift up Sensor is then blocked the Tray2 Lift up Motor is deenergized The sequence of these operations is repeated to keep constant the pressure between the Paper Take up Roller and paper stack paper take up pressure regardless of the amount of paper still available for use...

Страница 92: ...th direction 4 Bypass FD Paper Size Sensor 1 PC111 Detects the Bypass paper size in the length direction 5 Bypass Paper Take up Roller Takes up a sheet of paper 6 Bypass Paper Empty Sensor PC110 Detects paper in the Bypass Section 7 Paper Lifting Plate Plate on which the paper stack is loaded in the Bypass Section Maximum paper capacity Plain paper 150 sheets Thick paper postcards and labels 50 sh...

Страница 93: ...ection 2 63 II Composition Operationn 13 2 Drive 1 Bypass Lift up Sensor PC115 4 Bypass Paper Take up Roller 2 Bypass Paper Feed Clutch CL101 5 Tray2 Vertical Transport Motor M103 3 Bypass Paper Pick up Solenoid SL101 1 2 3 4036ma2529c0 4036ma2047c1 1 4 5 2 3 ...

Страница 94: ... sequence the Bypass Paper Pick up Solenoid is energized to raise the Paper Lifting Plate so that the sheet of paper can be taken up When the print cycle is completed the Bypass Paper Pick up Solenoid is energized again to return the Paper Lifting Plate to the standby position 4036ma2123c0 Start Key ON Move to Standby Position Tray2 Vertical Transport Motor M103 Bypass Paper Pick up Solenoid SL101...

Страница 95: ...4036ma2126c0 Bypass Paper Take up Roller Bypass Lift up Sensor PC115 Bypass Paper Pick up Solenoid SL101 Bypass Lift up Sensor PC115 Paper Lifting Plate 4036ma2235c0 Start Key ON Paper Fed out Tray2 Vertical Transport Motor M103 Bypass Paper Pick up Solenoid SL101 Bypass Paper Feed Clutch CL101 Bypass Lift up Sensor PC115 ...

Страница 96: ... 1 PC111 Bypass FD Paper Size Sensor 2 PC112 Bypass FD Paper Size Sensor 3 PC113 Bypass FD Paper Size Sensor 4 PC114 Bypass Paper Size Unit VR1 Paper Size Detected Width mm OFF OFF OFF OFF 80 to less than 115 A6R 115 to 144 inclusive B6R 196 to 225 inclusive A5 242 to 268 inclusive B5 ON OFF OFF OFF 133 to 164 inclusive A5R 169 to less than 196 B5R 196 to 225 inclusive A4R 225 to less than 288 Let...

Страница 97: ...sive Executive ON OFF OFF OFF 125 to 155 inclusive 5 5 8 5R 169 to less than 201 Executive R 201 to 231 inclusive Letter R 225 to less than 288 Letter 288 to 330 inclusive A4 ON ON OFF OFF 188 to 235 inclusive FLS ON ON ON OFF 201 to 231 inclusive Legal 242 to less than 268 B4 268 to 288 inclusive 11 14 ON ON ON ON 255 to less than 288 11 17 288 to less than 301 A3 301 to 330 inclusive A3 Wide 403...

Страница 98: ... section 14 1 Composition Key Name Function System 1 Transport Roller Transports paper taken up from Tray1 or Tray2 to the Synchronizing Roller 2 Intermediate Transport Motor M14 Drives the Transport Roller Two phase stepping motor Energized by the Control Board PWB MC 4036ma2127c0 1 4036ma2534c0 4036ma2535c0 1 2 ...

Страница 99: ... attracted onto the surface of the roller through static attraction and the Paper Dust Remover removes the paper dust from the roller 2 OHP Sensor PC27 Detects OHP transparencies 3 Synchronizing Roller Transports the paper fed by the Transport Roller onto the Transfer Corona Section 4 Synchronizing Roller Clutch CL3 Transmits drive from the Main Motor M1 to the Syn chronizing Roller 4036ma2128c0 1...

Страница 100: ...r is restarted is varied by changing this setting This adjustment should be made when a tilted image is printed due to paper skew or a Z folded paper misfeed occurs at the Synchronizing Roller Top Margin available from the Tech Rep mode should be adjusted based on the image writing start timing This adjustment should be made if the image on the copy deviates in the FD direction 4036ma2121c0 Start ...

Страница 101: ...paper type setting made using the Paper Type Setting Dial does not match the results of OHP detection the machine stops copying and gives a paper misfeed warning display Position on Paper Type Setting Dial or paper type set from control panel Results of OHP Sensor PC27 Detection Operation OHP Other than OHP Determines that there is mismatch of paper type bringing all mechanisms to an immedi ate st...

Страница 102: ...by working with the Fusing Roller 4 Fusing Pressure Roller Heater Lamp H3 Heats the Pressure Roller Heater Lamp 700 W 5 Fusing Pressure Roller Ther mostat TS2 Detects an abnormally high temperature of the Pressure Roller Positioned in a non contact fashion to prevent the Pressure Roller from being damaged 6 Fusing Roller Gives heat with the Pressure Roller and fixes toner by working with the Press...

Страница 103: ...r Lamp 2 H2 Heats the Heating Roller For small sized paper having a CD width of less than 216 mm Heater Lamp 790 W 12 Heating Roller Heated to a predetermined temperature by the Heater Lamps provided inside Gives heat to the Fusing Belt 13 Heating Roller Thermostat TS1 Detects an abnormally high temperature of the Heating Roller Positioned in a non contact fashion to prevent the Fusing Belt from b...

Страница 104: ...en the fusing speed and paper transport speed during image transfer is corrected The fusing speed is made either faster or slower than the system speed The two step speed control is accomplished using the Fusing Paper Loop Control sole noid and planetary gears When the Fusing Paper Loop Control solenoid is deener gized the planetary gears rotate which sets lower speed When the solenoid is energize...

Страница 105: ...e fusing speed is switched to the lower level 3 When the length of the loop becomes large to activate the Fusing Paper Loop Sensor the fusing speed is again switched to the higher level 4 The sequence of these operations is repeated so that the fusing speed is automatically changed in two steps according to the loop length This effectively makes for the differ ence between the fusing speed and pap...

Страница 106: ...d position of the Pressure Roller is determined by counting a prede termined number of encoder pulses from the pressed position using the Fusing Retrac tion Position Sensor In reality the retracted position is where the Pressure Roller is lightly pressed against the Fusing Belt Pressure Retraction Timing 1 Retracted lightly pressed condition for envelopes 4036ma2107c0 4036ma2106c0 Pressure Roller ...

Страница 107: ...our different types of warm up control are employed for varying the set temperature of each roller thereby preventing fusing performance from being degraded due to environ mental changes Priority is given to the high humidity control 1 In standby first in the morning Heating Roller set temperature 195 C 4 In standby Heating Roller temperature 190 C 2 In standby first in the morning Heating Roller ...

Страница 108: ...ressure Roller tem perature reaches 130 C Ordinary warm up completed Fusing Pressure Roller tem perature exceeds 60 C 190 130 High humidity warm up com pleted machine interior humid ity is 70 or more 190 150 Priority is given to this mode if the humidity is 70 or more Recovery from Power Save 190 150 Temperature control during Power Save is 160 C for the Heating Roller and 150 C for the Fusing Pre...

Страница 109: ...control the heater relay of the DC Power Supply is turned OFF through the Control Board and the power supply to each of the heater lamps is shut down If the detected temperature thereafter decreases the heater relay is turned ON again and supply of power to the heater lamps is resumed The sequence of these operations is repeated until the CPU recov ers from the overrun and becomes able to detect t...

Страница 110: ...Fusing section QC 2235plus Theory of Operation Ver 1 0 Feb 2004 2 80 II Composition Operationn TH1 TH2 4036ma2109c0 TS1 H3 H2 H1 SSR SSR SSR TS2 HETER2 HETER3 HETER1 AC 5V 5V 5V 24V TH3 Hard Protection ...

Страница 111: ...th and system speed thereby achieving the intended level of fusing per formance of the printed images toner A Plain paper When the surface temperature of the Fusing Pressure Roller is a predetermined temper ature or less for 10 sec during a print cycle with the machine interior temperature at 18 C or less PPM printed pages min is decreased B Color OHP Different types of PPM control are provided ac...

Страница 112: ...tion System 1 Paper Exit Roller 1 Feeds paper out of the machine onto the Paper Exit Tray 2 Exit Sensor PC30 Detects a sheet of paper fed out of the machine 3 Paper Exit Roller 2 Feeds paper out of the machine onto the Paper Exit Tray 4 Charge Neutralizing Brush Neutralizes any charge left on the paper 4036ma2245c0 1 2 3 4 4036ma2246c0 4036ma2550c0 3 ...

Страница 113: ...QC 2235plus Theory of Operation Ver 1 0 Mar 2004 Paper exit section 2 83 II Composition Operationn 17 2 Drive 1 Main Motor M1 3 Paper Exit Roller 2 2 Paper Exit Roller 1 4036ma2016c1 1 2 3 ...

Страница 114: ...n control AIDC Sensor Temperature Humidity Sensor To stabilize toner density ATDC control Y M C Bk ATDC Sensor To stabilize image transfer Image transfer output control Temperature Humidity Sensor Developing Bias Vb AIDC Sensor Temperature Humidity Sensor ATDC Sensor Registration Control Transfer ATVC Control Grid Voltage Vg Toner Repleni shing Control PC Drum Y PC Drum M PC Drum C PC Drum Bk Imag...

Страница 115: ...ted based on the correction data with four different levels for each color The developing bias and grid voltage values that result in the maximum density are cal culated from the detected data and stored in memory 18 2 4 γ correction control The intensity of LED in all gradation levels is adjusted to correct changes in gradation characteristics to a linear one The changes in gradation characterist...

Страница 116: ...2 γ correction control Max density control 1 Registration control γ correction control AIDC intensity control AIDC intensity control AIDC intensity control Mode 1 γ correction control Max density control 2 γ correction control AIDC intensity control Background margin control Background margin control Background margin control Background margin control Test pattern output 4036ma2061e0 Mode 2 Mode 3...

Страница 117: ...ons in sensitivity of each CCD chip and the light distribution varying along the length of the Exposure Lamp The shad ing correction is made by holding the peak value i e the maximum value of readings taken of multiple lines to prevent adverse effects on the image due to dust on the shad ing sheet 4 Memory called FIFO is employed to compensate for a deviation in the scanning posi tion of the origi...

Страница 118: ... processing 7 R G and B data are then converted to value and color component data for adjust ments of saturation lightness and hue 8 The scanning area is divided into two in the FD direction The lightness histogram gen erated through ACS processing is tallied for each four gradation levels A lightness his togram is then created for AE processing The AE level of the original is determined based on ...

Страница 119: ...e expansion smoothing color balance and γ correction 4 GBTC compression 5 Input buffer memory 7 Memory access coordinator 8 Frame memory Standard 192MB 9 Output buffer memory 6 File code memory Standard 256 MB Extended memory 256 MB option HDD 40 G option 14 Area discrimination FEET 15 Interpolation 16 γ correction 17 Screening 18 High speed LED drive 19 Intensity correction To each LED Unit MFP C...

Страница 120: ...rect alignment in the main scanning direction between each of the Y M C and Bk LPH assemblies and the PC Drums 11 Corrects any deviation in the print start position in the main scanning direction that occurs when each of the Y M C and Bk LPH assemblies illuminates the surface of the corresponding PC Drum 12 Expands the image data using the method opposite to that used in GBTC compression 13 Correc...

Страница 121: ...tabilized paper transport 4 Power Supply Cooling Fan Motor M21 Cools the DC Power Supply PU1 5 Ozone Ventilation Fan Motor M18 There is a filter that removes ozone from the air drawn by this motor to the outside 6 Toner Suction Fan Motor M20 Draws toner particles 7 Cooling Fan Motor 2 M10 Cools the drive mechanism High Voltage Unit and DC Power Supply PU1 8 Fusing Cooling Fan Motor 1 M9 Exhausts h...

Страница 122: ...peed when any of the Color PC Drum Motor M5 Bk PC Motor M7 Color Developing Motor M6 or Developing Clutch Bk CL2 is energized Deenergized in conditions other than above Fusing Cooling Fan Motor 2 and 3 M15 and M16 OHP OHP Interleave Plain paper 2nd side Auto Duplexing Turns at full speed when the Main Motor M1 is energized Turns at full speed for the period of 10 sec after the Main Motor M1 has be...

Страница 123: ...ntrol signal to the DC Power Supply The DC Power Supply then supplies 3 3V DC 5V DC 15V DC and 24V DC to all PWBs and options It also turns ON the relays in the PWBs supplying AC power to each of the heater lamps 4036ma2194c0 SW1 24VDC 5VDC 3 3VDC 24VDC 15VDC 5VDC 5VDC 24VDC PU1 RY PWB MC H1 H2 H3 PC 201 PC 101 OPTION PWB A Control Panel DF 601 PWB IC 24VDC 5VDC 5VDC 24VDC PWB C AD 501 OPTION FS 6...

Страница 124: ...xit signal is applied to it Mechanical Counter option Counter for exclusively counting monochrome copies Since the Total Counter is available as standard the number of color copies can be calculated by subtracting the Monochrome Counter count from the Total Counter count Counts one when an exit signal is applied to it Key Counter option The counter that disables copying when counting the predeterm...

Страница 125: ...DEVELOP SERVICE MANUAL THEORY OF OPERATION DF 601 ...

Страница 126: ......

Страница 127: ...3 Paper feed not guaranteed originals 1 3 II Composition Operation 1 Overall composition 2 1 2 Drive system 2 2 3 Paper path 2 3 4 Mechanical operations 2 4 4 1 Document pick up mechanism 2 4 4 2 Document take up transport mechanism 2 5 4 3 Document exit mechanism 2 7 4 3 1 Single sided document mode 2 7 4 3 2 Double sided document mode 2 7 4 3 3 Exit operation flow 2 8 4 4 Turnover mechanism two ...

Страница 128: ...QC 2235plus Theory of Operation Ver1 0 Mar 2004 ii I Outline II Composition Operation ...

Страница 129: ...es Standard Mode 1 Sided Mode 2 Sided Mode Thick Paper Mode 1 Sided Mode Mixed Original Detection Mode 1 Sided Mode 2 Sided Mode Type of Document Standard Mode Plain Paper 1 Sided Mode 35 to 128 g m2 9 1 4 to 34 lb 2 Sided Mode 50 to 110 g m2 13 1 4 to 29 1 4 lb Thick Paper Mode Plain Paper 1 Sided Mode 129 to 210 g m2 34 1 4 to 55 3 4 lb Mixed Original Detection Mode Plain Paper 1 Sided 2 Sided M...

Страница 130: ...t 14 2 kg 31 1 4 lb Max Original Size 297 mm 257 mm 210 mm 182 mm 148 mm Mixed Original Size A3 A4 B4 B5 A4R A5 B5R A5R 297 mm A3 OK OK A4 OK OK 257 mm B4 OK OK OK OK B5 OK OK OK OK 210 mm A4R OK OK OK OK OK OK A5 NG NG OK OK OK OK 182 mm B5R NG NG OK OK OK OK OK 148 mm A5R NG NG NG NG NG NG OK OK Max Original Size 11 8 1 2 5 1 2 Mixed Original Size 11 17 8 1 2 11 8 1 2 14 8 1 2 11R 5 1 2 8 1 2 5 ...

Страница 131: ...aper Take up failure Offset Master Paper Take up failure Sheets clipped or notched Damaged sheet Sheets patched Patched part folded or torn sheet Type of Original Possible Trouble Sheets lightly curled Curled amount 10 15 mm Dog eared exit failure Heat Sensitive Paper Edge folded exit failure transport failure Ink Jet Paper Take up failure transport failure Sheets with smooth surface Coated Paper ...

Страница 132: ......

Страница 133: ...ar 2004 Overall composition 2 1 II Composition Operation II Composition Operation 1 Overall composition 1 Hookup Cord 5 Turnover Cover 2 Take Up Cover 6 Document Guide 3 Document Feed Tray 7 Transport Belt 4 Exit Cover 8 Magnet 1 2 3 4 5 6 7 8 ...

Страница 134: ... system QC 2235plus Theory of Operation Ver 1 0 Mar 2004 2 2 II Composition Operation 2 Drive system Document Transport Drive Mechanism Turnover Exit Drive Mechanism Document Take Up Feeding Drive Mechanism ...

Страница 135: ...QC 2235plus Theory of Operation Ver 1 0 Mar 2004 Paper path 2 3 II Composition Operation 3 Paper path Single sided Document Mode Double sided Document Mode ...

Страница 136: ...y at their upper position during the standby state and are lowered when taking up an original The Document Stoppers stay at their lower position during the standby state and retract to their upper position when taking up an original The originals are separated and only one sheet is taken up by the Take Up and Separation Rollers A torque limiter is installed to the Separation Roller to provide the ...

Страница 137: ... is taken up and transported to the Registration Roller Then the original is transported onto the Original Glass by the Registration Roller driven by the Take Up Motor and the Transport Belt driven by the Transport Motor Take Up Motor M1 DF Transport Motor M2 DF Pick Up Rollers Registration Clutch CL1 DF Transport Belt Registration Roller Pick Up Sensor PC2 DF Registration Sensor PC1 DF Document S...

Страница 138: ...ew feeding after Registration Sensor is activated Take Up Motor OFF Registration Clutch OFF release of Registration Roller Take Up Motor Backward Rotation The original is transported Pick Up Sensor ON Start of the original size detection in the feeding direction Take Up Motor OFF Transport Motor Forward Rotation Take Up Motor Backward Rotation The original is transported onto the Original Glass Th...

Страница 139: ...chback section and then ejected onto the Exit Tray with its face down in order to keep the original pages in proper order 4 3 2 Double sided document mode In the Double Sided Mode an original which has had its 2nd side scanned is ejected onto the Exit Tray without the turn over motion Face down Ejection Exit Motor M3 DF Turnover Gate Turnover Solenoid SL1 DF Exit Solenoid SL2 DF Exit Motor M3 DF E...

Страница 140: ...r Sensor OFF Exit Motor Backward Rotation The original is transported to the Exit Roller The rotation speed of the Exit Motor is reduced before the Exit Sensor goes OFF The original is ejected on the Exit Tray with lower speed Exit Motor OFF Exit Solenoid ON Exit Motor Forward Rotation Transport Motor Forward Rotation The original is transported to the exit section Transport Motor OFF after the or...

Страница 141: ...canning A Turnover operation flow Exit Motor M3 DF Turnover Gate Turnover Solenoid SL1 DF Turnover Solenoid SL1 DF Exit Motor Forward Rotation Transport Motor Forward Rotation Turnover Solenoid ON Switching of paper path in turnover section Turnover Sensor ON Transport Motor OFF Exit Motor OFF Transport Motor Backward Rotation Exit Motor Forward Rotation Starts the original transportation to its s...

Страница 142: ...he Lever Actuator provided in the RADF body that blocks or unblocks a sensor to initiate a recon firmation of the original size as read by the original size detection sensors 4 5 2 Raised lowered position detection The Raised Lowered Position Detection Mechanism uses a magnet installed in the RADF body to allow the main unit to know that the RADF is raised or lowered This mag net actuates the Size...

Страница 143: ...DEVELOP SERVICE MANUAL THEORY OF OPERATION PC 101 PC 201 ...

Страница 144: ......

Страница 145: ...1 1 1 Type 1 1 1 2 Paper type 1 1 1 3 Machine specifications 1 1 1 4 Operating environment 1 1 II Composition Operation 1 Overall composition 2 1 2 Drive system 2 2 3 Mechanical operations 2 3 3 1 Vertical transport drive mechanism 2 3 3 2 Paper lifting motion 2 4 3 3 Paper size detection 2 5 3 4 Paper level indicator mechanism 2 6 ...

Страница 146: ...QC 2235plus Theory of Operation Ver1 0 Mar 2004 ii I Outline II Composition Operation ...

Страница 147: ...type 2 way paper take up device Installation Desk type Document Alignment Center Paper Type Plain paper 56 to 110 g m2 15 to 29 1 4 lb Recycled paper 60 to 90 g m2 16 to 24 lb Paper Size A5R to A3 5 1 2 8 1 2R to 11 17 Capacity 3rd Drawer 500 sheets 4th Drawer 500 sheets Power Requirements DC 24 V 10 supplied from the main unit DC 5 V 5 Max Power Consumption 15 W or less Dimensions 570 mm W 263 mm...

Страница 148: ......

Страница 149: ... of Operation Ver 1 0 Mar 2004 Overall composition 2 1 II Composition Operation II Composition Operation 1 Overall composition 1 Lifting Plate 3 Right Door 2 Trailing Edge Stop 4 Edge Guides 1 PC 101 PC 201 2 3 4 1 2 3 4 ...

Страница 150: ...Drive system QC 2235plus Theory of Operation Ver 1 0 Mar 2004 2 2 II Composition Operation 2 Drive system Vertical Transport Drive Mechanism Vertical Transport Drive Mechanism PC 101 PC 201 ...

Страница 151: ... paper is separated and fed into the main unit When the drawer is slid in the lever is pushed to lower the Pick up Roller The Lift up Upper Limit Sensor then detects the upper limit position when the paper lift ing plate is raised The Paper Empty Sensor detects when paper in the drawer runs out The polyethylene sheet reduces resistance between a curled sheet of paper and guide thereby preventing s...

Страница 152: ...t stops raising the paper lifting plate As paper is consumed during the print cycle and the Pick up Roller is lowered the Lift up Motor is energized until the Lift up Upper Limit Sensor is blocked again A When the drawer is slid in 1 The paper lifting plate goes up and the top surface of the paper stack pushes up the roller 2 The lifting motion stops as soon as the sensor detects the upper limit p...

Страница 153: ...aper Size Sensors through the cutout in the lever The combination of the four FD Paper Size Sensors and two CD Paper Size Sensors that are either activated or deactivated determines the size of the paper loaded in the drawer The Tray Set Sensor detects that the drawer is slid into position as it is slid in Length Detection Width Detection Tray Set Sensor PC122 PF PC 121 PF Lift up Motor PC114 PF P...

Страница 154: ...drawer that serves as the Paper Level Indica tor showing the amount of paper that is still available for use A red lever is attached to the paper lifting plate of the drawer and as the paper lifting plate raises the red lever becomes visible in the window The more the red lever is visible the lesser the amount of paper will be available for use Paper Level Indicator on the front cover of the drawe...

Страница 155: ...DEVELOP SERVICE MANUAL THEORY OF OPERATION PC 401 ...

Страница 156: ......

Страница 157: ...1 Type 1 1 1 2 Paper type 1 1 1 3 Machine specifications 1 1 1 4 Operating environment 1 1 II Composition Operation 1 Overall composition 2 1 2 Drive system 2 2 3 Mechanical operations 2 3 3 1 Vertical transport drive mechanism 2 3 3 2 Elevator tray mechanism 2 4 3 3 Shift gate shifter drive mechanism 2 5 3 4 Paper empty detection 2 6 ...

Страница 158: ...QC 2235plus Theory of Operation Ver1 0 Mar 2004 ii I Outline II Composition Operation ...

Страница 159: ... Large Capacity Tray Type Front loading type LCT Installation Desk type Document Alignment Center Paper Type Plain paper 56 to 110 g m2 15 to 29 1 4 lb Recycled paper 60 to 90 g m2 16 to 24 lb Paper Size A4 8 1 2 11 Capacity 2500 sheets 80 g m2 21 1 4 lb Power Requirements DC 24 V 10 supplied from the main unit DC 5 V 5 Max Power Consumption 45 W or less Dimensions 570 mm W 263 mm H 548 mm D 22 1 ...

Страница 160: ......

Страница 161: ...n Ver 1 0 Mar 2004 Overall composition 2 1 II Composition Operation II Composition Operation 1 Overall composition 1 Sub Tray 4 Right Door 2 Main Tray 5 Vertical Transport Rolls 3 Vertical Transport Rollers 6 Front Cover 1 2 3 6 4 5 ...

Страница 162: ...QC 2235plus Theory of Operation Ver 1 0 Mar 2004 2 2 II Composition Operation 2 Drive system Vertical Transport Drive Mechanism Main Tray Lift Up Drive Mechanism Shifter Gate Drive Mechanism Shifter Drive Mechanism ...

Страница 163: ...aper Take up and Separation Roll ers ensure that only one sheet of paper is separated and fed into the main unit When the drawer is slid in the lever is pushed to lower the Pick up Roller The Tray Upper Limit Sensor then detects the upper limit position when the paper lifting plate is raised The Upper Paper Empty Sensor detects when paper in the drawer runs out Transport Roller Motor M120 PF M121 ...

Страница 164: ...anism The Main Tray is suspended by the cables at the front and rear As the Elevator Motor turns forward or backward the cables are wound to raise or lower the tray The Tray Lower Position Sensor detects the tray at its lower limit position Elevator Motor M5 LCT Tray Lower Position Sensor PC13 LCT Cables Sub Tray Main Tray ...

Страница 165: ...ont and rear Shift Gates Then the Shift Motor is energized to move the Shifter so that the paper stack on the Sub Tray is moved onto the Main Tray The Shifter continues moving and stops when the Shifter Return Position Sensor is acti vated When the Drawer Release button is thereafter pressed the Shifter starts moving and stops as soon as the Shifter Home Position Sensor is activated Shift Gate Mot...

Страница 166: ...ion 3 4 Paper empty detection Paper empty detection of Main Tray is performed by Paper Empty Board Paper empty detection of Sub Tray is performed by Shift Tray Paper Empty Sensor Transport Roller Motor M2 LCT Shift Tray Paper Empty Sensor PC9 LCT Paper Feed Motor M1 LCT Paper Empty Board PWB E LCT ...

Страница 167: ...DEVELOP SERVICE MANUAL THEORY OF OPERATION AD 501 ...

Страница 168: ......

Страница 169: ...cal operations 2 4 4 1 Switchback mechanism 2 4 4 1 1 Switchback operation 2 4 4 1 2 Paper exit roller drive coupling mechanism 2 4 4 1 3 Switchback Motor Control 2 4 4 2 Transport and duplex paper take up mechanism 2 5 4 2 1 Transport and duplex paper take up operation 2 5 4 2 2 Duplex Unit Transport Motor Control 2 5 4 3 2 sided printing method 2 6 4 3 1 Operations in 2 sided printing with a sin...

Страница 170: ...QC 2235plus Theory of Operation Ver1 0 Mar 2004 ii I Outline II Composition Operation ...

Страница 171: ... Unit Type Switchback and Circulating Duplex Unit Installation Mounted on the right side door of main unit Document Alignment Center Paper Type Plain paper 60 to 90 g m2 16 to 24 lb Paper Size A5R to A3 Wide 5 1 2 8 1 2R to 12 1 4 18 Power Requirements DC 24 V 10 supplied from the main unit DC 5 V 5 supplied from the main unit Max Power Consumption 17 W or less Dimensions 109 mm W 440 mm D 344 mm ...

Страница 172: ......

Страница 173: ...QC 2235plus Theory of Operation Ver 1 0 Mar 2004 Overall composition 2 1 II Composition Operation II Composition Operation 1 Overall composition 1 Duplex Unit Door 1 ...

Страница 174: ...ar 2004 2 2 II Composition Operation 2 Center cross section 1 Duplex Unit Transport Roll 2 4 Duplex Unit Transport Roller 3 2 Duplex Unit Transport Roller 2 5 Duplex Unit Transport Roll 1 3 Duplex Unit Transport Roll 3 6 Duplex Unit Transport Roller 1 1 6 5 2 3 4 ...

Страница 175: ...QC 2235plus Theory of Operation Ver 1 0 Mar 2004 Drive system 2 3 II Composition Operation 3 Drive system Duplex Unit Transport Drive Mechanism Switchback Drive Mechanism ...

Страница 176: ...he Duplex Unit 4 1 2 Paper exit roller drive coupling mechanism When the Duplex Unit is mounted the tip of the Duplex Unit Lever raises the Idle Lever to cut off the drive from the main unit Fusing Rollers and the Paper Exit Roller is driven by the Switchback Motor 4 1 3 Switchback Motor Control Rotation of the Switchback Motor is controlled by the signals output from the Duplex Control Board Exit...

Страница 177: ...operation Drive for the Duplex Unit is provided by the Duplex Unit Transport Motor 4 2 2 Duplex Unit Transport Motor Control Rotation of the Duplex Unit Transport Motor is controlled by the signals output from the Duplex Control Board Duplex Control Board PWB A DU Duplex Unit Transport Motor M2 DU Duplex Unit Transport Roller 1 Duplex Unit Transport Roller 2 Duplex Unit Transport Roller 3 ...

Страница 178: ...et of paper is taken up and fed in from the main unit drawer and the main unit starts the first print cycle to produce the print image of the second page of the original Paper Exit Roller Operation 2 Immediately before the 1 sided print leaves the Paper Exit Roller the direction of rotation of the Paper Exit Roller is reversed and the 1 sided print is transported toward and into the Duplex Unit 2 ...

Страница 179: ...sided print out of itself the main unit carries out the first print cycle for the second sheet of paper to produce the print image of the fourth page of the original 1 2 4 Switchback Motor M1 DU ON OFF ON OFF Synchronizing Roller Sensor PC28 Duplex Unit Transport Sensor 2 PC1 DU Exit Sensor PC10 Duplex Unit Transport Motor M2 DU OFF ON OFF ON ON OFF Forward Rotation Backward Rotation Forward Rotat...

Страница 180: ... first 1 sided print is transported toward and into the Duplex Unit At the same time the second sheet of paper is taken up and fed into the main unit 4 2 Operation 3 The main unit carries out the first print cycle for the second sheet of paper to produce the print image of the fourth page of the original At the same time the first 1 sided print is transported through the Duplex Unit Operation 4 Th...

Страница 181: ... 1 sided print for the third sheet is transported toward and into the Duplex Unit At the same time the second sheet of paper is fed into the main unit again 1 4 2 6 3 Operation 7 The main unit carries out the first print cycle for the second sheet of paper to produce the print image of the third page of the original At the same time the first 1 sided print for the third is trans ported through the...

Страница 182: ...n A4 2 originals 2 to 2 print mode Switchback Motor M1 DU ON OFF ON OFF Synchronizing Roller Sensor PC28 Duplex Unit Transport Sensor 2 PC1 DU Exit Sensor PC30 Duplex Unit Transport Motor M2 DU Forward Rotation Backward Rotation OFF ON OFF ON Forward Rotation Backward Rotation Forward Rotation ON OFF ...

Страница 183: ...DEVELOP SERVICE MANUAL THEORY OF OPERATION FS 501 ...

Страница 184: ......

Страница 185: ...nvironment 1 3 II Composition Operation 1 Overall composition 2 1 2 Center cross section 2 2 3 Drive system 2 3 4 Mechanical operations 2 4 4 1 Paper transport 2 4 4 1 1 Paper transport mechanism 2 4 4 1 2 Paper switchback mechanism 2 8 4 1 3 Roller rolls spacing mechanism 2 9 4 2 Finisher tray 2 10 4 2 1 Paper aligning mechanism 2 11 4 3 Stapling 2 13 4 3 1 Stapling mechanism 2 13 4 3 2 Stapling ...

Страница 186: ...QC 2235plus Theory of Operation Ver1 0 Mar 2004 ii I Outline II Composition Operation ...

Страница 187: ...Group Staple Paper Type Paper Size Weight Tray Capacity Exit Tray No of Sheets to be Stapled Plain paper A6R to A3 Wide 5 1 2 8 1 2R 5 1 2 8 1 2 to 12 1 4 18 60 to 256 g m2 16 to 68 lb 250 sheets 1st Tray Thick paper 20 sheets OHP Film Translucent paper Envelope Label paper Letterhead Paper Type Paper Size Weight Tray Capacity Exit Tray No of Sheets to be Stapled Plain paper B5R B5 to A3 Wide 7 1 ...

Страница 188: ...ight Tray Capacity Exit Tray No of Sheets to be Stapled Plain paper B5R B5 to A3 7 1 4 10 1 2R 7 1 4 10 1 2 to 11 17 60 to 90 g m2 16 to 24 lb Cover Mode 91 to 209 g m2 24 1 4 to 55 1 2 lb 1 000 sheets A4R 8 1 2 11R or smaller 500 sheets B4 8 1 2 14 or larger Elevator Tray 30 sheets 60 to 80 g m2 16 to 21 1 4 lb Staple Filling Mode Dedicated Staple Cartridge Mode 3000 staples Staple Detection Avai...

Страница 189: ...nment Conforms to the operating environment of the main unit No of Sheets to be Stapled No of Sets No of Sheets 2 pages 100 sets 200 Sheets 3 to 5 pages 80 sets 400 Sheets 6 to 10 pages 60 sets 600 Sheets 11 to 20 pages 40 sets 800 Sheets 21 to 30 pages 33 sets 1000 Sheets Power Requirements DC 24 V supplied from the main unit DC 5 V generated by Finisher Max Power Consumption 63 W or less Dimensi...

Страница 190: ......

Страница 191: ...eration Ver 1 0 Feb 2004 Overall composition 2 1 II Composition Operation II Composition Operation 1 Overall composition 1 1st Tray 4 Lower Front Cover 2 Upper Cover 5 Elevator Tray 3 Upper Front Cover 6 Rear Cover 1 6 5 4 3 2 ...

Страница 192: ...1st Tray Exit Roll 8 Entrance Roll 2 1st Tray Exit Roller 9 Lower Path Transport Roll 3 Upper Path Transport Roller 10 Lower Path Transport Roller 4 Upper Path Transport Roll 11 Storage Roller 5 Entrance Roller 12 Storage Roll 6 Transport Rolls 13 Exit Roller 7 Transport Rollers 14 Exit Roll 5 1 3 7 2 6 4 8 9 10 12 11 13 14 ...

Страница 193: ...ng Unit Moving Motor M6 FN CD Aligning Motor M5 FN Shift Motor M8 FN Lower Paddle Motor M9 FN Elevator Motor M7 FN Upper Entrance Motor M4 FN Storage Roller Rolls Spacing Motor M12 FN Entrance Motor M1 FN Lower Entrance Motor M2 FN Exit Motor M3 FN Upper Paddle Motor M15 FN Exit Roller Rolls Spacing Motor M13 FN ...

Страница 194: ...ition Operation 4 Mechanical operations 4 1 Paper transport 4 1 1 Paper transport mechanism A Entrance section paper transport mechanism The Entrance Roller is turned to transport the paper into the Finisher as the Entrance Motor is energized Paper Entrance Roller Entrance Motor M1 FN ...

Страница 195: ...h Transport Roller and 1st Tray Exit Roller turn to transport the paper into the 1st Tray as the motor is energized The 1st Tray Entrance Switching Solenoid and Upper Lower Entrance Switching Solenoid are energized to select the paper path into the 1st Tray 1st Tray Exit Roller Upper Path Transport Roller Upper Entrance Motor M4 FN Paper 1st Tray Entrance Switching Solenoid SL2 FN Upper Lower Entr...

Страница 196: ... is transported onto the Finisher Tray Either the upper paper path or lower paper path is used to transport paper onto the Finisher Tray The upper paper path is selected when the Upper Lower Entrance Switching Solenoid is energized while the 1st Tray Entrance Switching Solenoid is deenergized The lower paper path is selected when the Upper Lower Entrance Switching Solenoid is deenergized Finisher ...

Страница 197: ...Elevator Tray Either the upper paper path or lower paper path is used to transport paper onto the Elevator Tray The upper paper path is selected when the Upper Lower Entrance Switching Solenoid is energized while the 1st Tray Entrance Switching Solenoid is deenergized The lower paper path is selected when the Upper Lower Entrance Switching Solenoid is deenergized Finisher Tray Exit Motor M3 FN Exi...

Страница 198: ...rted via the upper paper path No switchback sequence is carried out if the interval between sheets of paper is wide as when using paper of a large size Three A4 originals for two print sets Sheets of paper for the first print set Sheets of paper for the second print set The sheets of paper for the first print are transported via the upper paper path onto the Finisher Tray The first sheet of paper ...

Страница 199: ...Storage Roller is spaced from the Storage Rolls as a cam is turned by the corre sponding motor B Exit roller rolls spacing mechanism Paper needs to be temporarily transported to the Finisher Tray in the Staple mode which makes it necessary to raise the Exit Rolls to provide a given clearance from the Exit Roller After the stapling sequence has been completed the Exit Rolls are lowered and pressed ...

Страница 200: ...Theory of Operation Ver 1 0 Feb 2004 2 10 II Composition Operation 4 2 Finisher tray Sheets of paper are properly aligned and stapled together on the Finisher Tray before being fed out into the Elevator Tray Elevator Tray Finisher Tray ...

Страница 201: ...osswise direction with reference to the center position of the Finisher Tray The Aligning Plate is moved as the CD Aligning Motor turns forward or backward The CD Aligning Home Position Sensor detects the Aligning Plate at its home position The movement of the Aligning Plate is determined with this home position used as the reference The movement of the plate is varied depending on the width of th...

Страница 202: ...nd Lower Paddles are turned to align the paper in the feeding direction The Upper Paddles are turned by the Upper Paddle Motor and Upper Paddle Solenoid The Lower Paddles are turned by the Lower Paddle Motor Upper Paddle Motor M15 FN Upper Paddle Solenoid SL3 FN Lower Paddle Finisher Tray Lower Paddle Motor M9 Upper Paddle ...

Страница 203: ...3 Stapling 4 3 1 Stapling mechanism The Stapling Unit performs the stapling action When the Stapling Motor turns the Clinch Arm lowers Then the Stapler moves up to drive a staple into paper and the staple is formed Staple position is the rear corner stapling at a point Stapling Motor 1 Clinch Arm Stapler ...

Страница 204: ...ing unit moving mechanism Stapling Unit is moved by the Stapling Unit Moving Motor The Staple Home Position Sensor detects Stapling Unit at respective home positions The Stapling Unit is moved with reference to this home position Stapling Unit 1 Staple Home Position Sensor PC14 FN Stapling Unit Moving Motor M6 FN ...

Страница 205: ...e sheet empty condi tion results and a staple empty display is given on the control panel of the main unit If a staple sheet empty condition is detected during a stapling sequence that particular sequence is continued until it is completed A staple empty display is then given After a new Staple Cartridge has been loaded the Stapling Motor is energized until the Self Priming Sensor detects loaded s...

Страница 206: ...nding on the number of sheets of paper to be fed into the tray If the Elevator Tray Upper Limit Sensor PQ PWB D FN is activated while paper is being fed into the tray the tray is lowered until the sensor is deactivated Paper removed from tray Moves up to the upper limit posi tion If the Elevator Tray Paper Sensor PC8 FN is unblocked when paper is removed from the tray the tray is raised until the ...

Страница 207: ...he Sort mode the Elevator Tray is moved to the front and rear by a motor to stack print sets in a sawtooth manner so that each print set is offset with respect to the others The Shift Home Position Sensor detects the Elevator Tray at its home position Elevator Tray Shift Motor Pulse Sensor PC11 FN Shift Home Position Sensor PC10 FN Shift Motor M8 FN ...

Страница 208: ... 2235plus Theory of Operation Ver 1 0 Feb 2004 2 18 II Composition Operation 4 5 Horizontal transport unit Entrance Switching Solenoid SL1 FN Turnover Empty Sensor PC6 FN Horizontal Unit Door Sensor PC4 FN Paper Sensor PC1 FN ...

Страница 209: ... to select the paper path For switchback sequence during 2 sided printing Solenoid energized For transport onto the Finisher Solenoid deenergized B Finisher paper transport mechanism A motor is employed to transport paper onto the Finisher The Paper Sensor functions to detect a sheet of paper present in the Horizontal Trans port Unit Entrance Switching Solenoid SL1 FN Turnover Empty Sensor PC6 FN ...

Страница 210: ......

Страница 211: ...DEVELOP SERVICE MANUAL THEORY OF OPERATION JS 601 ...

Страница 212: ......

Страница 213: ...I Outline 1 Product specification 1 1 1 1 Type 1 1 1 2 Functions 1 1 1 3 Paper type 1 1 1 4 Machine specifications 1 1 1 5 Operating environment 1 1 II Composition Operation 1 Overall composition 2 1 2 Center cross section 2 2 3 Mechanical operation 2 3 3 1 Job tray paper transport mechanism 2 3 ...

Страница 214: ...QC 2235plus Theory of Operation Ver1 0 Mar 2004 ii I Outline II Composition Operation ...

Страница 215: ...stallation Fixed to Finisher Document Alignment Center Modes Non Sort in the fax or printer output mode Paper Type Paper Size Weight Tray Capacity Plain paper A5R to A3 5 1 2 8 1 2R to 11 17 60 to 90 g m2 16 to 24 lb 100 sheets A4 8 1 2 11 80 g m2 21 1 4 lb 50 sheets except A4 8 1 2 11 80 g m2 21 1 4 lb Height up to 28 mm 1 lb Power Requirements DC 5 V DC 24 V supplied from Finisher Dimensions 341...

Страница 216: ......

Страница 217: ...QC 2235plus Theory of Operation Ver 1 0 Mar 2004 Overall composition 2 1 II Composition Operation II Composition Operation 1 Overall composition 1 Job Tray 2 Job Separator Cover 1 2 ...

Страница 218: ... 2235plus Theory of Operation Ver 1 0 Mar 2004 2 2 II Composition Operation 2 Center cross section 1 Job Separator Exit Roller 3 Job Separator Transport Roller 2 Job Separator Exit Roll 4 Job Separator Transport Roll 1 2 3 4 ...

Страница 219: ...Job Separator Exit Roller turn to transport the paper into the Job Tray as the motor is energized The 1st Tray Entrance Switching Solenoid Upper Lower Entrance Switching Solenoid and 3rd Entrance Switching Solenoid are energized to select the paper path into the Job Tray Job Separator Transport Roller Job Separator Exit Roller Upper Entrance Motor M4 FN 3rd Entrance Switching Solenoid SL4 Paper SL...

Страница 220: ......

Страница 221: ...DEVELOP SERVICE MANUAL THEORY OF OPERATION FS 601 ...

Страница 222: ......

Страница 223: ...ition 2 1 2 Drive system 2 2 3 Paper path 2 3 4 Mechanical operations 2 4 4 1 Horizontal transport mechanism 2 4 4 1 1 Paper path switching mechanism 2 4 4 1 2 Finisher paper transport mechanism 2 5 4 2 Finishing tray mechanism 2 6 4 2 1 Non sort mode 2 6 4 2 2 Sort mode 2 7 4 2 3 Staple Mode 2 7 4 2 4 Center staple booklet mode 2 8 4 2 5 Paper stacking with finishing tray 2 9 4 2 6 Aligning mecha...

Страница 224: ...omposition Operation 4 3 5 Stapling unit moving control 2 17 4 3 6 Elevator tray mechanism 2 18 4 4 Booklet tray 2 19 4 4 1 Overall composition 2 19 4 4 2 Transport operation in saddle section 2 20 4 4 3 Folding mechanism 2 24 4 4 4 Paper folding start position 2 25 ...

Страница 225: ...eets to be Stapled Plain Paper A6R to A3 Wide 5 1 2 8 1 2R 5 1 2 8 1 2 to 12 1 4 18 60 to 256 g m2 16 to 68 lb 60 to 90 g m2 16 to 24 lb Elevator Tray No of Sheets Height A4R 8 1 2 11R or smaller 1000 150 mm B4 8 1 2 14 or larger 500 75 mm Envelop OHP Film Label Paper Thick Paper Max Min Controlled by whichever reached earlier CD311 15 mm 86 mm 20 sheets FD457 2 mm 139 7 mm Paper Type Paper Size W...

Страница 226: ...evator Tray A4R 8 1 2 11R or smaller 2 to 50 B4 8 1 2 14 or larger 2 to 25 Controlled by whichever reached earlier Paper Type Paper Size Weight Tray Capacity Exit Tray No of Sheets to be Stapled Plain Paper A4R B4 A3 8 1 2 11R 8 1 2 11 8 1 2 14 11 17 60 to 90 g m2 16 to 24 lb 10 sets No of Sheets to be Stapled 6 to 10 sheets 20 sets No of Sheets to be Stapled 2 to 5 sheets Booklet Tray 2 to 10 she...

Страница 227: ...l Center Parallel Front Parallel 2 100 40 40 3 to 5 80 40 40 6 to 10 60 40 40 11 to 20 30 30 30 21 to 30 30 30 30 31 to 50 30 sets or 1000 sheets No of Sheets to be Stapled No of Sets Rear Parallel Center Parallel Front Parallel 2 100 50 50 3 to 5 80 40 40 6 to 10 40 40 40 11 to 20 30 sets or 1000 sheets 21 to 25 Power Requirements DC 24 V supplied from the main unit DC 5 V generated by Finisher M...

Страница 228: ......

Страница 229: ...tion Ver 1 0 Mar 2004 Overall composition 2 1 II Composition Operation II Composition Operation 1 Overall composition 1 Elevator Tray 5 Paper Guide 2 Upper Door 6 Rear Door 3 Front Door 7 Hookup Cord 4 Booklet Tray 1 2 3 7 4 5 6 ...

Страница 230: ...m QC 2235plus Theory of Operation Ver 1 0 Mar 2004 2 2 II Composition Operation 2 Drive system Saddle Drive Mechanism Aligning Drive Mechanism Entrance Drive Mechanism Tray Drive Mechanism Stapling Drive Mechanism ...

Страница 231: ...QC 2235plus Theory of Operation Ver 1 0 Mar 2004 Paper path 2 3 II Composition Operation 3 Paper path ...

Страница 232: ...is selected with the Entrance Switching Solenoid During a 2 sided print mode the solenoid is energized to feed the paper into the lower path and then feed it back to the main unit In a 1 sided print mode and when a 2 sided printed page is fed in the 2 sided print mode the Entrance Switching Solenoid is deenergized so that the paper can be trans ported to the Finisher Entrance Switching Solenoid SL...

Страница 233: ...mechanism Drive from the Transport Motor turns the Transport Roller to transport paper fed from the main unit onto the Finisher The Transport Roller on the Finisher side is driven by the Transport Motor to feed the paper through the Finisher Transport Motor M1 FN Finisher side Horizontal Unit side Transport Roller Transport Roller ...

Страница 234: ...1 0 Mar 2004 2 6 II Composition Operation 4 2 Finishing tray mechanism 4 2 1 Non sort mode In the Non Sort Mode Paper is taken back onto the Finishing Tray and then fed out onto the Elevator Tray Paper Transport Elevator Tray Paper Finishing Tray Elevator Tray ...

Страница 235: ...arge size whose length is longer than 300mm or 30 sheets for the small size whose length is shorter than 299mm are stacked a set of sheets is fed out onto the Elevator Tray Paper Transport 4 2 3 Staple Mode In the Staple Mode when one complete set of prints is fed out onto the Finishing Tray stapling is performed A stack of stapled paper is then fed out onto the Elevator Tray Paper Transport 1st s...

Страница 236: ...de A stack of paper fed onto the Finishing Tray is stapled at two places and then transported to the Saddle Section The paper transported to the saddle section is folded and then fed out onto the Booklet Tray The maximum number of the Center Staple Booklet is ten sheets Paper Transport Finishing Tray Booklet Tray 2 Point center stapling Saddle Section Folding ...

Страница 237: ... of the paper twice once for the additional sheets so that the trailing edge of the paper reaches the Finishing Tray Stopper After Paddle operation is finished Swing Guide will be lowered to prevent curling of paper The Paddle Motor provides the drive for the Paddle and Its home position is detected with the Paddle Home Position Sensor Paper Aligning Plate Exit Roller Paddle Upper Exit Roller Pape...

Страница 238: ...on The Aligning Plates home position is detected with the Front or Rear Aligning Plate Home Position Sensor With reference to this home position the amount of movement of the Aligning Plate is determined Front Aligning Motor M4 FN Front Aligning Plate Front Aligning Plate Home Position Sensor PI4 FN Shield Plate Rear Aligning Motor M5 FN Rear Aligning Plate Home Position Sensor PI5 FN Rear Alignin...

Страница 239: ... is stacked it is moved toward the front or rear side by the Front or Rear Aligning Plate Accordingly the offsetting operation is made whenever the paper is fed onto the Finishing Tray Offset to Front Side Offset to Rear Side Rear Aligning Plate Paper Front Aligning Plate Elevator Tray Paper Rear Aligning Plate Front Aligning Plate Elevator Tray ...

Страница 240: ...r taken up with the Exit Rollers toward the Exit Section by the Exit Rollers and the Exit Belt The Exit Belt Home Position Sensor turns OFF and then the Swing Guide moves up after the Motor has been driven for a given number of pulses The Exit Motor is driven to trans port a stack of paper with the Separators of the Exit Belt rotating in synchronization with the Lower Exit Roller onto the Elevator...

Страница 241: ...nt stapling positions used with the FS 601 Type Paper Size Inch area Paper Size Metric area Corner stapling Rear 8 5 11 8 5 11R 8 5 14 11 17 A4R A4 A3 Corner stapling Front 2 Point stapling 2 Point center stapling 8 5 11 8 5 14 11 17 A4 A3 Corner stapling Rear Corner stapling Front 2 Point stapling 2 Point center stapling 3 2 1 1 3 2 1 1 3 2 1 1 1 4 3 2 5 6 7 8 4 5 1 3 4 5 2 8 6 7 ...

Страница 242: ...e Slide Motor and stopped at the position where the Slide Home Position Sensor located at the bottom of the Staple Unit is blocked by the Light Shield Plate The Stapling Unit is moved to the rear side with the backward rotation of the Slide Motor and stopped at its standby position This standby position is determined by the number of pulses input to the Slide Motor since it is a stepping type moto...

Страница 243: ...he Swing Guide down with the Paddle Motor rotating in the reverse direction Stapling is performed by moving the Stapling Unit according to the specified stapling position However if stapling is made at one place at the rear side it is made at the stand by position without movement of the Stapler Unit If the Stapling Unit is moved toward the front side the Finishing Tray Stopper is lowered Paper Sw...

Страница 244: ... the forward direction until the Sensor is blocked or the signal is ON which designates that the position of the Cam is ready for the next stapling operation The Staple Detecting Sensor detects if the Staple Cartridge is in the Unit and if the staples are in the Staple Cartridge A Self Priming Sensor detects if the staples are positioned at the end of the Staple Cartridge This Finisher is equipped...

Страница 245: ...s used The Stapling Unit is at the home position on the rear side The staple position is the same as standby home position The staple position of 2 point stapling at the rear side is used only for B5 For 2 Point Stapling Operation The Stapling Unit stays at the home or the rear side and then moves to the stapling posi tion at each of stapling operation The order of stapling is first the rear side ...

Страница 246: ...t Motor driven for a given number of clock pulses The Clock pulse detection is generated with the Shift Motor Clock Sensor and the Eleva tor Tray is returned to its home position for the next stacking operation The Upper limit position of the Elevator Tray is detected with the Shift Upper Limit Sen sor When the Shift Upper Limit Sensor is turned ON upward movement drive from the Shift Motor is sto...

Страница 247: ...Booklet tray 4 4 1 Overall composition The Booklet Tray is fixed and all the paper stacked as a booklet is exited onto this Tray The Saddle Tray Sensor detects if the paper is stacked on the Booklet Tray but does not detect a paper jam Booklet Tray Saddle Tray Sensor PI13 FN Paper Hold Plate Paper Stopper ...

Страница 248: ...ration in saddle section A Paper transport After a stack of paper has been aligned on the Finishing Tray it is taken up with the Upper and Lower Exit Rollers With the rotation of the Upper and Lower Exit Rollers a stack of paper is transported into the Stapling Section Bundle of paper Upper Exit Roller Lower Exit Roller ...

Страница 249: ... further transported and temporarily stopped when the center area of the paper the area where stapling will be made has reached the position of the sta ples in the Stapling Unit Then a stapling operation is cycled at the center area with the Stapling Unit Stapling Unit Upper Staples Stapling Unit Lower Folding Position Sensor PI10 FN ...

Страница 250: ... stapled is transported to the paper folding exit position with the Transport Rollers The Paper folding exit position is the position where the cen ter of the paper where stapled is of the same height as that of the Paper Pressure Plate and nip area of the Folding Rollers Upper Transport Roller Lower Transport Roller Paper Pressure Plate Folding Roller ...

Страница 251: ...Paper Pressure Plate presses the center of the paper to transport the paper toward the Paper Folding Rollers Then the Paper Folding Rollers take up and fold the paper and feed the stack of paper onto the Booklet Tray through the Folding and the Booklet Exit Rollers Paper Pressure Plate Booklet Exit Roller Folding Roller ...

Страница 252: ...ly through the combination of the Gears and Cams etc This Motor drive is monitored with the Staple Folding Motor Clock Pulse Sensor The Folding Position Sensor is mounted to detect the position of the Folding Rollers and the Pressure Plate The stack of folded paper is transported with the Folding Rollers and then exits via the Booklet Exit Rollers Bundle of Paper Folding Home Position Sensor PI11 ...

Страница 253: ...al is used except at the center and both ends of the Folding Rollers This half of the Upper and the Lower Folding Rollers con tacts each other at the center and both ends and is only used to transport the paper thus preventing wrinkles The other half of the Upper and the Lower Folding Rollers contacts each other com pletely thereby folding and then transporting the paper Bundle of Paper Paper Pres...

Страница 254: ......

Страница 255: ...DEVELOP SERVICE MANUAL THEORY OF OPERATION PK 4 PK 131 ...

Страница 256: ......

Страница 257: ...CONTENTS I Outline 1 Product specification 1 1 1 1 Functions 1 1 1 2 Paper type 1 1 1 3 Machine specifications 1 1 1 4 Operating environment 1 1 II Composition Operation 1 Overall composition 2 1 2 Mechanical operations 2 2 2 1 Punching operation 2 2 2 2 Side registration operation 2 3 ...

Страница 258: ...QC 2235plus Theory of Operation Ver1 0 Mar 2004 ii I Outline II Composition Operation ...

Страница 259: ... of the main unit No of Holes optional Metric 4holes Inch 2holes 3holes Paper Type Paper Size Weight Tray Capacity Exit Tray No of Sheets to be Stapled Plain Paper Thick Paper 4 holes A4 A3 60 to 209 g m2 16 to 55 1 2 lb Elevator Tray 2 holes 8 1 2 11R 8 1 2 11 8 1 2 14 11 17 3 holes 8 1 2 11 11 17 Power Requirements Supplied from FS 601 Dimensions 90 mm W 170 mm H 530 mm D 3 3 4 inch W 6 3 4 inch...

Страница 260: ......

Страница 261: ...ory of Operation Ver 1 0 Mar 2004 Overall composition 2 1 II Composition Operation II Composition Operation 1 Overall composition 1 Punch Axis 3 Punch Motor M1P PK 2 Off center Cam 4 Hole Punch Waste Container 1 2 3 4 ...

Страница 262: ...of the Punch Axis The Punching operation for the first sheet of paper completes when the Punch Home Position Sensor is switched ON from OFF after the Punch Axis turns 180 deg in the for ward direction The Punching operation for the second sheet of paper is made when the Punch Axis turns 180 deg in the reverse direction 1 Punch Axis Stops at Home Position 2 Punch Axis rotates by 90 deg in forward d...

Страница 263: ... to the size of the paper And paper edge is detected by means the LED light emitted from LED Board and received by the Photo Sensor Board Combine this and the next two slides into one transitional slide A Operation 1 1 Trailing Edge Detection Sensor detects paper leading edge 2 Side Registration Motor rotates 3 Punch Slide Unit moves toward front side Side Registration Home Position Sensor PI2P PK...

Страница 264: ...pecified position 3 Punch Slide Unit stops Name Function Side Registration Sensor 1 Detects paper edge A3 A4 8 5 11 11 17 Side Registration Sensor 2 Detects paper edge B4 B5 Side Registration Sensor 3 Detects paper edge A4R 8 5 11R 11 14 Side Registration Sensor 4 Detects paper edge B5R Side Registration Sensor 1 Trailing edge Leading edge Rear side Side Registration Sensor 2 Side Registration Sen...

Страница 265: ... Edge Sensor detects paper trailing edge 2 Transport Motor is stopped 3 Paper transport is stopped 4 Punch Motor is driven to punch holes 5 Transport Motor is driven at the same time Side Registration Motor is driven in reverse direction 6 Punch Slide Unit is returned to its home position Trailing Edge Detection Sensor Punch Holes ...

Страница 266: ...DEVELOP Copyright 2004 Develop Printed in Germany ...

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