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VII. OPERATION

A. The Operation Panel

The operation panel is used to perform basic printer operations, make printer configuration
changes that software applications cannot control, identify available typefaces, and check the
status of the printer.

The operation panel consists of the status indication display, three indicator lights, and six

menu and operation keys.

Figure 1-7-1

•

Status indication display (2-line, 16-segment LCD): 1

Indicates the printer status and menu setting, and displays messages.

•

Alarm indicator: 2

ON:

An error has occurred and printing has stopped.

OFF:

Operation in normal and there is no error.

•

Menu key: 3

With the printer off-line, press the Menu key to scroll through the menu names and return to
the first menu name. To scroll back through the menu names in the opposite direction, press
the Shift and Menu keys.

Depending on what options have been installed, some menu names may not appear.

•

Item key: 4

With a menu name displayed, press the Item key to scroll through all the items on the menu
and return to the first item. To scroll back through the items in the opposite direction, press
the Shift and Item keys.

CHAPTER 1

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Menu

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Item

Value

Enter/Cancel

Go

Shift

On Line

Job

Alarm

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Содержание LBP-1000

Страница 1: ...LBP 1000 SERVICE MANUAL REVISION 0 COPYRIGHT 2000 CANON INC CANON LBP 1000 REV 0 JAN 2000 PRINTED IN JAPAN IMPRIME AU JAPON JAN 2000 RY8 13A1 000 ...

Страница 2: ...ed by PERIPHERAL PRODUCTS QUALITY ADVANCEMENT DIV PERIPHERAL PRODUCTS TECHNICAL DOCUMENTATION DEPT CANON INC 5 1 Hakusan 7 chome Toride City Ibaraki Pref 302 8501 Japan Use of this manual should be strictly supervised to avoid disclosure of confi dential information ...

Страница 3: ...iples and timing sequences of the electrical and mechanical systems Chapter 3 The Mechanical System Explanation of mechanical operation disassembly reassembly and adjustment procedures Chapter 4 Troubleshooting Troubleshooting procedures reference values and adjustments maintenance and servicing etc Appendix General timing chart general circuit diagram etc Information in this manual is subject to ...

Страница 4: ...600 PS laser beam printer final pages were printed on AGFA Selectset avantra 25 All graphics were produced with Macromedia FreeHand J and all documents and page layouts were created with QuarkXPress E The video images were captured with SONY degital video camcorder and Radius PhotoDV capture board system and modified with Adobe Photoshop J ...

Страница 5: ...24 B Printing Process 2 25 V PICK UP FEED SYSTEM 2 32 A Outline 2 32 B Fixing and Delivery Unit 2 35 C Paper Jam Detection 2 36 VI VIDEO CONTROL SYSTEM 2 38 A Video Controller Circuit 2 38 B Operation Panel 2 43 C Self Test 2 44 VII PAPER FEEDER 2 47 A Outline 2 47 B Pick up and Feeding 2 48 C Paper Jam Detection 2 51 I PREFACE 3 1 II EXTERNALS 3 2 A Locations 3 2 III MAIN UNITS 3 7 A Laser Scanne...

Страница 6: ...function Diagnosis Flowchart 4 1 B Initial Check 4 4 C Test Print 4 5 II IMAGE DEFECTS 4 8 III PAPER JAMS TROUBLESHOOTING 4 14 IV PAPER TRANSPORT TROUBLESHOOTING 4 19 V MALFUNCTION TROUBLESHOOTING 4 20 VI MALFUNCTION STATUS TROUBLESHOOTING 4 21 VII MEASUREMENT AND ADJUSTMENT 4 27 A Mechanical Adjustment 4 27 B Electrical Adjustment 4 27 C Variable Resistors LEDs Test Pins Jumpers and Switches on P...

Страница 7: ...TER 1 PRODUCT INFORMATION I FEATURES 1 1 II SPECIFICATIONS 1 3 III SAFETY INFORMATION 1 6 IV PARTS OF THE PRINTER 1 7 V INSTALLATION 1 10 VI MAINTENANCE AND SERVICING BY THE CUSTOMER 1 17 VII OPERATION 1 18 ...

Страница 8: ......

Страница 9: ...ded 4 Memory saving technology The Memory Reduction Technology enables printing on A4 or letter size paper at the resolutions of 1200 1200 dpi with only 4 Mbytes of memory 5 Energy saving Toner consumption reduction Energy saving functions such as the On Demand Fixing Method enable low power consump tion The Economy Mode allows the printer to use less toner than usual for lighter printing so that ...

Страница 10: ...This page intentionally left blank CHAPTER 1 1 2 ...

Страница 11: ...ose tray Cassette Paper feeder option Print paper Plain paper colored paper labels recycled paper OHTs and envelopes Paper sizes Multi purpose tray Min vertical feeding only 76 2mm W 127mm L to max 215 9mm W 355 6mm L sized plain paper 60g m2 to 163g m2 recommended paper and paper mentioned above Cassette Letter Legal Executive A4 A5 B5 JIS sized plain paper 60g m2 to 105g m2 recommended paper and...

Страница 12: ...mperature of 20 C with the rated voltage input the time from the reception of the print instruction command from the video controller to the end of the delivery of a A4 size print in face down 3 The dot ratio of 4 is equivalent to the printing ratio of 5 4 The size smaller than A4 is 100g m2 to 163g m2 5 When manual duplexing uncurl the paper delivered into the face down tray and then set it in th...

Страница 13: ... JIS sizes 2 Capacity 26mm stack about 250 sheets of 80g m2 paper 3 Dimensions 393 W 395 D 83 5 H mm 4 Weight About 2kg paper feeder About 1kg cassette 5 Power supply DC24V supplied from the printer Specifications are subject to change with product modification CHAPTER 1 1 5 ...

Страница 14: ...ler used in this printer The ozone gas is emitted only when the printer is operating This printer meets the ozone emission reference value set by Underwriters Laboratory UL at the time it is shipped from the factory CHAPTER 1 1 6 Invisible laser radiation when open AVOID DIRECT EXPOSURE TO BEAM DANGER INVISIBLE LASER RADIATION WHEN OPEN AVOID EXPOSURE TO BEAM CAUTION RAYONNEMENT LASER INVISIBLE EN...

Страница 15: ...tray 7 Power switch 2 Operation panel 8 Face up tray 3 Top cover 9 Power receptacle 4 Multi purpose tray 10 Test print switch 5 Expansion trays 11 Parallel interface connector 2 6 Cassette 12 Parallel interface connector 1 Figure 1 4 2 13 EP 32 cartridge CHAPTER 1 1 7 11 12 13 ...

Страница 16: ...2 Paper feeder Figure 1 4 3 1 Paper feeder 2 Cassette CHAPTER 1 1 8 ...

Страница 17: ... Separation pad 4 Primary charging roller 13 Cassette pick up roller 5 Developing cylinder 14 Transfer charging roller 6 EP 32 cartridge 15 Photosensitive drum 7 Registration shutter 16 Feed belt 8 Registration roller 17 Pressure roller 9 Multi purpose tray pick up roller 18 Paper feeder option CHAPTER 1 1 9 11 12 13 14 15 16 17 18 ...

Страница 18: ...ower frequency 50 60Hz 2Hz 2 Operating environment Install in a location that meets the following conditions Level flat surface Temperature humidity within the following ranges Surrounding temperature 10 to 32 5 C Surrounding humidity 20 to 80 RH relative humidity Cool well ventilated space Do not install in the following locations Exposed to direct sunlight If you cannot avoid such a location han...

Страница 19: ...Figure 1 5 1 CHAPTER 1 1 11 Side view The printer only Top view 615mm 110mm 100mm 300mm 1500mm 480mm 560mm The printer with the paper feeder ...

Страница 20: ...back of the slot 3 Paper feeder 1 Open the paper feeder packaging 2 Take the plastic bag off the paper feeder and peel off the tape securing the components Confirm that the paper feeder was not scratched or deformed during shipment 3 Take out the cassette from the paper feeder and remove the packing materials and the plas tic material stopper holding the lifting plate from the cassette 4 Place the...

Страница 21: ... while the printer is ON it may break the printer down c When installing and uninstalling the Adobe PostScript Module A 32 flash ROM or Expansion RAM DIMM all of these are options be sure to switch OFF the printer d A maximum length of three meters of shielded cable must be used for connecting the print er and host computer CHAPTER 1 1 13 ...

Страница 22: ...sitive drum it will deteriorate if exposed to strong light As there is also toner in the cartridge be sure to explain to the cus tomer the need to be careful in handling and storing unsealed cartridges a Storage environment 1 Be sure to store in the protective bag 2 Avoid locations exposed to direct sunlight near windows etc Do not leave the cartridge in cars for any extended period of time as hea...

Страница 23: ... patterns and check for toner leakage to prevent output image from dirt 2 Remove the cartridge from the printer before transporting it During transportation the car tridge must be kept in the protective bag or thick cloth to prevent direct exposure to light 3 Avoid placing the cartridge near CRT displays disk drives or floppy disks as the magnetism generated by the cartridge may destroy the data 4...

Страница 24: ...Figure 1 5 3 CHAPTER 1 1 16 ...

Страница 25: ... the pressure roller as below 1 Open the face up tray to switch to the face up delivery 2 Open the multi purpose tray and then load A4 size print paper 3 Press the Go key to off line the printer 4 Keep pressing the Menu key until the TEST MENU message appears in the upper line of the status display panel 5 Keep pressing the Item key until the CLEANING PAGE message appears in the lower line of the ...

Страница 26: ...rm indicator 2 ON An error has occurred and printing has stopped OFF Operation in normal and there is no error Menu key 3 With the printer off line press the Menu key to scroll through the menu names and return to the first menu name To scroll back through the menu names in the opposite direction press the Shift and Menu keys Depending on what options have been installed some menu names may not ap...

Страница 27: ...alternate function of dual function keys The two functions on the dual function keys are sep arated by a slash in the key name on the operation panel Go 8 Takes the printer off line and back on line When the On Line indicator is on the printer is ready to receive data and print When the On Line indicator is off the printer is off line and the other keys on the operation panel can be used to view a...

Страница 28: ...setting press the Value key until the value you want is displayed Then press the Enter key 7 Press the Go key to set the printer on line Figure 1 7 2 lists the Menu Operation Flow 2 Confirming menu selections There are two ways the selections made through the operation panel can be reviewed Scroll through the menu items to check all selections marked with an asterisk Make a Test Print The printed ...

Страница 29: ...formation and does not affect the menu settings The reset menu function RESET MENU clears the memory of all fonts macros and page information and restores most of the menu settings to their factory defaults A cold reset clears the memory and restores all menu settings to their factory default set tings with the exception of the page count value CHAPTER 1 1 21 ...

Страница 30: ...This page intentionally left blank CHAPTER 1 1 22 ...

Страница 31: ...MENU FNTSRC INTERNAL PCL MENU FONTNUM 0 PCL MENU PT SIZE 12 00 PCL MENU PITCH 10 00 PS MENU COPIES 1 PS MENU PRINT ERRS OFF PS MENU PS MENU RESOLUTION 600 1200 1 to 999 A5 EXEC COM10 MONARCH C5 DL B5 JIS B5 ISO LETTER LEGAL LANDSCAPE 5 to 128 SOFT FLASH 1 to 999 0 44 to 99 99 READY PAUSED Press the Go key to take the printer off line Press the Menu key to display the name of the first menu Press t...

Страница 32: ......

Страница 33: ...put A signal that is L or has a slash in front of its name is active at ground level and inac tive at the supply voltage level There is a microcomputer in this printer But as the internal operation of the microcom puter cannot be checked an explanation of the operation of the microcomputer has been left out As it is assumed that no repair will be made to customer circuit boards the explanation of ...

Страница 34: ......

Страница 35: ... device host computer etc PAPER PICK UP FEED SYSTEM Cleaning unit Face down tray Fixing unit IMAGE FORMATION SYSTEM Multi purpose tray LASER SCANNER SYSTEM Scanning mirror Laser diode Scanner motor BD circuit ENGINE CONTROL SYSTEM Face up tray Paper feeder Option Cassette Cassette pick up unit Multi purpose pick up unit Primary charging roller Transfer charging roller Developing unit Photo sensiti...

Страница 36: ...ntil the power is switched OFF From the input of the print instruction command from the video controller until the paper reaches the top of page sensor From the end of the INTR period until 2 seconds after the top of page sensor detects the trailing edge of the paper From the completion of printing until the main motor stops rotating Period Clears the drum surface potential and cleans the transfer...

Страница 37: ... is detected 6 High voltage control Detects whether or not the cartridge is installed and cleans the transfer charging roller after the primary charging AC bias is turned ON 7 Residual paper check After starting the main motor performs detection of the residual paper in the printer again If the residual paper is detected the printer assesses a paper jam or delivers the residual paper automatically...

Страница 38: ...m the engine controller Figure 2 2 1 shows a block diagram of this circuit Figure 2 2 1 CHAPTER 2 2 4 Fixing unit Low voltage power supply circuit 3 3V AC input Fixing control circuit Video interface control circuit High voltage control circuit IC402 Engine controller PCB 24V Video controller 5V Reset IC IC401 Regulator IC701 Sequence control circuit Cartridge Sensors Option Laser driver High volt...

Страница 39: ...lenoids etc control b Reset IC IC401 IC401 monitors 3 3V and resets the CPU at power ON c Regulator IC701 IC701 generates 5V based on 24V supplied from the low voltage power supply circuit This 5V is supplied to the laser driver and video controller d Fixing control circuit Refer to B Fixing control circuit in this chapter for details e High voltage power supply circuit Refer to C High voltage pow...

Страница 40: ... POSNS L when the sensor detects the paper Cassette paper sensor L when the paper is set in the cassette L when the top cover is open Interlock switch SW1701 J1703 2 1 J401 27 24 24V 24VR DOPEN Thermistor TH701 J1141 1 2 J301 1 2 FSRTH As the fixing heater temperature rises the voltage decreases Top of page sensor L when the sensor detects the paper J1008 1 3 J1001 1 4 Intermediate PCB PS501 PS502...

Страница 41: ...while main motor runs to pick up paper from the Multi purpose tray 24V Cassette pick up solenoid SL501 J405 1 2 CSTSL Sets L for a specified period of time while main motor runs to pick up paper from the cassette Intermediate PCB J401 20 19 18 Cooling fan FAN1001 Full speed rotation at about 24V Half speed rotation at about 18V FANON FLOCK H when the fan is locked J1005 1 2 3 J1001 8 9 10 Fixing u...

Страница 42: ...power control signal Scanner motor acceleration signal Scanner motor deceleration signal Scanner motor ACC DEC 24VA J401 4 1 3 2 18 J1705 4 Laser diode Laser driver J1009 5 10 11 9 J1001 22 19 18 20 J1001 16 17 15 Scanner motor drive support circuit 2 3 4 J1009 1 J1001 24 27 25 26 10 J1009 12 13 14 J401 12 11 13 J1007 1 2 3 J1001 6 7 5 J401 22 21 23 Laser control signal 1 Laser control signal 0 3 ...

Страница 43: ... power is supplied to the fixing heater when the printer is in the STANDBY mode When a print instruction command is input from the video controller the CPU starts the ini tial temperature control of the fixing heater Figure 2 2 5 At this time the CPU monitors the FSRTH signal and sets the THERMISTOR SWITCHING sig nal THCHG to H when the fixing heater temperature is low Initial temperature control ...

Страница 44: ...xing heater regardless of the RELAY DRIVE signal RLYD output from the CPU 3 Protective functions To prevent the excursion of the fixing heater the printer has the following three protective func tions The CPU monitors the voltage of TH701 If it is abnormal the CPU assesses a fixing heater failure cuts off the power to the heater and turns OFF the relay RL301 At the same time it reports the fixing ...

Страница 45: ...mperature during temperature control print between page temperature con trol mode The CPU assesses a low temperature during temperature control when the detected temperature is lower than 120 C for 1 second or more continuously in the print between page temperature control mode e Broken thermistor wire all modes The CPU assesses a broken thermistor wire when the output voltage from the thermistor ...

Страница 46: ... a result the pri mary AC bias is applied to the primary charging roller from the AC generation circuit in the pri mary high voltage circuit At the same time the PRIMARY DC BIAS DRIVE signals DCCK and CHAPTER 2 2 12 CPU IC402 Engine controller PCB Super impose Developing cylinder Photosensitive drum Primary charging roller Transfer charging roller J505 Voltage detection circuit Primary high voltag...

Страница 47: ...ng edge of the paper from going into the cartridge The print bias positive voltage is applied to the transfer charging roller in order to transfer the toner on the photosensitive drum surface onto the paper The trailing edge bias positive low voltage is applied to the transfer charging roller at a spec ified timing so that the residual toner on the photosensitive drum is not attracted to the trans...

Страница 48: ...ive function which interrupts the output voltage when troubles such as short circuit on the load side cause an excessive current flow or generate abnormal voltage to protect the power supply circuit If the overcurrent overvoltage protective function is activated and no DC voltage is output from the low voltage power supply circuit turn OFF the power switch rectify the problem in the faulty load an...

Страница 49: ...and then transfer the image onto paper to output it This section describes the types of the interface signals between the engine controller and video controller PCB and also discusses the operation sequences using the interface signals a System block diagram Figure 2 2 8 b Video interface signal Figure 2 2 9 CHAPTER 2 2 15 Video controller Video interface signal see Figure 2 2 9 External device ho...

Страница 50: ...o controller when it detects that the paper has reached the specified position after pick up operation On receiving the BD signal sent from the engine controller the video controller sends the VIDEO signals VDO VDO synchronized to the BD signal to the laser driver via the interme diate PCB The laser driver turns ON OFF the laser diode based on the VDO and VDO signals The laser beam emitted from th...

Страница 51: ...tion to half speed rotation by set ting the FANON of No 47 pin to L and reducing the FANON signal to the voltage level of half speed rotation The fan motor rotates at its full speed while the main motor is rotating and for 30 seconds after the main motor stops In other periods the fan motor repeats full speed rotation half speed rotation and stop in that order The CPU assesses a fan motor failure ...

Страница 52: ... through the collimator lens and cylindrical lens The laser beam reflected from the scanning mirror is brought to a point of focus on the pho tosensitive drum by the focusing lens and reflecting mirror As the scanning mirror rotates at a constant speed the laser beam is scanned across the drum at a constant speed The photosensitive drum also rotates at a constant speed allowing the laser beam to f...

Страница 53: ...NTRL0 and CNTRL1 signals are H and L respectively the laser driver circuit turns ON OFF the laser diode according to the VDO and VDO signals CHAPTER 2 2 19 PD Photo diode LD Laser diode C804 1 CONT0 64 CONT1 Engine controller PCB IC402 2 BDI CPU 5V J401 11 J401 5 6 J401 10 J401 9 J401 7 8 J1009 8 J1009 13 J1001 23 22 CNTRL0 J1001 18 CNTRL1 J1001 19 J1001 21 20 BDI J1001 17 J1009 5 J1009 11 J1009 1...

Страница 54: ...s the UNBLANKING signal based on the BD INPUT signal BDI sent from the BD PCB in the laser scanner unit During unblanking period the CPU controls the LASER CONTROL signal to emit laser forcibly There is a small fixed mirror BD mirror on the scanning start position in the optical path The laser beam is reflected by the BD mirror and sent to the BD PCB in the laser scanner unit The BD PCB generates ...

Страница 55: ... 1mm toward the center from the right and left sides of the Letter size regardless of the paper size specification 3 T2 is the range 1 5mm from the leading edge of the paper start of BD output to the trailing edge of the paper CHAPTER 2 2 21 T2 BD Unmasking area Unmasking area T1 1 5 mm 0 mm 1 mm 1 mm BD ...

Страница 56: ...CONTROL signal SVCHG to the scanner motor drive support circuit Then the scanner driver IC starts rotating the scanner motor when the ACC signal goes L The scanner motor keeps accelerating the rotation speed while the ACC signal is L When the CPU emits the laser forcibly while the scanner motor is rotating the BDI signal is sent from the BD PCB The CPU compares the BDI cycle with the reference clo...

Страница 57: ...to the video controller 1 Scanner failure The CPU assesses a scanner failure when the scanner motor rotation number does not reach the specified value within 10 seconds after the start of scanner motor rotation 2 BD failure The CPU assesses a BD failure when the BDI signal is not detected within 1 second after completion of scanner motor forced acceleration or when the BDI signal is not detected f...

Страница 58: ...gnals is exposed onto the photosensitive drum surface The latent image formed on the photosensitive drum is changed to a visible image by the toner on the developing cylinder and then transferred onto paper by the transfer charging roller Residual toner on the photosensitive drum surface is scrapped off by the cleaning blade Then the potential on the drum is made uniform by the primary charging ro...

Страница 59: ...igure 2 4 3 The printing process can be divided into five major blocks 1 Electrostatic latent image formation block Step 1 Primary charging Step 2 Laser beam exposure 2 Developing block Step 3 Developing 3 Transfer block Step 4 Transfer Step 5 Separation 4 Fixing block Step 6 Fixing 5 Drum cleaning block Step 7 Drum cleaning CHAPTER 2 2 25 Cleaner blade Photosensitive drum Primary charging roller ...

Страница 60: ...k Transfer block Electrostatic latent image formation block Developing block Multi purpose tray pick up Paper path Direction of drum rotation 2 Laser beam exposure 1 Primary charge 7 Drum cleaning Paper delivery 6 Fixing 5 Separation 4 Transfer Registration Cassette pick up ...

Страница 61: ...paration for the latent image formation a uniform negative potential is applied to the pho tosensitive drum surface For primary charging the printer uses the charging method which directly charges the drum The primary charging roller is made of conductive rubber In addition to DC bias AC bias is also applied to the primary charging roller to keep the potential on the drum surface uniform The DC bi...

Страница 62: ...surface to form a vis ible image This printer uses the toner projection development method with a single component toner Step 3 Developing Figure 2 4 8 Note Charges in the exposed areas of the photosensitive drum are shown as positive in the figure even though they are actually negative It means that the photosensitive drum potential is higher as compared with that of the cylinder CHAPTER 2 2 28 L...

Страница 63: ...on making the latent image on the drum visible Figure 2 4 9 An AC bias is applied to the developing cylinder to help project the toner particles to the drum surface and improve the contrast of the printed image The center voltage of the AC bias 1600Vp p varies with the DC bias voltage The change in the DC bias changes the potential difference between the cylinder and drum so the density of the pri...

Страница 64: ...per is reduced by the static charge elimi nator 4 Fixing block As the toner image transferred onto the paper in the transfer block is adhered only by electro static attraction even a light touch will smear the image The toner particles are fused to the paper to make an permanent image by applying pressure and heat to the paper and the toner Step 6 Fixing Figure 2 4 12 As the toner particles transf...

Страница 65: ...fix ing heater during the STANDBY mode Wait time of less than 10 seconds and energy conserva tion are made possible by this method Fixing film is cylindrical film of polyimide Its surface is coated with fluorine to prevent off set 5 Drum cleaning block In the transfer block not all the toner is transferred to the paper but some remains on the pho tosensitive drum In this block the residual toner i...

Страница 66: ...e by the initial temperature control or the specified period of time has elapsed after start of the tempera ture control In case of paper pick up from the cassette SL501 is turned ON and the rotation of the main motor is transmitted to the cassette pick up roller The cassette pick up roller makes a rotation and paper in the cassette is picked up In case of paper pick up from the multi purpose tray...

Страница 67: ... pick up roller Engine controller PCB Main motor DELIVERY DETECTION signal POSNS MULTI PURPOSE TRAY PICK UP SOLENOID DRIVE signal MPSL MAIN MOTOR DRIVE signal MON Face down delivery rollers PS502 PS504 Intermediate PCB PS503 PS501 TOP OF PAGE DETECTION signal TOPSNS MULTI PURPOSE TRAY PAPER DETECTION signal MPSNS CASSETTE PAPER DETECTION signal CSTSNS CASSETTE PICK UP SOLENOID DRIVE signal CSTSL F...

Страница 68: ...er receives the BD signal The paper is sent to the fixing delivery unit after transfer and separation process There are two photointerrupters PS502 PS503 on the paper path for detecting arrival or passing of the paper The CPU assesses a paper jam and reports it to the video controller if the paper does not arrive or pass through the sensors within a specified period of time As this printer has no ...

Страница 69: ...livered paper is detected by the delivery sensor PS503 This printer has both a face up tray and face down tray The paper is usually delivered to the face down tray but it switch es to the face up tray when the user opens the face up tray and pulls it up Figure 2 5 3 CHAPTER 2 2 35 Photosensitive drum Pressure roller Transfer charging roller Engine controller PCB Main motor DELIVERY DETECTION signa...

Страница 70: ...eder T about 4 4 seconds 2 Pick up stationary jam a When WAIT period starts The CPU assesses a pick up stationary jam if the top of page sensor detects paper when the WAIT period starts b During paper feeding The CPU assesses a pick up stationary jam if the top of page sensor PS502 cannot detect the trailing edge of the paper within 6 8 seconds after detecting the leading edge of the paper 3 Deliv...

Страница 71: ...paper During this period the CPU assesses a delivery stationary jam if the delivery sensor PS503 cannot detect the trailing edge of the paper within 8 seconds after the comple tion of the forced laser emission d During pressure roller cleaning During pressure roller cleaning the CPU assesses a delivery stationary jam if the delivery sen sor PS503 cannot detect the trailing edge of the paper within...

Страница 72: ...l 2 ROM control 3 Video interface control 4 IEEE 1284 parallel port interface control b ASIC AIR IC10 The ASCI has smoothing control circuit and SRAM Its main functions are as follows 1 Smoothing control of image 2 EEPROM control 3 Operation panel interface control c DRAM IC2 IC3 4 Mbyte DRAM is installed on the video controller PCB 72pin DIMM of 4 8 or 16 Mbyte can be installed to the two slots o...

Страница 73: ...Figure 2 6 1 CHAPTER 2 2 39 CPU AIR DRAM DRAM J4 J5 IC6 J1 IC9 IC10 J3 J9 J8 J7 J6 J10 ROM EEPROM ...

Страница 74: ...This page intentionally left blank CHAPTER 2 2 40 ...

Страница 75: ... I F Buffer Buffer IEEE 1284 IEEE 1284 PANEL I F LVCHR162245x1 ROM Cont ROM Cont ALE IOA 5 2 ROM Cont 66 666MHz AD 31 0 D 31 0 A 23 4 MA 10 0 nCAS 3 0 nWE nRAS 7 0 MD 31 0 MA 11 for Firm Ware 72pin 1slot for Option 72pin 2slot J6 7 J8 for Option 72pin 2slot J4 5 16 0000MHz nA8_VDO I O Cont nVDO nBD SCLK SC nRESET IOD 13 0 IOA 5 2 J3 J9 J1 nGCS IOD 15 0 IOD 11 0 CENTRO B Xilinx FIFO ...

Страница 76: ......

Страница 77: ...ivate and the set values with the switches 2 Operation The LCD and LEDs on the operation panel are controlled by the signal output from the video controller Any signals indicated by the switches on the operation panel are input to the video controller Figure 2 6 3 CHAPTER 2 2 43 LEDs nSCEN nPNLCLK nCOMWR nDENB PNLWR PNLRD J1 9 8 7 6 5 4 3 2 1 J1 1 2 3 4 5 6 7 8 9 AIR Gate Array LEDs Switches LCD L...

Страница 78: ...er ON while pressing the GO and Shift keys simultaneously PPG Check Sum ROM bank 0 or GO and Value keys simultaneously PS Check Sum ROM bank 1 The printer performs the check sum on the requested ROM bank with this function The cal culated Check Sum is displayed on the LCD c Factory Reset Function A4 LTR To reset the paper size default to A4 turn the power ON while pressing the Menu Item and Value ...

Страница 79: ...lumi nated i e all the columns are blacked Releasing the key clears the LEDs and the display 9 When all the keys have been tested PANEL CHECK DONE message is displayed and all the LEDs are kept blinking This state persists until the printer is turned OFF e Update flash Turn the power ON while pressing the Menu and Item keys simultaneously This function pro vides a Flash Menu for managing and downl...

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Страница 81: ... absence of the paper is detected by the paper sensor The flow of input output signals to from the paper feeder PCB is as shown below Figure 2 7 1 CHAPTER 2 2 47 Paper feeder PCB N C 24VA J2001 1 3 2 J2132 3 1 2 To printer FDSNS N C FDSN 4 5 6 J2131 3 2 1 To printer Paper sensor PS2001 J2110 3 1 2 J2003 1 3 2 FDSNS L when the sensor detects paper 24VA Pick up solenoid SL2001 FDSN L to start pick u...

Страница 82: ...solenoid SL2001 is turned ON 1 After the main motor has been driven for 0 5 seconds 2 After the scanner motor has reached 80 of the specified rotation number 3 The fixing heater temperature has been brought to the specified temperature by the initial temperature control or the specified period of time has elapsed after start of the tempera ture control As a result the main motor rotation is transm...

Страница 83: ...r charging roller Engine controller PCB Main motor MAIN MOTOR DRIVE signal MON Face down delivery rollers Intermediate PCB TOP OF PAGE DETECTION signal TOPSNS PAPER FEEDER PAPER DETECTION signal FDSNS PAPER FEEDER PICK UP SOLENOID DRIVE signal FDSN Feed rollers Registration roller Registration shutter Pick up roller Feed belts Feed rollers PS502 M1001 PS2001 Paper feeder PCB SL2001 ...

Страница 84: ...k up timing Figure 2 7 4 CHAPTER 2 2 50 Print instruction command Main motor M1001 Scanner motor Pick up solenoid SL2001 Top of page sensor PS502 Fixing heater Unit Second STBY INTR PRINT 80 of specified rotation number ...

Страница 85: ...C Paper Jam Detection Paper jam detection in case of paper pick up and feeding from the paper feeder is the same as that of the printer Refer to page 2 36 for the details CHAPTER 2 2 51 ...

Страница 86: ...CHAPTER 2 2 52 ...

Страница 87: ...CHAPTER 3 THE MECHANICAL SYSTEM I PREFACE 3 1 II EXTERNALS 3 2 III MAIN UNITS 3 7 IV MAIN PARTS 3 10 V SWITCH SENSORS 3 16 VI SOLENOIDS 3 19 VII MOTOR FAN 3 21 VIII PCBS 3 23 IX PAPER FEEDER 3 28 ...

Страница 88: ...ote the lengths diameters and locations of screws as you remove them When reassem bling the printer be sure to use them in their original locations 5 As a general rule do not operate the printer with any parts removed 6 Discharge electrical static from your body by touching the metal frame of the printer prior to handling the PCBs in order to avoid causing damage by the difference in static charge...

Страница 89: ...p cover unit Operation panel Figure 3 2 1 Follow the procedures below to remove the cover s if required when cleaning inspecting or repairing inside the printer The procedures for the covers which can be removed simply by removing screws without removing other parts are omitted CHAPTER 3 3 2 ...

Страница 90: ...e up tray shaft to remove the face up tray unit from the rear cover Screws Claws Expansion tray Face up tray unit Rear cover Figure 3 2 2 2 Top cover unit 1 Open the multi purpose tray 2 Remove the rear cover 3 Remove the 2 screws Screws Figure 3 2 3 Note The operation panel on the top cover is attached with the connec tor PCB and flat cable In the procedure 5 stated in the fol lowing page if the ...

Страница 91: ...ove it from the connector PCB Remove the top cover Flate cable Top cover unit Figure 3 2 5 Note for reassembly When installing the top cover be sure to set the flat cable securely 3 Right cover 1 Remove the cassette 2 Open the top cover 3 Open the multi purpose tray 4 Unhook the claw Slide the right cover toward you 1 and then turn it in the direction of the arrow 2 to remove Claw Right cover Figu...

Страница 92: ...e top cover unit and right and left covers 3 Pulling the side walls of the multi pur pose tray cover outward remove the multi purpose tray from the cover and then slide the cover to the left to remove Multi purpose tray cover Figure 3 2 8 4 Remove the 2 springs from the multi purpose tray 5 Remove the multi purpose tray shaft from the hinges to remove the tray Springs Hinges Multi purpose tray Fig...

Страница 93: ...p cover unit 2 Unhook the 2 claws and then remove the flat cable from the operation panel Claws Operation panel Figure 3 2 10 Note for reassembly When installing the operation panel be sure to set the flat cable securely CHAPTER 3 3 6 ...

Страница 94: ...ser scanner unit Screws Connector Laser scanner unit Figure 3 3 1 Note Do not disassemble the laser scan ner unit as it cannot be adjusted in the field B Drive Unit 1 Remove the video controller unit according to the steps 1 through 4 on page 3 26 2 Disconnect the connector from the intermediate PCB Connector Figure 3 3 2 3 Remove the 7 screws and then the drive unit Screws Drive unit Figure 3 3 3...

Страница 95: ...rinter with its left side at the bot tom 4 Remove the 3 screws and then the cas sette pick up unit Screws Cassette pick up unit Figure 3 3 5 D Registration Roller Unit 1 Remove the drive unit according to the steps 1 through 3 on page 3 7 2 Remove the gear Gear Figure 3 3 6 3 Remove the 6 screws and then the reg istration roller unit Screws Registration roller unit Figure 3 3 7 CHAPTER 3 3 8 ...

Страница 96: ...ect the 2 connectors remove the 4 screws and then pull out the fix ing unit toward you Connectors Screws Fixing unit Figure 3 3 8 Note Be sure to turn the power OFF and unplug the power cord before replacing the fixing unit After power OFF wait for a while to allow the fixing unit to cool down CHAPTER 3 3 9 ...

Страница 97: ...ose tray pick up roller Separation pad multi purpose tray Cassette pick up roller Separation pad cassette Lower registration roller Registration shutter Transfer charging roller Fixing film unit Pressure roller Figure 3 4 1 CHAPTER 3 3 10 ...

Страница 98: ...p roller toward you to remove Multi purpose tray pick up roller Figure 3 4 3 C Separation Pad multi purpose tray 1 Remove the multi purpose tray 2 Unhook the claw of the right and left multi purpose tray pick up sub rollers and move the right sub roller to the right and the left sub roller to the left 3 Remove the multi purpose tray pick up roller 4 Remove the 2 shafts of the separation pad and th...

Страница 99: ...move the cover if necessary 2 The printer can be placed upside down to conduct this operation In this case if the inside of the printer is dirty toner or paper dust may enter the laser scanner unit and cause image defects Therefore when placing the printer upside down be sure to cover the laser emission hole of the laser scan ner unit with tape Also it is advisable to cover the hole with tape when...

Страница 100: ...ngs Gear Lower registration roller Figure 3 4 8 G Registration Shutter 1 Remove the registration roller unit according to the steps 1 through 3 on page 3 8 2 Separate the upper registration roller unit from the registration roller unit 3 Remove the 2 bushings from the upper registration roller unit and then pull the shaft to the right to remove Remove the registration shutter Bushings Shaft Regist...

Страница 101: ...charging roller When the roller is set insert the spring into the boss of the bushing securely so that the bushing pushes the spring Figure 3 4 11 I Fixing Film Unit 1 Remove the fixing unit according to the steps 1 through 3 on page 3 9 2 Disconnect the connector from the delivery sensor 3 Remove the cables from the guides Connector Cables Figure 3 4 12 4 Remove the 2 screws 5 Unhook the 2 claws ...

Страница 102: ...t according to the steps 1 through 3 on page 3 9 2 Remove the fixing film unit 3 Remove the gear 4 Remove the screw holding the fixing entrance guide 5 While lifting the claw of the fixing entrance guide slide the guide to remove 6 Lift up the pressure roller to remove Gear Screw Fixing entrance guide Pressure roller Figure 3 4 15 Note When lifting up the pressure roller be sure not to deform the ...

Страница 103: ...V SWITCHES SENSORS A Locations Multi purpose tray paper sensor Delivery sensor Interlock switch Top of page sensor Cassette paper sensor Test print switch Figure 3 5 1 CHAPTER 3 3 16 ...

Страница 104: ... the 2 claws and then remove the multi purpose tray paper sensor with the connector 3 Disconnect the connector from the sen sor C Delivery Sensor 1 Remove the fixing unit according to the steps 1 through 3 on page 3 9 2 Disconnect the connector unhook the 2 claws and then remove the delivery sensor CHAPTER 3 3 17 ...

Страница 105: ... the steps 1 through 3 on page 3 7 2 Disconnect the connector and then remove the interlock switch E Top of Page Sensor Cassette Paper Sensor Test Print Switch 1 Remove the engine controller PCB according to the steps 1 through 7 on page 3 24 CHAPTER 3 3 18 ...

Страница 106: ...VI SOLENOIDS A Locations Multi purpose tray pick up solenoid Cassette pick up solenoid Figure 3 6 1 CHAPTER 3 3 19 ...

Страница 107: ...solenoid Figure 3 6 2 Note for reassembly When reassembling be sure that the cable is set in the cable guide C Cassette Pick up Solenoid 1 Remove the drive unit according to the steps 1 through 3 on page 3 7 2 Rotate the engine controller PCB according to the steps 3 through 5 on page 3 24 3 Disconnect the solenoid cable connec tor from the engine controller PCB 4 Remove the screw and then the cas...

Страница 108: ...VII MOTOR FAN A Locations Main motor Cooling fan Figure 3 7 1 CHAPTER 3 3 21 ...

Страница 109: ...r unit and left cover 2 Disconnect the connector 3 Remove the 2 screws and then remove the cooling fan together with the fan fil ter Note for reassembly When installing the fan the surface with the label should be facing inside and the arrow mark on the fan and printer should be pointing at the same direction as shown in the figure below Figure 3 7 2 CHAPTER 3 3 22 ...

Страница 110: ...VIII PCBS A Locations Engine controller PCB Intermediate PCB Video controller PCB Connector 1 PCB Connector 2 PCB Figure 3 8 1 CHAPTER 3 3 23 ...

Страница 111: ...herefore when placing the printer upside down be sure to cover the laser emission hole of the laser scanner unit with tape Also it is advisable to cover the hole with tape when placing the printer on its side or back 5 Remove the 4 screws lift the power switch side and then rotate the engine controller PCB Screws Figure 3 8 3 6 Disconnect the 6 connectors and then remove the engine controller unit...

Страница 112: ...ntermediate PCB 1 Remove the drive unit according to the steps 1 through 3 on page 3 7 2 Disconnect the 3 connectors Connectors Figure 3 8 5 3 Remove the screw disconnect the con nector and then remove the intermedi ate PCB Screw Intermediate PCB Figure 3 8 6 Note for reassembly When installing the intermediate PCB be sure to install the flat cable securely CHAPTER 3 3 25 ...

Страница 113: ...er PCB Figure 3 8 8 5 Remove the 4 screws and then the video controller unit mounting plate Screws Video controller unit mounting plate Figure 3 8 9 6 Remove the 3 screws Move the video controller PCB to the direction of the arrow to remove the connector and then the video controller PCB Screws Video controller PCB Figure 3 8 10 Note for reassembly When installing the video controller unit be sure...

Страница 114: ...e video controller PCB according to the video controller PCB removal steps 2 Remove the 3 screws and then the con nector 1 PCB 3 Remove the 2 screws and then the con nector 2 PCB Screws Connector 1 PCB Connector 2 PCB Figure 3 8 11 CHAPTER 3 3 27 ...

Страница 115: ...IX PAPER FEEDER A Locations Pick up roller Separation pad Pick up drive unit Pick up solenoid Paper sensor Paper feeder PCB Figure 3 9 1 CHAPTER 3 3 28 ...

Страница 116: ...ure to install the sensor lever in the positioning guide securely 4 Unhook the claw of the left bushing and then rotate the bushing to remove 5 Unhook the claw of the right bushing and then rotate the bushing to remove Move the bushing to the right and remove the shaft of the cassette pick up roller and then the roller 6 Remove the 2 sub rollers from the pick up roller Right bushing Left bushing S...

Страница 117: ...Note for reassembly When installing the separation pad be sure to set the spring securely 3 Removal of the pick up drive unit 1 Remove the pick up roller according to the steps 1 through 5 on page 3 29 2 Unhook the 4 claws and then remove the cover Claws Cover Figure 3 9 5 3 Disconnect the 3 connectors remove the 2 screws and then remove the paper feeder PCB Connectors Screws Paper feeder PCB Figu...

Страница 118: ... the 4 screws and then the pick up drive unit Screws Pick up drive unit Figure 3 9 7 4 Removal of pick up solenoid 1 Remove the pick up drive unit 2 Remove the screw and then the pick up solenoid CHAPTER 3 3 31 ...

Страница 119: ... unhook the 2 claws and then remove the paper sen sor 6 Removal of the paper feeder PCB 1 Remove the cassette 2 Place the paper feeder upside down 3 Unhook the 4 claws and then remove the cover Claws Cover Figure 3 9 8 4 Disconnect the 3 connectors remove the 2 screws and then the paper feeder PCB Connectors Screws Paper feeder PCB Figure 3 9 9 CHAPTER 3 3 32 ...

Страница 120: ... 6 III PAPER JAMS TROUBLESHOOTING 4 14 IV PAPER TRANSPORT TROUBLESHOOTING 4 19 V MALFUNCTION TROUBLESHOOTING 4 20 VI MALFUNCTION STATUS TROUBLESHOOTING 4 21 VII MEASUREMENT AND ADJUSTMENT 4 27 VIII MAINTENANCE AND SERVICING 4 31 IX LOCATION OF CONNECTORS 4 37 ...

Страница 121: ...to the malfunction diagnosis flowchart and to clear the problem following the action procedure for each malfunction Make sure the following points at the execution of troubleshooting Be sure that the connector has no poor contact when measuring the voltage at the specified terminal of the connector Before handling PCBs be sure to touch a metal part of the printer to discharge static elec tricity a...

Страница 122: ...m image defects Refer to the item malfunction status troubleshooting END Is test print executable Note 1 Refer to the item malfunction status troubleshooting Refer to the item malfunction troubleshooting Refer to the item paper transport troubleshooting No No Yes Yes Yes No No Yes No Yes Yes No No Yes Operator call or service call on the video interface Operator call or service call on the video i...

Страница 123: ...mation is not available make test prints with all feasible combination of paper source and delivery source in the printer and find out the factor 2 The image defect occurred at the user side might not re occur on its test print In this case make a print from external device and infer the defective part s from the output image Then find the defective part s according to the item image defects CHAPT...

Страница 124: ...o the pick up source within the specified volume b The paper is set to the selected pick up source correctly c The cassette is installed in the printer correctly d The size plate and the end plate cassette only are set correctly according to the paper size 4 EP 32 cartridge sets The cartridge is installed in the printer correctly contacting with the back of the slot firmly 5 Condensation During wi...

Страница 125: ...itch on the back of the printer refer to Figure 1 4 2 when the photosensitive drum is stationary and the printer is in the STANDBY mode Test pattern can be printed continuously as long as the switch is held down Whether the paper is loaded or not is checked in the order of the built in cassette multi purpose tray and the paper feeder every test print operation and the paper is picked up from the p...

Страница 126: ...vailable only after the Translator Module A5 for Adobe PostScript Level 3 module is installed Prints the PS demonstration page PRINT PCL DEMO Prints the PCL demonstration page CONTINUOUS TEST Makes continuous Test Prints CLEANING PAGE Refer to page 1 17 for the details Follow these steps to make a Test Print 1 Press the Go key to set the printer off line The On line indicator should be OFF and PAU...

Страница 127: ...0 PITCH 10 00 SYMSET ROMAN 8 AUTO CR OFF WIDE A4 OFF A4 LTR OVERRIDE OFF PS MENU RESOLUTION 600 COPIES 1 PRINT ERRS OFF FEEDER MENU FEED CASSETTE2 TRAY SWITCH ON MANUAL OFF MPT SIZE A4 CASSETTE1 SIZE A4 CASSETTE2 SIZE A4 CONFIG MENU JAM RECOVERY OFF AUTOCONT ON DENSITY 7 ECONOMY MODE OFF REFINE ON PARALLEL1 MENU PERSONALITY AUTO BIDIRECTION ON I O TIMEOUT 15 TEST MENU SHOW PAGE COUNT TEST PRINT PR...

Страница 128: ...ortion Output distorted image II 1 Light Possible causes 1 The image density is not adjusted correctly Action Adjust the image density by operating the external device 2 Open the top cover and remove the EP 32 cartridge while printing Open the drum protec tive shield of the cartridge and check the toner image on the photosensitive drum surface If the toner image has not been transferred to the pap...

Страница 129: ...3 Completely blank Possible causes 1 Damaged laser shutter open close projection of the EP 32 cartridge Action Replace the cartridge 2 Laser shutter is malfunctioning or damaged Action If the laser shutter is not moving smoothly or damaged replace the laser scanner unit 3 Poor contact in the developing bias contact on the engine controller PCB and in the cartridge contact Action Clean the contacts...

Страница 130: ...t Action Clean the contacts if dirty If the problem remains after cleaning or parts are deformed or damaged replace them 5 Defective engine controller PCB Action Replace the engine controller PCB II 6 Dirt on back of paper Possible causes 1 Dirty paper Action Replace the paper with new one Advise the customer on how to store paper 2 Periodic dirt Registration roller transfer charging roller pressu...

Страница 131: ...tridge from the printer Rock the cartridge in the way described in the chapter 1 and then install it back in the printer If the problem persists replace the cartridge 2 Dirty or deformed transfer charging roller Action Replace the transfer charging roller 3 Defective photosensitive drum or developing cylinder Action Replace the cartridge II 11 White vertical lines Possible causes 1 Lack of toner A...

Страница 132: ...on Replace the fixing unit 2 Dirty pressure roller Action Clean the pressure roller If the dirt cannot be removed replace the pressure roller 3 Scar s or dent s on the pressure roller surface Action Replace the pressure roller 4 Scar s or foreign materials on the fixing film unit surface Action Replace the fixing film unit 5 Deterioration of thermistor Action Replace the fixing film unit II 14 Ima...

Страница 133: ...tion roller Primary charging roller Photosensitive drum Developing cylinder Transfer charging roller Fixing film unit Pressure roller Cassette pick up roller Multi purpose tray pick up roller Period on image mm Blank spots Dirt on back of paper 13 3 13 95 12 30 16 14 6 24 20 31 32 Poor fixing Problem location About 42 About 44 About 38 About 94 About 42 About 46 About 75 About 63 Note Note Periods...

Страница 134: ...ock III 2 Cassette pick up block III 3 Paper feeder pick up block III 4 Transfer and feed block III 5 Fixing and delivery block If the factor of the malfunction is identified as paper jams by the malfunction diagnosis flow chart Figure 4 1 1 check the block in which the paper jam occurred and find out the defec tive part CHAPTER 4 4 14 ...

Страница 135: ...re the resistance between the cable side connector J404 1 and J404 2 If it is not about 95Ω replace the multi purpose tray pick up solenoid 8 Poor contact in the main motor drive signal line connector Action Reconnect the main motor connector J1702 and the intermediate PCB connector J1007 correctly 9 Defective main motor Action Replace the main motor 10 Poor contact in the engine controller PCB co...

Страница 136: ... engine test print from the cassette If the printer feeds the paper normal ly replace the video controller PCB 2 Dirty worn or deformed pick up roller Action Clean the pick up roller if dirty Replace it if worn or deformed 3 Damaged gear Action Check gears of the printer and the paper feeder Replace any damaged gear s 4 Defective pick up solenoid Action Disconnect the pick up solenoid connector J2...

Страница 137: ... Replace the bushing Replace any worn gear s 6 Damaged feed belt Action Replace the feed belt 7 Damaged registration roller drive gear Action Replace the gear 8 Damaged feed belt drive gear Action Replace the gear 9 Defective engine controller PCB Action Replace the engine controller PCB III 5 Fixing and delivery block Possible causes 1 Pressure roller does not rotate smoothly Action Check the gea...

Страница 138: ...e fixing unit delivery roller 8 Fixing unit delivery roller does not rotate smoothly Action Check the gears and replace any worn or fractured gear s 9 Worn delivery roller Action Replace the delivery roller 10 Delivery roller does not rotate smoothly Action Check the gears Replace any worn or fractured gear s CHAPTER 4 4 18 ...

Страница 139: ... Action Clean the fixing unit entrance guide 4 Dirty pressure roller Action Clean the pressure roller 5 Scarred or deformed fixing film unit Action Replace the unit if scarred or deformed 6 Worn or dirty registration shutter Action Clean the registration shutter if dirty Replace it if worn 7 Paper dust or dirt is accumulated on the feed roller registration roller or feed guide Action Clean the dir...

Страница 140: ...ion Check according to V 1 No AC power 2 Overcurrent overvoltage detection circuit activated Action If the problem is not rectified after the power switch is turned OFF and then ON again find the cause of activation of the overcurrent overvoltage detection circuit on the engine controller PCB Wait for two minutes or more before turning the power back ON 3 Defective wiring DC load or engine control...

Страница 141: ...roller PCB Action Replace the engine controller PCB VI 2 5F 51 ERROR BD failure 5F 52 ERROR Scanner unit failure Possible causes 1 Poor contact in laser scanner unit connectors Action Reconnect the BD PCB connector J1706 laser driver PCB connector J801 and scanner motor connector J1705 2 Poor contact in intermediate PCB connectors Action Reconnect the intermediate PCB connectors J1009 and J1001 3 ...

Страница 142: ...ontroller PCB VI 5 6F 63 ERROR Resident DRAM error Possible causes 1 Defective video controller PCB Action Turn the power OFF and then ON again If the problem remains after turning the power OFF and ON replace the video controller PCB VI 6 6F 68 ERROR NVRAM EEPROM error Possible causes 1 Defective NVRAM EEPROM Action Perform a cold reset If the problem remains after performing the cold reset repla...

Страница 143: ...e interlock switch 3 Defective engine controller PCB Action Replace the engine controller PCB VI 12 Printer does not enter READY state because no cartridge status is output when cartridge is installed Possible causes 1 Poor contact in the primary bias contract on the engine controller PCB and in the cartridge contact Action Clean the contacts if dirty If the problem remains after cleaning or parts...

Страница 144: ...st the lever so that it moves smoothly Replace it if damaged 2 Defective engine controller PCB Action Replace the engine controller PCB VI 15 Printer does not enter READY state because LOAD SIZE IN MPT is output when the specified size of paper is loaded in the Multi purpose tray Possible causes 1 Paper sensor lever does not move smoothly or is damaged Action Adjust the lever so that it moves smoo...

Страница 145: ...4 Defective engine controller PCB Action Replace the engine controller PCB CHAPTER 4 4 25 ...

Страница 146: ...This page intentionally left blank CHAPTER 4 4 26 ...

Страница 147: ...h the printed side facing down 3 Select face up delivery 4 Press the test print switch 5 Turn OFF the printer when the leading edge of the print emerges at the face up tray Open the top cover and take out the print about 10 seconds later 6 Measure the width of the glossy band across the paper and check that it meets the require ments as shown in Figure 4 7 1 Center a 6 0mm to 6 9mm Difference betw...

Страница 148: ...instruments and high preci sion Do not touch them in the field Notes 1 Some LEDs receive leakage current during normal operation thus glow dimly even when they should be OFF 2 Variable resistor which may be adjusted in the field are marked Variable resistor which may not be adjusted in the field are marked 1 Engine controller PCB Figure 4 7 2 CHAPTER 4 4 28 JP102 VR601 SW701 1 2 1 5 J301 J303 1 2 ...

Страница 149: ...Figure 4 7 1 CHAPTER 4 4 29 Power switch Test print switch SW No SW201 SW701 Function For factory use only VR No VR601 Function ...

Страница 150: ...This page intentionally left blank CHAPTER 4 4 30 ...

Страница 151: ...iously affect the performance These parts should be replaced during a regular service visit closest to the end of the parts expected life B Expected Service Life of Consumable Parts No consumable parts in this printer Note Consumable parts are expected to require replacement at least once during the warran ty period of the printer due to deterioration or damage They can be used until they become d...

Страница 152: ... Do not use water or solvent Make sure not to contaminate the roller with solvent or oil 2 Multi purpose tray pick up roller Cassette pick up roller Clean with lint free paper 3 Separation pad Clean with lint free paper 4 Registration shutter Clean with lint free paper 5 Transfer guide unit Clean with soft and dry flannel cloth 6 Static charge eliminator Clean with brush 7 Feed belt feed guide uni...

Страница 153: ...ulti purpose tray pick up roller 2 Feed belt 7 Separation pad 3 Transfer charging roller 8 Cassette pick up roller 4 Transfer guide unit 9 Static charge eliminator 5 Registration shutter 10 Fixing unit entrance guide CHAPTER 4 4 33 ...

Страница 154: ...ers Crimper Tweezers Ruler Soldering iron Mallet plastic head Brush Penlight Plastic bottle Solder Desoldering wick Lint free paper Soldering iron Oiler Plastic jar Digital multimeter No Tool name TKN 0001 TKN 0069 CK 0057 CK 0058 CK 0101 CK 0104 CK 0105 CK 0106 CK 0111 CK 0114 CK 0151 CK 0161 CK 0170 CK 0201 CK 0202 CK 0203 CK 0205 CK 0218 CK 0302 CK 0303 CK 0309 CK 0314 CK 0315 CK 0327 CK 0328 C...

Страница 155: ...F Special Tools No special tools are required for this printer besides the standard tools CHAPTER 4 4 35 ...

Страница 156: ...se locally Flammable keep away from flame MEK methyl ethyl ketone Cleaning oil and toner stains Purchase locally Highly flammable keep away from flame Lubricating oil Petroleum mineral oil Apply between gear and shaft Tool No CK 8003 100 ml bottle Tellus Oil 68 Shell Lubricating agent Special oil Special solid lubricating material Lithium soap Apply to gears Tool No HY9 0007 20 g tube Molycoat EM ...

Страница 157: ...IX LOCATION OF CONNECTORS Figure 4 9 1 CHAPTER 4 4 37 J701 J401 J303 J301 J404 J405 J402 J1007 J1703 J1 J1 J1715 J1708 J1008 J1701 J1132 J1141 J1000 J1709 J1710 J1702 ...

Страница 158: ...Figure 4 9 2 CHAPTER 4 4 38 J1005 J1009 J1006 J2 J1 J3 J9 J1705 J1706 J403 J2 J801 J10 ...

Страница 159: ...Figure 4 9 3 CHAPTER 4 4 39 J2003 J2002 J2001 J2131 J2132 J2130 J2110 ...

Страница 160: ......

Страница 161: ...APPENDIX I GENERAL TIMING CHART A 1 II GENERAL CIRCUIT DIAGRAM A 3 III LIST OF SIGNALS A 5 IV MESSAGES TABLE A 11 ...

Страница 162: ......

Страница 163: ...y pick up solenoid SL502 Paper feeder pick up solenoid SL2001 Top of page sensor PS502 Primary voltage AC Primary voltage DC Developing bias AC Developing bias DC Transfer voltage plus Transfer voltage minus Paper delivery sensor PS503 Fixing heater About 1 23 INTR PRINT LSTR 0 2 Less than 0 5 4 0 2 0 0 6 1 1 About 0 05 About 1 67 About 0 78 About 0 14 About 0 14 About 0 27 About 0 77 About 0 65 A...

Страница 164: ......

Страница 165: ...7 24VR NC NC 24V 24V MON GND FANON FLOCK GND SC SCLK BDO RESET GND 3 3V BDI CNTRL0 CNTRL1 GND GND 5V 5V 24V ACC DEC SVCHG 4 3 2 1 4 3 2 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 J1009 24V ACC DEC GND 5V GND VDO VDO GND CNTRL1 CNTRL0 3 3V BDI GND 7 6 5 4 3 2 1 7 6 5 4 3 2 1 3 2 1 3 2 1 1 2 3 1 2 3 J1005M FANON FLOCK GND FAN1001 1 2 3 1 2 3 J1007M MON GND 24V 3 2 1 J1703 1 2 3 SW1701 J1 5V 5V NC RESET BD S...

Страница 166: ... D22 D24 D26 D28 D30 QP_A2 VCC A4 A6 A8 A10 A12 A14 A16 A18 A20 A22 W_nR nRCS1 nRCS3 nRD0 nRD1 GND B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31 B32 B33 B34 B35 B36 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 A33 A34 A35 A36 J7 8 VCC D1 D3 D5 D7 D9 D11 D13...

Страница 167: ...GND J401 9 CNTRL1 O H Laser control signal 1 J401 10 CNTRL0 O H Laser control signal 0 J401 11 BDI I Pulse BD input signal J401 12 3 3V O J401 13 GND J401 14 RESET O L Reset signal J401 15 BDO O Pulse Beam Detect signal J401 16 SCLK I Pulse Serial clock signal J401 17 SC I O Status command signal J401 18 GND J401 19 FLOCK I L Fan lock detection signal J401 20 FANON O L Fan drive signal J401 21 GND...

Страница 168: ...MPSL O L Multi purpose tray pick up solenoid drive signal J405 1 24V O J405 2 CSTSL O L Cassette pick up solenoid drive signal J701 1 MP_DR O J701 2 GND J701 3 MPSNS I L Multi purpose tray paper detection signal Connector Pin Abbreviation I O Logic Signal name ...

Страница 169: ... H Laser control signal 1 J1001 20 GND J1001 21 GND J1001 22 5V I J1001 23 5V I J1001 24 24V I J1001 25 ACC I L Scanner motor acceleration signal J1001 26 DEC I L Scanner motor deceleration signal J1001 27 SVCHG I H Scanner motor power control signal J1005 1 FANON O L Fan drive signal J1005 2 FLOCK I L Fan lock detection signal J1005 3 GND J1006 1 5V O J1006 2 5V O J1006 3 RESET O L Reset signal J...

Страница 170: ... signal J1009 4 GND J1009 5 5V O J1009 6 GND J1009 7 VDATA O H Video signal J1009 8 VDATA O L Video signal J1009 9 GND J1009 10 CNTRL1 O H Laser control signal 1 J1009 11 CNTRL0 O H Laser control signal 0 J1009 12 3 3V O J1009 13 BDI I Pulse BD output signal J1009 14 GND Connector Pin Abbreviation I O Logic Signal name ...

Страница 171: ...NS O L Paper feeder paper detection signal J2001 5 NC J2001 6 FDSN I H Paper feeder pick up solenoid drive signal J2002 1 24V O J2002 2 FDSN O L Paper feeder pick up solenoid drive signal J2003 1 FD_DR O J2003 2 GND J2003 3 FDSNS I L Paper feeder paper detection signal Connector Pin Abbreviation I O Logic Signal name ...

Страница 172: ...This page intentionally left blank APPENDEX A 10 ...

Страница 173: ...nter has received more font and macro data than it can hold in the available memory of the Flash ROM The printer goes off line when this message is displayed No action required Press Go key Two options are available 1 Press Shift Enter key to enter the RESET menu and save the information immediately This will terminate the current job deleting temporary fonts macros and buffered data 2 Press Go ke...

Страница 174: ...tion Resident ROM checksum error Resident DRAM error NVRAM EEPROM error SRAM in AIR chip error An optional ROM DIMM diagnostic error The parallel port is not communicating with the controller The parallel port is not communicating with the controller Option DRAM DIMM diagnostic error An option DRAM DIMM has failed the start up diagnostic check Option ROM DIMM diagnostic error An option ROM DIMM ha...

Страница 175: ...e to process the data and print the page If AUTOCONT is ON CONFIG MENU the print job will resume after 10 seconds This message is displayed when the RESET MENU is selected in the RESET MENU The printer is using MRT Compression with the possibility of print quality deration lossy compression No toner cartridge is installed in the printer or the cartridge is not installed correctly This is the Contr...

Страница 176: ... job Printer is open This message is displayed when RESET PRINTER is selected in the RESET MENU This message is displayed when a key that is not enabled in the current function is pressed The printer is warming up No action required Remove the jammed paper The top cover must be opened and closed to resume printing Inspect the tray or the cassette for mismatched paper and cor rect Close the printer...

Страница 177: ...red by PERIPHERAL PRODUCTS QUALITY ADVANCEMENT DIV PERIPHERAL PRODUCTS TECHNICAL DOCUMENTATION DEPT CANON INC Printed in Japan REVISION 0 JAN 2000 5 1 Hakusan 7 chome Toride City Ibaraki Pref 302 8501 Japan ...

Страница 178: ...The printing paper contains 70 waste paper PRINTED IN JAPAN IMPRIME AU JAPON 0100AT0 70 CANON INC ...

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