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Prepared by

Office Imaging Products Technical Support Division

Office Imaging Products Quality Assurance Center

CANON INC.

Printed in Japan

REVISION 0 (APR. 1999) (18756)

5-1, Hakusan 7-chome, Toride-shi, Ibaraki 302-8501 Japan

Содержание NP6317

Страница 2: ...UESTIONS REGARDING INFORMATION CONTAINED HEREIN SHOULD BE DIRECTED TO THE COPIER SERVICE DEPARTMENT OF THE SALES COMPANY THIS DOCUMENTATION IS INTENDED FOR ALL SALES AREAS AND MAY CONTAIN INFOR MATION NOT APPLICABLE TO CERTAIN AREAS COPYRIGHT 1999 CANON INC Printed in Japan Imprimé au Japon Use of this manual should be strictly su pervised to avoid disclosure of confidential information Prepared b...

Страница 3: ...APTER 2 STANDARDS AND ADJUSTMENT A MECHANICAL 2 1 B ELECTRICAL 2 15 A SENSORS FUSES AND LAMPS 3 1 B CLUTCHES SOLENOIDS FANS MOTORS AND HEATERS 3 2 CHAPTER 4 IMAGE TROUBLESHOOTING C SWITCHES CIRCUIT BREAKERS COUNTERS ETC 3 3 D PCBS 3 4 A INITIAL CHECK 4 1 B SAMPLES OF IMAGE FAULTS 4 4 CHAPTER 5 OPERATION TROUBLESHOOTING 1 2 3 4 5 6 7 8 CHAPTER 3 FUNCTION AND ARRANGEMENT OF THE ELECTRICAL PARTS C TR...

Страница 4: ...DIAGNOSIS APPENDIX A PAPER JAMS 6 1 B INCORRECT PAPER FEED OPERATION 6 5 A Outline 7 1 B Using the Service Mode 7 1 C Guide to Service Mode 7 2 A GENERAL TIMING CHART A 1 B LIST OF SIGNALS ABBREVIATIONS A 3 C GENERAL CURCUIT DIAGRAM A 5 D SOLVENTS AND OILS LIST A 7 E SPECIFICATIONS A 8 ...

Страница 5: ...placed on schedule Parts should be replaced during the regular service visit that is closest to the end of the service life of the part as of March 1999 Table 1 1 Note The above values are estimates and are subject to change depending on future data 1 Repacement 60 000 60 000 60 000 60 000 300 000 No 1 2 3 4 5 Description Ozone filter Optical fan filter Static charge eliminator Transfer corona wir...

Страница 6: ...ies 30 000 100 000 100 000 100 000 100 000 200 000 200 000 200 000 200 000 200 000 90 000 90 000 100 000 100 000 Quantity 1 1 1 2 2 1 1 1 5 5 1 1 1 1 Part No FA5 1952 000 FC2 9799 00P FH7 3114 000 FC2 9750 00P FS1 1240 000 FG2 3009 00P FC2 8962 00P FC2 9774 00P FB1 0301 000 FA2 9037 000 FB1 8581 000 FF3 3698 00P FF3 2855 00P FB3 4494 00P Description Oil applying roller fixing assembly Scanner driv...

Страница 7: ...s d Leading edge blank area e Left and right margins f Fixing synchronizing and soiling of back g Unusual noise h Operation of counter Procedure Note the operator s comments Record the counter reading Make DIRECT and two page overlay test copies Clean the corona assemblies Clean separation feeder assem blies Clean fixing and delivery assemblies Paper guide plate Separation claws upper and lower Pe...

Страница 8: ...ower brush If very dirty clean with alcohol Clean mirror 6 with the mirror cleaning tool Dry wipe using lint free paper then clean using alcohol Damp cloth Clean with alcohol Clean with cleaning oil Clean with MEK Every 30 000 copies Every 15 000 copies Description Copyboard glass Ozone filter Scanner rails Transfer guide Feeder belt Feeder frame Scanning lamp reflector Scanning lamp side reflecto...

Страница 9: ...rum correct NO YES YES Note 1 YES Turn the copy density knob clockwise Note 2 The image will become lighter Turn the copy density knob counterclockwise Note 3 The image will become darker Is the density of gray scale No 10 too dark See Note 3 YES Is the density of gray scale No 10 correct See Note 3 NO NO See Note 4 YES End Image adjustment should be per formed using the following settings 1 Manua...

Страница 10: ...embly and Paper pick up assembly Feeder belt Feeder assembly Location Transter guide Tool Cleaner Damp cloth Action Remarks Cleaning Separation and transfer assemblies Primary corona grid Location Developing rollers Primary corona assembly Transfer corona assembly Static charge ellminator Tool Cleaner Alcohol Alcohol and lint free paper Blower brush Blower brush Action Remarks Cleaning Wipe with a...

Страница 11: ...er is passing over the white strip the leading edge of the copy will be reproduced blank If the leading edge non image width is outside the standards adjust the timing at which the grid bias goes from OFF to ON in the service mode C3 Figure 2 1 The standard leading edge non reproduced area on a DIRECT copy of the test sheet is 2 0 1 5 mm Figure 2 2 A higher setting C3 increases the leading edge no...

Страница 12: ...aking this adjustment Figure 2 3 A higher setting in the service mode C2 increases the leading edge margin 3 Side to Side Registration a Cassette Feeding The standard near side registration on a DIRECT copy of the test sheet is 10 0 2 mm Figure 2 4 Loosen the two screws and adjust the latch assembly for the cassette found on the back of the bottom plate by sliding it Figure 2 5 10 0 1 5 mm 10 2 mm...

Страница 13: ...eeder Feeding The standard near side registration on a DIERCT copy of the test sheet is 10 0 2 mm Figure 2 6 Loosen the screw and adjust the multifeeder side guide by sliding it Then tighten the screw Figure 2 7 10 2 mm 0 2 4 6 8 10 Screw Side guide ...

Страница 14: ...ixing base and the wire fixing piece with a scriber 3 Remove the two screws keeping the pulley fixing base 4 Remove the cable b Attaching the Lens Cable 1 Remove the two screws keeping the lens pulley fixing plate and remove the lens pulley 2 Wind the lens cable around the lens pulley as shown in Figure 2 8 and secure it with the two fixing screws 3 Shift the pulley fixing base to the position of ...

Страница 15: ...PTER 2 STANDARDS AND ADJUSTMENT 2 5 5 Installing the Scanner Drive Cable Figure 2 9 Lower grove Scanner pulley 1 4 2 6 Top groove 6 3 Pulley 2 Screw A Screws B Mark the position Pulley 3 5 Pulley 1 4 turns ...

Страница 16: ...at point A approximate center of the free cable with a spring gauge so that the cable lengths touch each other If the reading on the spring balance is not about 1 0 0 5 kg loosen the screws B of Figure 2 9 turn screw A to achieve this reading and then tighten the screws B Figure 2 10 Top View Pulley 2 Pulley 2 Mirror 2 3 mount Scanner A 1 0 0 5 kg Scanner drive capstan Pulley 1 ...

Страница 17: ...epro duction ratio and poor focus resulting in poor sharpness and fuzziness in the copy image 1 Draw lines 10 mm from each edge of a piece of copy paper A3 as shown in Figure 2 11 Figure 2 11 2 Make a copy of the paper with the lines marked on it A 3 Place a blank sheet of paper on the copyboard and feed the marked sheet of paper into the copier Use manual feed B Passing the sheet through the copi...

Страница 18: ...For reference If the distance between the mirrors is short the image will be enlarged If the distance is long the image will be reduced Figure 2 13 Top View J K L M N O X Y Z a b No 1 mirror mount Fixing screws front rear Mirror drive cable ...

Страница 19: ...opy 7 Check the copy ratio If the copy ratio is appropriate go to d Adjusting the Lens and Mirror Position 50 If the copy ratio is not appropriate repeat step 4 and later d Adjusting the Lens and Mirror Position 50 1 Make a 50 copy 2 Check the copy ratio If the copy ratio is not appropriate perform the following steps 3 Enter service mode C7 copy ratio adjustment 50 4 Try increasing or decreasing ...

Страница 20: ...14 9 Adjusting the Tension of the Belt The main motor drives the drum via a timing belt Adjust the tension of the belt by selecting the mounting hole of the main motor so that when the center of the timing belt is pushed down with a force of 500g the distance between the two runs of the belt is between 20 and 25 mm Figure 2 15 A A A 1 Tension decreases Tension Increases Main motor mounting holes S...

Страница 21: ...crews of the scanner drive assembly then while pushing the scanner drive assembly against the rear plate direction of arrow 1 move it in the direction of the manual feed tray direction of arrow 2 so that it touches the pulley base and the lens gear In this condition tighten the screws and confirm that there is play between the lens gear and the gear of the lens drive capstan Figure 2 17 Photosensi...

Страница 22: ... the V groove of the height adjusting piece 13 Adjusting Height of the Corona Wires Figure 2 19 Note The height position of the corona wire of the primary and transfer corona assemblies can be adjusted by turning the screw at the back of the corona wire Turning the screw once causes the height of the corona wire to change by about 0 7 mm Corona assembly Primary corona assembly Transfer corona asse...

Страница 23: ...cover and make an A3 size solid black copy 2 Set the solid black copy to the multifeeder 3 Select the service mode C13 3 1 Detach the VR cover from the rear of the left cover 3 2 Press the service switch SW300 on the DC controller PCB 3 3 Select the service mode C13 using the 10 key or the zoom key 4 Press the COPY START key The solid black paper is automatically picked up from the multifeeder The...

Страница 24: ...SELECT key on the control panel to select the multifeeder 3 Press the COPY START key 4 Check that the leading edge of the copy paper butts against registration roller and arches at the time turn the copier OFF 5 Measure the distance between A trailing edge of the second sheet and B trailing edge of the first sheet Figure 2 21 6 Turn the copier ON and select C4 in the service mode 7 Enter a setting...

Страница 25: ...e listed below VRs and check pins not listed here are used only for factory adjustments which require special tools and measuring instruments as well great care and precision Do not attempt to adjust such parts Notes 1 Leakage current may flow through some LEDs and cause them to glow dimly even though they are supposed to be OFF 2 VRs which can be adjusted in the field VRs which should not be adju...

Страница 26: ...ust VR301 on the DC controller so that 19 appears on the COPY COUNT RATIO indi cator Figure 2 23 7 Press the SORT GROUP key The scanning lamp will go OFF and the scanner will return to the home position 8 Remove the test sheet place a sheet of newspaper on the copyboard and lower the copyboard cover 9 Press the SORT GROUP key The copier will perform the same operations as described in step 5 10 Ma...

Страница 27: ...ensity lighter standard value is 110 to 120 variation of then steps is equivalent to approximately one step of F of the exposure lever on the control panel 5 Make a 50 copy if the copy density is not yet satisfactory repeat steps 3 to 4 b Adjusting the Lamp Brightness 200 1 Make a 200 copy 2 Check the exposure if the density is not satisfactory perform the following 3 Enter service mode C25 4 Modi...

Страница 28: ...ed voltage approx 0 6V Arm lowered voltage approx 0V Q2 Pre registration paper sensor PDP1 J304 8 J304 7 With the copier in STANDBY raise and lower the arm manually Arm raised voltage approx 5V Arm lowered voltage approx 0V Q5 Scanner home position sensor SCHP J312 5 J312 4 With the copier in STANDBY move the scanner by hand Scanner in HOME po sition voltage approx 5V Scanner not in HOME position ...

Страница 29: ...home position sensor Scanner home position sensor Lens home position sensor Cassette paper sensor Delivery paper sensor Upper fixing roller temperature sensor 1 main Upper fixing roller temperature sensor 2 auxiliary Scanning lamp over temperature protector Scanning lamp Pre exposure lamp Pre exposure lamp Code TS1 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 TH1 TH2 F2 LA2 LA731 LA738 Name Black toner level sensor Ph...

Страница 30: ...stration roller clutch Pick up roller clutch solenoid Lens drive solenoid Multifeeder solenoid Blank solenoid Main motor Scanner motor Mirror motor Scanner cooling fan Exhaust fan Fixing roller heater Code CL1 SL1 SL2 SL3 SL4 M1 M2 M3 FM1 FM2 LA1 Name Clutch Solenoid Motor Fan unit Heater M SL CL SL4 SL3 SL2 SL3 SL1 H1 CL1 FM2 M2 M3 M1 FM1 ...

Страница 31: ...WITCHES CIRCUIT BREAKERS COUNTERS ETC Figure 3 3 Symbol Function Power switch Cassette size sensor Front door switch Fixing assembly over temperature protec tor Total counter Code SW1 SW2 DS1 F1 CNT1 Name Switch Microswitch Thermoswitch Counter CNT SW1 SW2 F1 DS1 CNT1 ...

Страница 32: ...ing lamp voltage Supplying high voltage for primary and transfer assemblies and developing bias Controlling the control panel Supplying power to the sorter Supplying power to the ADF Preventing noise Controlling copy density Indicates power on Name DC controller PCB Power supply assembly AE sensor PCB Lamp regulator PCB High voltage transformer PCB Control panel PCB DC power supply PCB for sorter ...

Страница 33: ...e original has a background color such as yellow which causes poor contrast c Check the density of the original Examples Originals which are diazo copies or transparent originals Copies are likely to be mistak enly judged as being foggy Pencil originals Copies are likely to be mistakenly judged as having a light image 3 Checking the Copyboard Cover or the Copyboard Glass If the cover or glass is d...

Страница 34: ...m or fail to be fed satisfactorily due to condensation on the pick up and delivery guide plate e The friction of the lower manual feed paper pick up roller may be reduced resulting in unsat isfactory paper pick up If condensation occurs in the copier switch the copier ON and leave it to stand for 10 to 20 minutes If a cartridge in its original sealed wrapping is taken from a cold place to a warm p...

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Страница 36: ...4 4 NOTE The samples are created intentionally The NA 3 Test Sheet was copied in the direct mode in A3 and printed with a reduction of about 19 actual images may be somewhat different ...

Страница 37: ... 4 of the black devel oping assembly are con nected by a jumper wire If they are not connect them End Replace the drum unit Result Yes Yes Yes Yes No Check Does the image quality improve after the basic adjustment procedure is followed Is the image lighter is when a copy is made using AE Is the image lighter when a copy is made using a black developing assembly Is the image quality improved after ...

Страница 38: ...in the CT unit replace the CT unit Check if the developing bias is being supplied to the developing cylinder Result Yes No No Yes Yes No No No Yes Check Does the image quality improve after the basic adjustment procedure is followed Switch the copier OFF during copying and open the front door Does the toner image on the surface of the photosensitive drum prior to transfer appear normal Are the cor...

Страница 39: ...g cylinder with a dry cloth 3 If the problem is in the CT unit try putting the CT unit in the storage box and shaking it vig orously If the image does not improve re place the CT unit 1 Clean all the corona wires once more then recheck the position of each corona wire 2 Try changing the copy paper Result Yes No Yes No No Yes Check Does the image quality improve after the basic adjustment procedure...

Страница 40: ...proofing glass are cleaned Does the pre exposure lamp go ON during copying Set the meter to the 30VDC range and measure the voltage between J307 6 and J307 7 of the DC controller PCB Is the voltage 10V or less during copying and approx 16V at other times Is the voltage between J307 5 and J307 7 of the DC controller PCB approx 0 6V during copying and approx 14V at other times Procedure 1 2 3 4 5 Ca...

Страница 41: ... fixing blade Check for dirt at the inlet of the fixing assembly Result No Yes No Yes No Check Press the COPY START key and switch the copier OFF to stop the paper on the feeder Are there black lines on the copy image before the paper passes through the fixing assembly Are there any scratches or black lines around the circumference of the photosen sitive drum In the case of black lines on the drum...

Страница 42: ...place the drum unit Find out the causes of the scratches on the drum Check if outside light is striking the photosensitive drum End Clean the static charge eliminator Result No Yes No Yes Yes No Yes No Check Press the COPY START key with the copyboard cover open then switch the copier OFF to stop the copy paper on the feeder Are there any white strips or narrow white lines on the copy image before...

Страница 43: ...ing paper 1 Check the scanner rail for foreign matter ad hering to it 2 Adjust the tension of the scanner drive cable Clean each corona as sembly wires and frame Result Yes Yes Yes Yes No Check Do the white strips occur at intervals of approx 63mm Scratches on developing cylinder Do the white strips occur at intervals of approx 94mm Scratches on the photo sensitive drum Does the image become darke...

Страница 44: ...s occur at intervals of approx 50mm Are the upper and lower fixing rollers dirty Procedure 1 2 3 Cause Problem area Developing assembly Fixing assem bly 14 Faulty fixing Action Check for scratches on the upper and lower fix ing rollers Refer to the sub section Fixing roller heater does not operate Adjust the lower fixing roller pressure Check if the recom mended paper is being used If the results ...

Страница 45: ...he registration roller clutch If it is normal replace the registration roller clutch Replace the DC control ler PCB Result No No Yes Yes Yes No Check Is the original set correctly Is copy paper recommended by Canon be ing used Is the pick up roller soiled by paper dust etc Does the copy improve when registration is adjusted leading edge blank area Set the meter to the 30VDC range and measure the v...

Страница 46: ...ng Does the blurring occur at intervals of approx 95mm Does the blurring occur at intervals of approx 63mm Procedure 1 2 3 4 5 Cause Problem area Scanner drive cable Scanner system rail Scanner drive system Photosensitive drum Developing gear Drum drive system Action Check from step 4 Check the scanning lamp and lamp regulator Check the toner coating on the developing cylin der of the developing a...

Страница 47: ...atio within the standard for a DIRECT copy Procedure 1 2 3 4 Cause Problem area Original Copyboard glass Lens drive assembly Mirror position Dirt on the scanner 21 Blank image Action Insert the drum unit Insert the developing as sembly 1 Check if the photosen sitive drum rotates smoothly 2 Check the drum drive unit Replace the DC control ler PCB Replace the high voltage transformer HVT Result No N...

Страница 48: ...CHAPTER 4 IMAGE TROUBLESHOOTING 4 16 22 Black image Action Check according to Scanning lamp does not go ON Result No Check Does the scanning lamp go ON during copying Procedure 1 Cause Problem area ...

Страница 49: ... Does the problem disappear when the ther mistors TH1 2 are replaced Procedure 1 2 Cause Problem area Thermistors Action Refer to the sub section Fixing roller heater does not operate End Replace the DC power supply PCB or DC con troller PCB Result No Yes No Check Cancel the E001 indication Does the fix ing roller heater H1 go ON immediately after power is switched ON Does the problem disappear wh...

Страница 50: ...e scanner home position sensor Q5 normal Procedure 1 2 3 Cause Problem area Scanner home position sensor Q5 DC controller PCB 5 E208 indication Action Replace Q4 Replace the DC control ler PCB Replace the mirror mo tor Result No Yes No Check Check Q4 Is Q4 normal Press the zoom key within 50 200 Does the mirror carriage move Procedure 1 2 Cause Problem area Mirror home position sensor Q4 Mirror mo...

Страница 51: ... Check the scanning lamp LA1 does not light when copying Check if the scanning lamp LA1 lights when copier is in standby Procedure 1 2 Cause Problem area Scanning lamp LA1 Lamp regulator DC controller PCB 8 E261 indication Action End Replace the DC control ler PCB Result Yes No Check Does the problem disappear when the power unit is replaced Procedure 1 Cause Problem area Power unit DC controller ...

Страница 52: ...when the power is switched OFF and then ON again Does the problem disappear when circuit beaker CB2 on the ADF controller PCB is pressed Set the meter to the 12VDC range then connect the lead to J10 3 and the lead to J10 2 of the ADF controller PCB Is the voltage approx 5V Set the meter to the 30VDC range then connect the lead to J9 1 and the lead to J9 2 of the ADF controller PCB Is the voltage a...

Страница 53: ...N again Does the problem disappear when circuit breaker CB1 on the sorter controller PCB is reset Set the meter to the 30VDC range then connect the lead to J2 1 and the lead to J2 3 of the sorter PCB Is the volt age approx 24V Is the fuse on the sorter power supply PCB normal Set the meter to an AC range high enough for measuring line voltage Connect the lead to J106 1 and the lead to J106 2 Is th...

Страница 54: ...o No No Yes Check Try operating the main switch by hand Does it operate normally Check the wiring from the DC controller PCB J316 1 and 2 to the control panel Is it normal Is there electrical continuity from J503 1 to J509 2 on the control panel PCB Is the wiring from J509 of the control panel PCB to the main switch normal Procedure 1 2 3 4 Cause Problem area Main switch SW1 Wiring Control panel P...

Страница 55: ...ugged into the outlet Are the front door and the delivery assem bly closed completely Is line voltage being supplied to the power outlet Is line voltage present between J1 1 and J1 2 Check the voltage between J101 and J102 Is the voltage standard Check the continuity between the termi nals of the door switch DS1 Is the resis tance 0Ω when the actuator is pressed and infinite when the actuator is r...

Страница 56: ...gain Is AC line voltage present between termi nals J103 1 and J103 2 Are the following connector pins con nected properly J100 4 and J100 5 J100 1 and J100 2 Has a fuse F100 on the power supply as sembly blown Are the following output voltages present at the various connectors on the power supply assembly shown below Procedure 1 2 3 4 5 Cause Problem area Overcurrent protection circuit AC power su...

Страница 57: ...ring clutch and control ring Replace any necessary parts Check the wiring from the pick up clutch sole noid SL1 to the DC controller PCB If it is normal replace SL1 Replace the DC control ler PCB Result Yes No Yes Yes Yes No Yes Check Does the indicator remain ON Is the drive belt installed correctly Is the leading edge of the copy paper reaching the registration rollers Open the right door and pr...

Страница 58: ...n rollers nor mal Procedure 1 2 3 4 5 Cause Problem area Sensor arm Pre registra tion paper sensor Q2 Multifeeder solenoid SL3 Gears DC controller PCB 17 Registration rollers do not rotate Action Re install or replace any belts or gears Check the wiring from J307 to CL1 If it is nor mal replace the registra tion roller clutch CL1 Replace the DC control ler PCB Do the registration roll ers or drive...

Страница 59: ...cor rectly Switch the copier OFF hold the back of the scanner and move it back and forth Does it move smoothly Is the scanner drive capstan engaged with the interruption gear See Figure 10 401 Switch the power OFF and disconnect connector J302 on the DC controller PCB Set the meter to the 100Ω range and mea sure the registance between the connectors shown below Is the registance Ω J302 1 COMB J302...

Страница 60: ...CHAPTER 5 OPERATION TROUBLESHOOTING 5 12 Figure 5 1 Scanner drive capsten Connecting gear SL2 Engaged ...

Страница 61: ...amp Replace the DC control ler PCB End Check the AC wiring from the power switch to the lamp regulator and lamp and check the DC wiring from the DC con troller to the lamp ragulator Result No No No No Yes No Check Is the lamp installed correctly Check the continuity of the thermal fuse FU2 Connect the leads to both ends of the fuse Is there continuity Disconnect connector J204 2P from the lamp reg...

Страница 62: ...xing assembly Replace the DC control ler PCB Replace the AC driver DC power supply PCB Result Yes No No Yes No Yes Check Disconnect connector J106 3P from the AC driver DC power supply PCB Set the meter to the 1kΩ range Connect the leads to J106 1 and J106 3 Does the needle move Remove the fixing assembly Connect the leads to both ends of thermoswitch F1 Does the needle move Connect the leads to t...

Страница 63: ...ess the COPY START key Does the voltage change from approx 0V to approx 24V Procedure 1 2 Cause Problem area Counter Counter DC controller PCB Action Check the wiring from the DC controller PCB to the lens solenoid SL2 If it is normal replace SL2 Check the lens drive cable and capstan and rails If necessary clean or re install the wire Result No No Check Switch the power OFF and remove the rear co...

Страница 64: ...ing nor mally See p 2 18 Does the trouble diappear if the controll panel is replaced Procedure 1 2 3 Cause Problem area Cassette size sensor PCB Multifeeder paper sensor Q1 Cassette paper sensor Q7 Control Panel DC controller PCB 25 indicator does not go OFF Action Push the cassette in fully Check the wiring from the DC controller PCB to Q1 or Q7 If it is normal replace Q1 or Q7 Replace the DC con...

Страница 65: ...wing sensors functioning nor mally See p 2 18 Pre registration paper sensor Q2 Delivery paper sensor Q8 Procedure 1 Cause Problem area Jam sensor DC controller PCB 28 indicator does not GO on when there is no toner Action Connect J39 securely Check the wiring from the DC controller PCB to TS1 and check the movement of the stirring rod inside the black de veloping assembly If these are normal repla...

Страница 66: ...controller PCB DC controller PCB Stirring rod gear Black toner level sensor 30 indicator does not go ON Action Disconnect the shorting connector and connect the connector of the con trol card unit Check the wiring be tween the control card V unit and the DC control ler PCB End Replace the DC control ler PCB End There may be a prob lem with the relay on the card sensor PCB Replace the controller PC...

Страница 67: ...s No No Yes Check Is anything displayed on the control card display Is a department card being used Take the card out completely then insert it once again Does EE appear on the control card display Is there dirt on the card PCB or is it bro ken etc Does the display in step 4 flash Borrow the upper limit setting card from the user and check the departmental upper limit flashing in step 5 Has the nu...

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Страница 69: ...MS A PAPER JAMS The main areas in this copier where jams could occur are as follows 1 Paper pick up area 2 Separation and feeder area 3 Fixing and delivery assembly area 4 Drum cleaner area Troubleshooting of paper jamming is described here for each of the above areas Figure 6 1 2 3 1 4 6 ...

Страница 70: ...k each feed roller for wear and deforma tion 2 Check the paper guide plate for burrs or de formation Result No Yes Yes No Yes No Yes Check Is the cassette pushed fully into the copier Does the problem disappear when a differ ent casssette is used Is the copy paper curled or creased Does the pick up roller rotate during the copying cycle Are the pick up roller shoes deformed or worn Is the pre regi...

Страница 71: ...ulleys Replace the DC control ler PCB Result Yes No Yes No Yes No No Yes Check Does the leading edge of the copy paper pass through the registration rollers Does the registration roller clutch CL1 operate correctly Are the registration rollers worn deformed or dirty Are the reataining spring at the ends of the registration rollers installed correctly Is the paper guide wire of the transfer co rona...

Страница 72: ...paper guide Is the height of the paper guide plate correct Is the roller pressure nip width within the standard Does the delivery sensor arm move smoothly Is the delivery paper sensor correctly See p 2 10 Procedure 1 2 3 4 5 6 7 8 Cause Problem area Delivery assem bly separation claws Fixing assembly Delivery assembly Upper and lower fixing rollers Paper guide plate Nip width Delivery pa per senso...

Страница 73: ...strength of the paper lifting springs If it is weak replace them Suggest that the user use paper recommended by Canon Check if the hold down tabs are deformed Result No No No Yes Check Is the copy paper positioned correctly un der the hold down tabs Push the copy paper down in the cassette and release it Does it rise smoothly Is paper recommended by Canon being used Procedure 1 2 3 Cause Problem a...

Страница 74: ...th at the same time Result Yes Yes Yes No No Yes Check Switch the power OFF while the copy paper is passing along the feeder Are there any wrinkles in the copy paper at this point Is the paper skewed Does the trouble disappear when new copy paper is used Is any foreign matter such as toner ad hering to the paper guide Is the height of the paper guide cor rect Is the roller pressure nip width withi...

Страница 75: ...UMERIC keypad on the control panel For example the display indicates C3 in response to a press on 3 6 Press the SORT GROUP key 7 Operate as follows as necessary Mode No C0 C12 C17 and C22 A press on the SORT GROUP key executes the selected mode a second press stops the execu tion Mode No C1 through C11 and C15 C21 C23 C24 C25 Change the setting using the numeric keypad and press the SORT GROUP key...

Страница 76: ... Universal cassette code setting Lamp brightness 50 adjusting Lamp brightness 200 adjust ing Range 0 to 50 0 to 63 0 to 63 0 to 63 0 to 63 0 to 63 0 to 65 0 to 65 130 to 230 0 to 63 0 to 255 0 1 0 to 5 0 1 0 to 6 100 to 185 100 to 185 Default 25 32 32 32 32 32 180 32 95 1 0 1 0 124 145 Note 0 10 Volt step 0 25 mm step 0 25 mm step 0 25 mm step 0 25 mm step 0 25 mm step 0 0037 step 0 15 step C 0 11...

Страница 77: ...CHAPTER 7 SERVICE MODE 7 3 Table 7 2 Table 7 3 Size No cassette A4 A3 A4 R A5 R Universal code 0 8 12 14 15 7 Size B4 B5 B5 R LETTER LETTER R LEGAL STMT R Code 0 1 2 3 4 5 6 ...

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Страница 79: ...it temperature drops below 50 C when the copier is in stand by or copying If the C HEAT CHECK signal is on while the HEAT ON signal is off If the main motor speed feedback sig nal does not appear after 2 sec from the main motor If the break signals is quenerated con tinuously for 0 1 sec or more when the counter is not being driven Code displayed Main cause Fixing roller heater LA1 low tem peratur...

Страница 80: ...e COPY START key is pressed If the scanner does not leave the home position SCHP remains 1 within 1 5 sec after it starts to ad vance If the scanner does not return to the home position SCHP remains 0 within 1 sec after it leaves the home position SCHP 0 If the No 4 and No 5 mirrors do not reach home position after 8 sec from driving starts If the lens does not return to the home position LHP rema...

Страница 81: ...he copier when the fixing assem bly has a serious fault open thermistor or others that can damage the assembly Reset the copier as follows if E000 E001 E002 E003 or E004 is indicated 1 Detach the switch cover one screw 2 Shift the main switch SW1 to ON and continuously hold the main switch down so that the main power does not turn OFF 3 Press the service switch SW300 on the DC controller PCB once ...

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Страница 83: ... solenoid SL2 Lens movement Lens home position sensor Q6 signal Blank solenoid SL4 Mirror motor M3 Mirror home position sensor Q4 Pick up clutch solenoid SL1 Multifeeder solenoid SL3 Pre registration paper sensor Q2 signal Registration roller clutch CL1 Delivery paper sensor Q8 signal Exhaust fan FM2 Total counter CNT1 1 Varies depending on the reproduction ratio and the setting of leading edge C3...

Страница 84: ...ure lamp Fixing roller heater LA1 Primary Transfer corona assembly Developing DC component Developing AC component Scanning lamp LA2 Scanner home position sensor Q5 signal Grid bias ON OFF Scanner motor M2 Registration roller clutch CL1 Pre registration paper sensor Q2 signal Delivery paper sensor Q8 signal Exhaust fan FM2 Total counter CNT1 Multifeeder solenoid SL3 CW CCW ...

Страница 85: ...nal CSZ4 CASSETTE SIZE 4 signal DLP DELIVERY PAPER detection signal FM1D FAN MOTOR drive command 1 FM2D FAN MOTOR drive command 2 HTRD HEATER DRIVE command LAMP CHECK LAMP ON CHECK detection signal LAMP SHIFT LAMP SHIFT command LHP LENS HOME POSITION detection signal LIGHT LIGHT ON command LNSD LENS SOLENOID drive command MFPD MULITIFEEDER PAPER detection signal MFSD MULITIFEEDER SOLENOID drive si...

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Страница 87: ...1 J310 1 3 2 5 J303 3 2 1 4 4 6 5 1 2 3 J302 7 4 6 5 1 2 3 J306 5 6 J305 3 4 2 1 J318 3 2 1 6 J300 1 2 4 5 3 10 J311 6 5 4 8 9 7 2 1 3 7 8 1 2 4 5 3 6 J307 1 2 4 5 3 J313 To main switch BROWN GREY J509 PW ON OFF 24V 2 1 volume PCB indicator PCB Copy density Power VR501 L531 J10 J9 J8 J7 J6 3 GND J506 VCC KVR 1 2 Control panel J505 2 1 VON GND TP1 Insead of CCV 4 3 2 1 J504 EI 3 4 1 2 Control card ...

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Страница 89: ...g near fire IPA isopropyl alcohol FY9 6008 10g No 1 2 Name Alcohol Lubricant Uses Cleaning e g glass plastic rubber external covers Driving parts friction parts lead cam Composition Fluorine family hydrogen carbon alcohol surface activating agent Silicone oil ...

Страница 90: ...ent Development Pick up Automatic Manual Transfer Separation Drum cleaning Fixing 3 Performance Sheet Book 3 D object 2 kg A3 max 25 sec approx at 20 C 9 4 sec A4 AE ON OFF 1 1 99 copies A3 max A6 min 148x105 mm Plain paper 64 to 80 g m2 Tracing paper Colored paper Plain paper 64 to 128 g m2 Tracing paper Colored paper OHP film Label sheet Type of document Document size Wait time First copy Contin...

Страница 91: ...y Atmospheric pressure Two sided copying Overlay copying Cassette Auto clear Auto shutoff Option Multifeed tray Multifeed tray Claw Standard Universal Copy tray Plain paper 64 to 128 g m2 Colored paper Plain paper 64 to 128 g m2 Colored paper Provided 60 mm deep about 500 sheets of 80 g m2 paper Yes 100 sheets approx A4 80 g m2 2 0 1 5 mm or less 2 5 1 5 mm or less Provided 2 min standard Yes ADF ...

Страница 92: ......

Страница 93: ... PRINTED IN JAPAN IMPRIME AU JAPON Prepared by Office Imaging Products Technical Support Division Office Imaging Products Quality Assurance Center CANON INC Printed in Japan REVISION 0 APR 1999 18756 5 1 Hakusan 7 chome Toride shi Ibaraki 302 8501 Japan ...

Страница 94: ...0499AB1 01 1 PRINTED IN JAPAN IMPRIME AU JAPON This pubication is printed on 70 reprocessed paper ...

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Canon NP6317, Руководство по обслуживанию

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