Canon NP3030 Service Manual Download Page 263

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Summary of Contents for NP3030

Page 2: ...ddition they may be reduced enlarged at four fixed reproduction ratios each The copies may be as large as A3 Ledger or as small as a postcard in size further a wide variety of paper materials may be used including tracing paper and OHP The copies may be either of four colors i e red blue green or brown NP3050 only Although compact in design the copier has a duplexing unit thanks to its set back me...

Page 3: ... Indirect electrostatic Corona Slit moving light source Automatic AE or Manual Dry projection 2 cassettes 2 cassettes option or paper decks option Manual feed tray Corona Corona felectrostaticl I Cleanina 1Blade Fixing Heat roller 91OW 23OV 1 2 COPYRIGHT 0 1991CANON INC CANON NP9050flWO REVIOCT 1941PRINTED INJAPAN IMPRIME AUJAPON d ...

Page 4: ...5 or Letter 1 copy if A3 64 LDG Two sided Overlay Automatic etc from 128 5mm to 297mm in feeding direction from copy 297mm to 431 8mm in crossfeeding direction NP3050 only Manual Plain paper 64 to 128 gims Colored paper OHP film overlay onlv Postcard Cassette wi Claw Front loading 25 mm deep about 250 sheets of 80 g ma Copy tray 100 sheets approx 80 g me Non image width 2 5 1 5mm 0 1 0 06 in leadi...

Page 5: ...xxx UFC xxxxx 0 693 kW h ref only 0 168 kW h ref only 71dBorless POWER SOUNDLEVEL measurement SD 50dBorless POWER SOUNDLEVEL measurement ISQ 0 1 ppm or less 775 mm 130 5 in 665 mm 26 2 in 623 mm 24 6 in 90 kg 198 lb approx 825kg 182 lb approx Keep wrapped to protect against humidity Keep away from sunlight and keep at 4O C 85 or less Keep in box or pedestal avoid sunlight and keep at 30 C 85 or le...

Page 6: ...4mm 19 85 162 x 257mm 30 1 0 707 f 1 O A3 A4R 22 B4 t B5R 24 REDUCE 1 0 616 1 O 84 A4R 22 1 0 665 t 1 O f 84 85 1 1 414 1 0 2 A3 04 1 ENLARGE 1 1 224 C 1 O A4R 84 20 1 1 154 1 0 z A3 16 A4 24 Table 1 2 Copying Speed cDPwGtl10 198CANON INC CANON NP305013WOREV1 OCT 1991 PMED INJAPAN lMPRlME AU JMON d 1 5 ...

Page 7: ...tte Feeding Unit El Paper size Same as copier Power supply Dimensions Weight 24 VDC from copier 705 W x 576 D x 334 H mm 27 8 W x 22 3 D x 13 2 H in 34 5 kg 76 06lb including 2 cassettes G Paper Deck Pedestal D1 Paper size Power supply Dimensions A4 85 Letter 24 DC from copier 702 5 W x 575 D x 335 4 H mm 27 7 W x 22 6 D x 13 2 H in 1 Weight 1 42 kg 192 60 lb H Paper Deck Pedestal El Paper size A4...

Page 8: ...or 0 Copyboard cover Manual feed tray Power switch 8 Cassettes Figure l l 0 Feeder assembly Q Hopper release lever Right door 0 Fixing assembly Lower feeder knob assembly NP3050 only Figure I 2 COPYRIGHT 0 1991 CANON INC CANON NP3050flD30REVi AUG 1991 PAlNTEDINJAPAN IMPAIMEAUJAPON l 7 ...

Page 9: ...p J CD unit roller No 4 mirror 0 Cassette 1 pick up No 5 mirror roller Developing assembly I Registration roller black Pre transfer corona 0 Manual feed pick up assembly roller Transfer corona Vertical path roller 1 assembly Separation corona assembly Q Set back roller I Feeder assembly Cassette 1 Cassette 2 Fixing roller Delivery roller 1 Deflector plate Delivery roller 2 Figure 1 3a NP3050 l 8 C...

Page 10: ...er I Primary corona Vertical path roller 1 assembly IBlank exposure lamp Vertical path roller 2 Cassette 2 pick up roller Cassette 1 pick up roller 0 Registration roller Pre transfer corona assembly Transfer corona assembly Separation corona assembly Figure l 3b NP3030 8 Feeder assembly 8 Cassette 1 8 Cassette 2 Fixing roller Delivery roller 1 Delivery roller 2 1 m COPYAffiM 1991 CANON INC CANON N...

Page 11: ...it El i_ _ 8 0 0 Cassette 4 pick up roller I Vertical path roller 4 0 Cassette 3 pick up roller Cassette 3 0 Vertical path roller 3 Cassette 4 Figure l 4 COPVtIGHT 0 19n CANON HIC CANON NFXWflCGO REV 2 OCT 1991 PRINTED INJAM IMPRIME AU JAFON 1 9 ...

Page 12: ... Deck Pedestal El l 10 0 Pick uproller I Separation roller Feeder roller 0 Deck 0 Deck registration roller Lifter Figurel 5 COPVAlGHl 1991 CANONINC CANON NP395013fflOREY l AUG 1991 PAlNTEOlNJAPAN IMPWMEAUJAPON ...

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Page 16: ...Guide to Cohtrol Panel ction ratio selected paper size h 1copy auto pape COPVMGHT 0 15 CANON iIC CANON NR4500030 REV 2 OCT 1991 FWlED IN JAPAN tMPRIYE AU JAPON l 13 ...

Page 17: ...eck the count on the copy count indicator a If the count cannot be set or to correct a mis take press the CLEAR STOP key and start again 7 Press the COPY START key 0 The documents set on the RDF s document tray will be picked up automatically and copied 0 Copies will be made in specified numbers 0 The copy mode cannot be changed between the first and last copies all keys except the CLEAR STOP key ...

Page 18: ... be changed in the asterisk mode C Automatic Start The automatic start mode can be activated while the copier is in the wait period Place the documents set the copy mode and press the COPY START key The START indicator changes from green to orange to indicate that the automatic start mode has been activated the interrupt mode cannot be activated The copier will start making copies automati cally a...

Page 19: ... w Document automatic count NP3050 only Density correction W Corona wire cleaning l 16 Table I 3 Asterisk Mode Original size a s 2 Enter the document size using the numeric keypad and press the key Enter 100 mm for example Original size 1OOmm o s 1 3 Enter the desired copy size using the numeric keypad Enter 60 mm for example COPY size 60mm o s i 4 Press 0 key The machine computes 60 100 0 6 and s...

Page 20: ...eeder and making two sided copies of one sided documents the documents are counted without copying so the first page document will be copied on the face side if an odd number of documents are set the last page will be a one sided copy To disable this mode operate as follows 1 Press0 3 and then 0 2 Enter 0 or 1 using the numeric keypad when 0 is selected I when 1 is selected 3 Press the q key to re...

Page 21: ...r darker copies press the lighter key for lighter copies 3 Press the q key to return to the standard screen l 18 COPYMXl 0 1981 CAtIoN INC Clean Corona Wires 1 YES 2 NO l 2 2 Press the Ikey the wires will be cleaned for about 40 seconds This mdde will be cleared automatically after cleaning p e _ i s_ i The corona wires will be cbaned automati tally if ths t chitje isswitched OM while the fad p bf...

Page 22: ...f copy paper on the RDF s document tray 3 Press the q key The sheets will be picked up automatically and the RDF operates as if in the document count mode cleaning the parts The mode is cleared automatically after the cleaning operation is completed 8 Copy Mode Memory As many as three copy modes may be chosen at will and stored 1 Set a desired copy mode 2 Press the q key Store the mode eett ings M...

Page 23: ...pecification 4 2 COLOR key inside black outside Press it using the hand held pen when specifying mono the 2 color mode inside mono outside black 5 Z COLOR inside black outside Press it using the hand held pen when specifying mono the 2 color mode inside black outside mono _ 6 AREA key Press it using the hand held pen to store the specified area 7 CLEAR key Press it using the hand held pen when spe...

Page 24: ...am go through the following steps to remove the jam Figure 1 8 Regist ration roller knob Figure 1 9 2 Zone 2 fixing delivery assembly 1 Detach the delivery tray and open the delivery door H If the paper is trapped in the fixing assembly 2 Turn the fixing assembly knob counterclock wise and remove the jam Delivery door Fixing assembly knob Figure I 10 CoPVNtGHT 0 19mCANON NC CANONNP30501Jo90 REV 1 ...

Page 25: ...remove the jam Figure l 1 3 Figure l 11 l 22 4 Zone 4 1 Lift the manual tray cover and remove the jam Manual tray cover 1 c Lower feeder assembly lever G Pick up from Cassette Feeding Unit El 1 Remove the copy paper from the copier 2 Open the lower right door and remove the jam if necessary slide out the cassette right door Cassette feeding unit Figure 1 12 Figure I 14 C X VNIGHT 0 199i CANON INC ...

Page 26: ...e left deck out and to the front and remove the jam Left er right door Grip Figure1 15 3 Slide the right deck out and to the front and remove the jam Figure 1 17 5 Slide the left feeder assembly out and to the front open the upper guide and remove the jam I Left feeder assembly Figure1 18 Figure l 1 6 Upper guide I Figure 1 l 9 cof 9NVO 189CANONINC CANON NP3050flfflOREV2OCl 1991 PAlNlEDINJAPAN HlP...

Page 27: ... from the copier 2 Open the side door Figure l 20 3 Lift the metal plate and remove the jam Figure 1 21 4 Pull the paper deck out until it stops and remove the jam Figure 1 22 1 24 COPVAffiHTO 1991 CANONINC CANONNPXWU3OREV lAUG 1991 PlUNlEOINJAPAN IMPRIMEAUJAPON ...

Page 28: ...ure 1 23 2 Remove the paper from its package and turn the paper upside after removing it from the package Figure l 24 3 Place the paper on the lifting plate of the cas sette push down on the leading edge of the paper lightly so that it fits under the claws front and rear Claw Figure 1 25 COPvNtsHlO 1991 CANONK CANUN NP3WU30 UEy 1 OCT 1991 PAINTEU IN JAPAN IMPfUME AU JAPUN 1 25 ...

Page 29: ...e it to the front as far as possible Figure l 26 2 Open the package and take out the paper see Figure l 27 1 26 Figure 1 27 3 Set the paper in the deck see Figure1 28 Figure 1 28 4 Set the deck in the machine CDPYPJGHTO 1991 CANON NC CANDN NPW3WREV l OCT 1991 PFI NTED WPAN 4WM4lEAUJAFON ...

Page 30: ... deck and slide out it to the front as far as possible Figure 1 29 2 Open the package and take out the paper Figure 140 3 Set the paper in the deck Figure 1 31 COPVRlGHT 1991 CAMON INC CANON NP3050 3930 REV 0 AUG 1991 PRINTEO IN JAPAN IMPRIME AU JAPON 1 27 ...

Page 31: ...re 1 33 4 Hold the toner cartridge so that the arrow on its top faces up After fitting the protrusion on the cartridge end into the hopper bring the cartridge into level contact with the hopper with the bosses on both right and left slide fitting into the cut outs of the hopper n The toner cartridge will be locked and the hopper grip springs out Hopper grip 5 Hold and slide out hopper grip n Some ...

Page 32: ...opper into the copier 11 Close the front door 2 Color toner This message is displayed when the color toner is running low Identify the color of the toner and operate as follows 1 Open the machine s front door 2 Swing open hopper to the front 3 Hold the grip and slide out the CD unit CD unit Figure l 38 4 Open the toner supply mouth cover of the CD unit 5 Check the new toner cartridge to make sure ...

Page 33: ...Figure 1 39 7 Tap on the top of the toner cartridge until all toner is moved to the hopper unit 8 Hold the toner cartridge and detach it slowly 9 Close the toner supply mouth cover and lock it IO Set the CD unit in the copier l 30 COPYRIGHT 1991 CANONINC CANON NP30501J030REV 1 AUG 1991 PRlNTEDD1JAPlVl IHPRIMEAUJAPON ...

Page 34: ...th water then dry wipe it 2 Copyboard Cover Wipe it using mild detergent then dry wipe it Advise the user to clean the following if an image problem is noted j 3 Primary Corona Wire and Transfer Separation Corona Wire Enter the asterisk mode and execute corona wire cleaning COPYRIGHT 0 lggl CANON INC CANON NPjOSOflWO tlEV 2 OCT 1901 PRINTED IN JAPAN IYPAIME AUJAPON l 31 ...

Page 35: ...electrophotographic process see figure 2 i Copyboard _ _ i Lowe fixing Copypaper I Figure 2 1 Electrostatic Latent Image Formation Block _ flow of copy paper f rotation of drum Figure 2 2 CWVMGNT 0 1991 CANON INC CANON NP S0tW0REV 2OCT l9il PRmTEDINJAWN IMPRlMEAUJAJAWN 2 i ...

Page 36: ...6 Electrostatic Latent Image Formation Block This block consists of three steps through which the negative charges in the areas of the drum surface corresponding to the dark areas of the document are left as they are while those corresponding to the light areas of the document are rid of the negative charges thereby forming an electrostatic image on the drum surface These electrostatic images on t...

Page 37: ...rum surface to neutralize the charges in the light areas D Step 2 Primary Corona Exposure Figure 2 6 Primary corona exposure charges the drum surface to a uniform negative potential A bias is applied to the grid to maintain the surface potential of the drum at a constant value At the same time a voltage identical to the grid bias is applied to the shield plate to increase the charging effiiiency o...

Page 38: ...comes8vinually immobile because of its strong attraction to the blade The toner is then deposited on the cylinder in a thin even layer An AC bias and a DC bias negative component are simultaneously applied to the developing cylinder and the blade and since the negative component is greater than the positive component at any given time they provide a developing bias Figure 2 10 During copying opera...

Page 39: ...H Step 6 Transfer Figure 2 12 A negative corona charge is applied to the back of the copy paper causing the toner on the drum to move to the copy paper Copy paper coming out of the fixing assembly is dry and has a high resistance For this reason in the automatic two sided or overlay copying mode the use of the transfer corona output applied to the first side of copy paper on the second side would ...

Page 40: ...em the positive DC component of the separation corona output for the second side is made lower than that for the first side 2 6 COPVfllGtll 0 Ml CANONINC J Step 8 Fixing Cleaning belt Lower roller Figure 2 14 After transfer the copy paper is moved through a pair of heat rollers during which the toner image is fused into the fibers of the paper To prevent jams and toner offset the upper fixing roll...

Page 41: ...f the drum surface in preparation for the next copy run ensuring reproduction of crisp images The toner scraped by the cleaning blade is moved to the front by the cleaning screw for collection inside the drum COPVRlGtlTO 1991 CANONW CANON NP305013030REV 0 AUG 1991PRINTED INJAPAN IMPRIME AU JAPON 2 7 ...

Page 42: ...g in the corona assemblies C Static Eliminator The outlet from the delivery assembly is equipped with a static eliminator consisting of a grounded brush to remove the residual charges D Blank Exposure Lamp The blank exposure lamp LEDs goes ON when the drum is rotating and the scanner is moving forward without exposing the document this is to eliminate the charges in the non image areas of the drum...

Page 43: ...tion The machine can be divided into four functional blocks i e pick up feederSystem exposure System image formation system and control system r_ __ __ _ ___ _ Figure 3 1 COPVRIGHTO 1991 CANON INC CANON NP305013WO REV 1 AUG 1491 PRINIEO INJAPAN IMPRIME AU JAPON 3 1 ...

Page 44: ...ICs on the DC controller are as follows ICS Q166 Q163 I O port Q159 gate array Outputs clock pulses to CPU Expands CPU ports Outputs clock pulses to lamp regulator HVT Q135 PC Handles communication with RDF sorter and editor serial Q241 PLL IC Controls the main motor Q150 SRAM Serves as expansion memory Q161 EPROM Serves as memory for program Q167 RESET IC Resets the machine at power on Resets the...

Page 45: ... Master CPU Q166 Slave CPU Loads i3l3lk exposure1 Primary corona assembly Transfer Separation corona assembly Fixing bias Pre transfer corona assembly q i Fixing heater 0158 Figure 3 2 CDWR Xl 0 lsglCAHON INC CANDN NP3WlflfflO REV2 OCT 1991 PRINTED IN JAPAN IYPRNE AD JAPDN 3 3 ...

Page 46: ...per sensor When PSI detects paper 1 5V When PS2 detects paper 1 5v When black developing assembly is engaged 1 I sensor _ PS5 Delivery assembly paper sensor When lens is at home position 1 12v When scanner is at home position 1 5v When PS 6 detects paper 0 Figure 3 3 A 3 4 CGPYGIGHT 0 1941CANONMC CANON NP3Otim REM NG 1991 PRJNTEDY JAJAN WilMEAU JApOtlf ...

Page 47: ...J 05 t m z Right door open closed SenSOr When PS7 detects paper 0 When PS8 detects paper 0 When paper is present in cassette 1 1 When paper is present in cassette 2 1 When paper is present in manual feed assembly 0 When drum unit becomes full of waste toner 0 When right door is closed 0 I Figure3 3 B I CGPVRIGHT 0 19Gi CLNON RC CANON NF305013G30 AEVd AUG 1991 PRlNTEOINJAP IMPRIHEAUJAPON 3 5 ...

Page 48: ...d 0 When wire cleaner is at home position 0 When wire cleaner is at rear 0 When wire cleaner is at home position 0 When wire cleaner is at rear 0 Reads cassette size 24 l Executes AE measurement sv When toner inside black developing assembly falls below specific level 0 Whensurface temperature of fixing roller rises voltage lower analog signal 3 6 COPVAfGltT 1991CANON INC CANON NP3050flWO REM AUG ...

Page 49: ...nly Ji 04 85 4 B2 B4 OLED 1 DShZE2 h A 0LE 12v 24V 12v 24V 12v 24V 12v 24V Document size identification Q586 ATR 2 Color toner concentration sensor LA851 NP3050 only Control panel m Figure 3 5 CoPYRIGHT 1991CANONINC CANON NFW013030 REV 1 AUG 1991PAINlED INJAPAN IMPRIYE AUJAPON 3 7 I ...

Page 50: ... SSR Drum heater J78 1 J113 A6 _ 1oov others 2 A5 Fixing heater DSl Door switch Figure 6 3 8 COPVflGHl 0 1991 CANON INC DC controller _ 12v ov 24VR OVR 24Vu ovu 5v ov f 24V HMD When 0 LRD hopper motor goes ON LiNT LAON SRER 27 HTRMD When 1 fixing heat goes ON t PWOFF When 0 AC loads go OFF CANON NPJ050R030 REV 2 OCT 1941 PRMTED IN JARN INFWME AU JAKIN ...

Page 51: ...r x L f 24V 1 I 35v J602 A9 J103 A3 FG See p 3 I 2 24V 2 J602 Bl J103 811 mP I J602 A3 Ji 03 89 A4 A8 A5 A7 A6 A6 A7 A5 A8 A4 See p 3 I 9 83 B9 84 88 85 87 B6 B6 Motor driver J77 1 __mb J104 Ai LNA A2 LNA A3 LNSTB Alternates between A4 LNB 0 and 1 while PM2 is rotating A5 LNB 1E LNSTB Figure 3 7 C0PVRlGtlTTO 1991 CANON INC CANON NP305013WOREV 1 AUG 1991 PRINTEU INJAPAN IMPRIME AU JAFQN 3 9 ...

Page 52: ...0 and 1 4 24V while PM5 is rotating Feeder fan clutch NP3050 only Registration roller clutch Vertical path roller clutch 1 Vertical path roller clutch 2 When I cleaner rotates forward When 1 cleaner rotates in reverse When 1 cleaner rotates forward When I cleaner rotates in reverse When 0 feeder fan goes ON When I CL1 goes ON When 0 CL2 goes ON When I CL3 goes ON When o CL4 goes ON Figure 3 8 3 10...

Page 53: ...SL4 goes ON DC controller When I SL3 goes ON Cassette pick up solenoid 2 m3 L When O SL6 goes ON Set back flapper solenoid NP3050 only Pre exposure lamp Blank exposure lamp See p 3 42 Black copy counter 1 When o CTNl goes ON See p 3 27 J202 3 1J20 J101 15 E When card is present 0 Figure 3 9 COT VRlGlil 0 l l CANON INC CANON NFWWO30 REV 2 OCT 1991 PRINTED IN JAWN IMPRIME AU JAPUN 3 11 ...

Page 54: ...e main motor has a built in FG frequency generator circuit which generates clock pulses of a frequency suited to the revolution of the motor The main motor is controlled to rotate at a constant speed regardless of the selected reproduction ratio by feeding these clock pulses FG signal to PLLIC Q241 DC controller J103 Bll MMDP Y JlO A3 7 Motor driver r I i J603 1 I FG circuit Figure 3 10 3 12 CDPvN...

Page 55: ...the main motor is applied is varied The fluctuation in the speed of the main motor is corrected c Protection Against Excessive Current Flow If excessive current flow occurs in the motor at time of MOTORON or MOTORLOCK the following sequence takes place r v The input current AL to the limiter circuit I exceeds 4 8 A 0 2604 goes OFF in response to the output from the limiter circuit 0 The applicatio...

Page 56: ... and thf selected reproduction ratio The soeed at whit the Scam e moves foward differs depending on selected reproduction ratio Waits until fixing roller heats Fixing beater is ON I Evens out tfv3 temperature of the fixing roller Stabilizes the sensitivity of the drum in preparation for copying operation Moves the scanner forward Only when in the AE mode about 70 mm for measuring the density of Ih...

Page 57: ...face Discharges the linal copy last rotation has moved past the delivery electrostatically paper sensor after SCRV until about 0 8 sy 3 passed STBY From when LSTR and Waits for the COPY START standby WMUPR are over until the key to be pressed or for COPY START key is pressed or the the machine any key operation is switched OFF L Table 3 1 b COPVli GtiV 0 Wl CANON MC CANON NPKt50flNO REV 1 OCT 1Dgf...

Page 58: ... Focal distance 0 0 I REDUCE Oorn tens The reproduction ratio around the drum cir cumferential is varied by changing the relative speed of the forward movement of the scanner and the rotation speed of the photosensitive drum image formation speed by the scanner drive system The drum rotation speed remains unchanged therefore the copies are reduced when the for ward scanner spend is increased and e...

Page 59: ...ific number of pulses has been generated after the signal To move the lens to an ENLARGE position from REDUCE to DIRECT for example the motor first rotates in reverse moving the lens past the position for the selected reproduction ratio thereafter the motor rotates forward to stop the lens to the specified position In other words the correct positioning of the lens is ensured using forward rotatio...

Page 60: ...ng in response to pukes applied to each phase in sequence A 5V voltage is ap ed to the lens motor when it is at rest to prevent displacement of the lens a Lens Motor at Rest The motor is stopped and the position of the lens is retained by causing LNA LNA LNB and LNB to go 0 DC controller 24V 5V ti T I J104 A3 LNSTB Figure 3 15 Lens motor _ 3 18 COPYRIGHT 0 1991 CANON INC CANON NFW13WO REV 1 OCT 19...

Page 61: ...io around the drum The speed of the reverse movement of the scanner is constant regardless of the selected reproduction ratio it is about three times that of the forward movement The position of the scanner is identified with reference to the scanner position sensor PS5 The distance over which the scanner moves is varied depending on the size of copy paper and the reproduction ratio COPYRIGHT 1991...

Page 62: ...e scanner as follows 2 The scanner is reversed and moved in reverse when the signal plate has moved 70 mm after it left PS5 front rear Figure 3 18 3 The scanner is moved in reverse an additional 26 mm from SCPD f and is stopped scanner home position Reverse I SCPD f Scanner home position I Figure 3 19 3 20 COPWGM 0 19Ol CANON INC CANON NP3050RWO REV 1 OCT 1991 WINTED IN JAPAN IMFiiiYE AU JAW ...

Page 63: ...later the registration clutch goes ON This may be changed in the service mode Figure 3 21 c Identifying the Position for AE Scanning 1 The scanner is moved forward farther than the leading edge of the document Leading edge of document c7 Forward Figure 3 22 L 2 The point represented after a forward move ment of 70 mm is used as the position for AE scanning AE measurement position Figure 3 23 a I C...

Page 64: ...3 Basic Sequence scanner Figure3 24 3 22 COPYRIGHTO 1991 CANONINC CANON NP3050 3030REV O AUG 1991 PRlNTEDINJAPAN IMPRIMEAUJAWN ...

Page 65: ...nce over which the scanner moves from the leading edge of the document depends on the cassette size as in normal copying operations II The same as 1 however if the distance over which the scanner moves forward is 210 mm 100 23OV 216 mm 115V or more 210 mm 216 mm will be identified as the leading edge of the 2nd page If the distance is 210 mm 216 mm or less the point at which the scanner is reverse...

Page 66: ...en the copyboard cover is brought down the DC controller measures the outputs of the document sensor circuits and the measurements are used to identify the size of the document as being A3 84 A4 or B5 standard sizes These document sensor circuits cause LEDs to emit light against the document and the reflected light is monitored by phototransistors whose outputs are sent to the DC controller I A gi...

Page 67: ...is constant regardless of the angle of the copyboard cover If no document is present over the sensor on the other hand the output of the sensor immedi ately after MS4 has gone ON is low when the copyboard cover is closed completely causing the light reflected by the copyboard sheet to be direct ed to the sensor circuit the output increases As described the absence of changes in the output of the s...

Page 68: ...based on the combination of the states of document sensor signals DSIZEO through 2 0 0 1 A4R 1 1 0 A4 n 0 Document absent 1 Document present W B5R if none of the sensors detects document Table 3 2 3 26 COPVAIGHTO 1991 CANONINC CANON NP305013WO REV 0 AUG 1991 PRINTED IN JAPAN IMPRIME AU JAPON d ...

Page 69: ...owing functions Controls the intensity of the scanning lamp Controls the blank exposure lamp Controls the primary transfer corona current Controls the pre transfer separation corona current Controls the developing bias AEsensor 1 Control signal output r Figure 3 29 COPYRIGHT 1991 CANONINC CANONNP305013030 REV 1 AUG 1991 PRINTED IN JAPAN IMPRIME AU JAPON 3 27 ...

Page 70: ...amp I 5 Scanning lamp a Primaryflransfer corona v assembly 8 SeparationlPre transfer corona assembly Developing bias AC compo ent black Developing bias AC component color Developing bias DC component Blank exposure lamp 11 WMUPR STBY INTR SCFW SCRV SCFW SCRV LSTR STBY md ON inAE mode Executes ON control to suit reproduction ratio copy papersize ...

Page 71: ...the scanning lamp which has the following functions 0 Turns the scanning lamp ON and OFF Controls the intensity of the scanning lamp Checks for faults in the scanning lamp Cl 68 PWOFF 1 1 I La k COPVR GtlT 1991 CANON INC CANON NP305013r 30 REV 0 AUG 1991 PRINTED NJAPAN IMPRIME AU JAPON Figure 3 31 Scannin lamp L 1 2 Thermal fuse Ful 3 29 ...

Page 72: ...rigger pulses suited to the level of the LINT sig nal is sent to the triac Tl The AC power supply to the scanning lamp IS c Detecting Faults When the scanning lamp is ON it is moni tored by the lamp ON signal LAON If the scanning lamp remains ON for 1 second or more despite LRD O PWOFF i is generated by the I O IC Q168 causing SW1 to go OFF this condition cuts the AC voltage supply to the scanning...

Page 73: ...llows in the AE mode The COPY START key is pressed __ The scanning lamp goes ON When the intensity of the scanning lamp has sta bilized the scanner moves forward to the AE position about 96 mm past the home position value and sends the result to the lamp regulator 1 DC controller I The scanning lamp goes ON at the optimum intensity to expose the document Figure 3 32 U a0 A represents the coverage ...

Page 74: ...photodiode Q751 is sent to the DC controller as AEDATA 7 to 10 V The DC controller computes the optimum intensi based on the input value and sends the result to DC controller 3 32 AE sensor Light reflected by document AEDATA J102 89 68 Figure 3 34 6 II 1 i LINT J110 84c COPVRlGtlTQ 1991 CANON INC CANON NP395013WO REY 0 AUG 1991 PGINTEO IN MAN IMPRISE AU JAPON ...

Page 75: ...e causing the copy to be lighter W If the setting is decreased in the service mode the intensity during copying operation will decrease causing the copy to be darker effeffe in both AE and AE_SLOP Test Chart News Document paper density If the setting is increased in the service mode copies of a newspaper will be lighter If the setting is decreasec in the service mode copies of a newspaper will be ...

Page 76: ...ed in the service mode the 0 IuI intensity at copy density 6 or lower will be increased 9 _ If the setting is increased in the service mode the 0 COPY intensity at copy density 6 or lower will be 1 6 9 density decreased If the sening is increased in the service mode the intensity at copy density 6 or higher will be increased If the setting is decrease in the service mode th intensity at copy densi...

Page 77: ...corona current Controls the grid bias of the primary corona assembly I the following functions DC controller High voltage transformer A bias identical to that applied to the grid wire is applied to the shield plate of the primary core na assembly to limit soiling of the primary corona HVPR 105 64 J 3 HVTR 105 J1 4 65 HVGB I105 Ji 9 910 wire Limit Y circuit 24v w Figure 3 35 Transler corona wire Gr...

Page 78: ...ase to maintain a specific current level If the corona current is greater than a specific level from the transfer corona assembly the varistors Di6 D17 go ON sending signals to the limiter circuit to control the highvoltage output 3 36 COPVWGHT 0 lS9l CANON RC c Controlling the Transfer Corona Current Making two sided or overlay copies caus es the resistance of copy paper to vary necessitating var...

Page 79: ...he circuit has the following functions Turns the separationipre transfer corona cur rent ON and OFF Maintains the separation pre transfer corona current constant Varies the separation corona current r L LHVAC c 6 l O TJIOZ AII High voltage transformer Figure 3 36 COPVFI GHTO 1991 CANONINC CANONNPWWJ REV 1 AUG 1991 PRlMEDINJAPAN IHPRIMEAUJAPON 3 37 ...

Page 80: ...high voltage primary output the current is controlled to a constant level based on the level of the feedback signal from the transformer c Controlling the Separation Corona Current When two sided or overlay copies are made the resistance of copy paper varies as such the corona current is controlled by the separation corona level control signal HVSP generated by the DC controller The high voltage A...

Page 81: ...l HVBDC bias control circuit the circuit has the following functions Turns the developing bias AC component ON and OFF Turns the developing bias DC component ON and OFF Controls the voltage level of the developing bias DC component DC controller High voltage transformer _ ___ _ 777 Figure 3 37 3 2 I color 7 L 7 Developing cylinder black COPVRIGHTO 1981 CANONINC CANON NP305013030 REV 0 AUG 1991 PRI...

Page 82: ... high voltage transformer 12 for the DC bias is driven and a DC bias is generated b Controlling the Voltage Level of the DC Bias The level of the DC bias is varied to suit the setting in the service mode and user mode The duty ratio of the pulse output generated by the gate array Ql59 in the DC controller changes The level of HVBDC changes The output duty ratio of the PWM circuit The output from t...

Page 83: ...g is decreasec in the service mode tht DC component of the developing bias during 1 5 9 black copying operation will be decreased causing COPY DENSITY the copy to be darker CORRECTION key lH Developing Developing bias If the setting is increased 3lAS_C bias DC component in the sewice mode the DC component DC component of the color copy 500 developing bias during NP3050 only color copying operation...

Page 84: ...are kept ON or OFF depending on the selected copy size and copy modes The two LEDs sharp cut each at both ends are controlled by a static method and kept ON while the drum is rotating All other LEDs are arranged in a matrix and are controlled by a dynamic method While the drum is rotating and the document is not exposed all 124 LEDs of the blank expo sure lamp remain ON DC controllet __ c Figure 3...

Page 85: ...LEDs in numbers suited to the cassette size are kept ON to eliminate charges on the portion of the drum not in contact with the copy paper When using a fixed reproduction ratio or when using a standard size sheet in the DIRECT mode a non image area with a width of about 2 0 mm is created at the rear and the front of the image Control when in Frame Erasing Mode LEDs are keep ON so that a non image ...

Page 86: ...s Figure 3 41 To make a copy in which C E and G of the document shown in Figure 3 40 A are black and the remaining area in red using image conversion the overlay mode is used so that the document is exposed twice for a single copy During the first exposure of the document LEDs corresponding to the shaded areas on the copy shown in Figure 3 41 are turned ON and black development is executed During ...

Page 87: ...m gears are used to transmit the drive The waste toner scraped by the cleaning blade is forwarded for collection inside the photo sensitive drum developing assembly lock clutch When the black developing assembly or the CD unit is engaged the other remains disen gaged Gear CD unit NP3050 only Waste toner overflow sensor signal WSTOF J105Bl Figure 3 43 COPYRIGHT 1991 CANONINC CANONNP3050 3030REV l A...

Page 88: ...t of the sensor to go I Ei AMP lnzz Piezoeletric oscillator Figure 3 45 2 5 set thereafter the hopper motor starts to rotate causing toner to move from the hopper assembly to the black developing assembly 0 The output of the toner sensor BTEP goes 1 0 1 Oset thereafter the hopper motor stops The detection mechanism is used only for black copies and triggered when the main motor goes ON POWER switc...

Page 89: ...econds afier BTET i 0 The next copying run is started with BTET O the hopper motor starts to rotate b seconds after the copying run is started and when a b 60 set the hopper motor stops warning message is indicated on the control Figure 3 47 To resume copying after the ADD TONER message is indicated open the machine s front door supply toner and then close the front door CCPVRffiHT 0 IS41 CANON IW...

Page 90: ...todiode Developing cylinder Figure 3 48 3 48 COPYMGHTO 1991 CA WCC The type color of the CD unit is identified basedSonthe state of the toner color signals sent by the color toner concentration sensor circuit to the DC controller see Table 3 5 During installation of the CD unit cut the jumper wires JP851 through JP853 on the color toner concentration sensor circuit to suit the type color of the CD...

Page 91: ...re compared to measure the concentration of the toner This method enables detection of the toner concentration independent of the fluctuations in the lamp intensity As color toner is consumed the toner concentra tion decreases 0 The reflected light decreases causing the output of the operation amplifier a851 2 to decrease 0 The levels of VA through AD decreases _ is ___ __ When Vref VC C CTEPl O i...

Page 92: ...er Toner with an optimum concentration is deposit ed on the developing cylinder il Starter _ The output voltage VA through VD by the reflected light assumes a level compatible with the optimum concentration 0 W The serviceman adjusts VR851 coarse VR852 fine VB Vref VD 3 50 COPYRIGHTO 1991 CANON INC CANON NP9050i9fflO REV 0 AUG 1991 PAINTED IN JAPAN IMPRIHE AU JAPON ...

Page 93: ... the cylinder assembly CTEPI output when a small amount of toner has been used copying resumes immedi ately after the supply operation CTEP2 output when a large amount of toner has been used since a large amount of toner is supplied idle rotation is execut ed for four seconds to mix the toner and the carrier olor toner supply solenoid w Cylinder assembly Hopper assembly Figure 3 50 COPVMGttT 0 199...

Page 94: ...ignal 1 for 2 set or more the copying operation is stopped for toner sup ply operation copying operation resumes when toner out signal goes OFF iii With output of the toner out signal for 60 set or more the condition is identified as the absence of toner in the hopper assembly and the ADD TONER message is indicated Figure 3 51 3 52 copvMGNl01691 CANONINC CANON NP305013W0AEV l OCT 1091 PW EDINJIPIN...

Page 95: ...condition will be identified as the absence of toner inside the CD unit and v i r resumed COPY 1 CTSR COPY COPY 1 CTSR Sm 4 Detection Toner out signal 1 Toner out signal 2 Color toner supplysolenoid SL3 ADD TONER message 4 set Figure 3 52 To resume copying after the ADD TONER message is indicated open the machine s front door sup ply toner and then close the front door COPVAIGHTO 1991 CANON INC CA...

Page 96: ...ransmission of drive When the inside of the photosensitive drum and the pipe becomes full of toner the rotation of the feedsdrew starts to drag pushing up the cou pling and cutting off the drive to the feedscrew and at the same time the lever presses the microswitch The display indicates the DISPOSE OF TONER message advise the user to place a service call when this message appears Wastetoner senso...

Page 97: ...ome position sensor signal does not go 1 after 40 seconds or more the condition is identified as a cleaning fault and a warning message is indicated service mode 2 Cleaning the Primary Corona Wire automatic If the temperature of the fixing roller is 100 C or less when the machine is switched ON the cleaner drive motor M3 rotates forward to move the cleaner forward After rotating foward for 20 seco...

Page 98: ...ire of the transfer separation corona assembly Like that of the primary corona wire the cleaning motor the cleaner home position sensor and the cleaner rear sensor are used to drive and monitor the cleaner Cleaner rear position sensor MS Transfer Separation corona assembly home sensor Figure 3 55 Automatic Cleaning Mechanism for Transfer Sepasation Corona Assembly 3 56 COPYRIGHT 0 1991 CANON INC C...

Page 99: ... up feeder system The set back roller and delivery roller 2 are driven independently by stepping motors and the rollers rotate in two directions M2 Main motor PM3 Delivery feeder motor PM4 Horizontal rqlstration drive motor PM5 Set back roller drive motor CL1 CL4 Roller drive clutch SL4 SL6 Roller drive solenoid SL7 Separation flapper solenoid 0 Vertical path roller 1 8 Vertical path roller 2 Figu...

Page 100: ... the passage of copy paper checked by photointerrupters PS9 PSIO Delivery eensor PS6 Preregistration sensor PS2 620 I Cassetl 1 pap sense PS9 Q I II Cassette 2 paper sensor PS10 _ 3 58 DC controller Figure 3 57 COPVRIGHTO 1991 CANONINC CANONNP3050l3WO REV 1 AUG 1991 PRINTED IN JAPAN IMPRIHE AU JAWN ...

Page 101: ... time decides when to reverse the scanner and how to control the blank exposure mechanism CST 3 6 right 0 1 0 No cassette 0 0 _ KPX257 0 0 U L2 203 220X31 7 354 0 0 A4 0 0 210X297 05R 0 1 257X1 62 84 0 1 364X257 A4R 297X21 0 0 1 A3 0 1 420X297 u s1 I 190 279X190 279 1 0 u s2 190 279X190 279 1 0 0 SW isOFF 1 SW is ON Size may be stored if within thedimensions shown in thetable 0 i 0 0 4 0 I 1 0 1 0...

Page 102: ...e 1 or 2 Each of the rollers are rotated by drive transmit ted by the clutch and the solenoid Photosensitive drum 3 60 COPYRIGHT 1991 CANONINC I_ _ _ Cassette1 Vertical path Cassette 2 Figure 3 58 roller 1 roller 2 CANONNP305013WOREV O AUG 1991 PRINTEDMJ AN IU I EAU JArW ...

Page 103: ...tor Vertical path roller 1 Pre registration paper sensor Varies depending on the size of paper Figure 3 59 3 Pick Up from Cassette 2 A4 2 copies COPYSTARTkey Loef t z Leadingedge ON of document Verticalroller1 Figure 3 60 NlPVRGHl 0 1891 CANON WC CANON NP305OfltM REV 2 OCT 1991 PRINTED IN JABIN IUPRUIE AU JAPON 3 61 ...

Page 104: ...p roller rotates as soon as the manual feed pick up sensor PSII detects copy paper Photosensitive drum Pre registration paper sensor PS2 anua feed pick up roller Figure 3 61 Copy paper inserted Leadingedge of document detected SCFW SCRV LSTR STBY Manualfeed pick up Pre registration __ 3 62 XPVNlGHT 1991CANON INC Figure 3 62 CANON NPS05013WO REV 0 AUG 1991PRINTED INJAPAN IMPRIME AUJAPON ...

Page 105: ... entity with gear B The rotation of gear C is used to move the registration roller sidewavs see Fiaure 3 63 to form an arch This is to correct variations in The edge of c y paper is detected by the pick up roller timing and to minimize skew horizontal registration paper edge sensor PSI The registration rollers are moved horizotal to align the copy paper to the developed image on the drum COPYRIGHT...

Page 106: ...nsor PSI II Detection may not occur depending on the position of the paper front rear Figure 3 64 a Initial Operation The registration roller is moved to the rear thereby butting the roller against the stop front rear e The roller is moved to the front 5 1 mm from the stop This will be used as the home position Figure 3 65 3 64 COPVRffiHTO 1991 CANONINC CANON NF3050flWOREV 1AUG 1991 PRINTEDINJAPAN...

Page 107: ... Front Affer Setting Figure 3 68 Figure 3 66 c Home Operation The registration roller is returned to the home position If no paper is over the sensoi the registra tion roller is moved to the front and then after the sensor has gone ON it moves tothe rear the position at which the paper moves past the sensor will be used as the setting oosition Before Setting Figure 3 67 COPVFPGHT 0 WI CANON INC CA...

Page 108: ...t the lower feeder assembly outlet roller and waits for copying on its second side to begin Forthe operation of the paper deflector plate see p 3 83 Copying on 1st Side 1 Delivery sensor paper deflector elate i Fixing roller Reaistratinn rnlh inlet roller Set back rolleis forward Lower feeder assembly outlet roller ICopying on 2nd Side 1 3 66 Figure 3 69 COPYRIGHT 0 1991 CANON INC CANON NM 3030 RE...

Page 109: ...rlay I COPY START key COPY START key Leading edge ON 15 side P j SCR I LSTR 1 SCRV LSTR j STBY I Lower feeder assembly outlet roller Figure 3 70 COPVRIGHTO 1941 CANONINC CANON NP3Q50i3030REV 0 AUG 1991 PRINTED INJAPAN IMPRIME AU JAPON 3 67 ...

Page 110: ...orwarding the copy paper to the lower feeder assembly The copy paper then moves ahead and stops after it has moved several millimeters past the lower feeder outlet roller to wait for copying on the second side ICopying on 1st Side 1 Delivery sensor I P Fixing roller Paper deflector plate Registration roller ni I Pre registration roller sensor Lower feeder assembly Set backrollers Lower feeder asse...

Page 111: ... i OPERATION AND TlMlNGl Figure 3 72 2 Sequence of Operations 1 copy two sided Figure 3 73 COPYRIGHT 0 19 CANONINC CANONNP30501W REV 0 AUG 1991PRINTED INJAPAN IMPRIME AU JAFON 3 69 ...

Page 112: ...s a mechanism in which sheets of copy paper are stacked up in the form of tiles in the lower feeder assembly there by eliminating double feeding within a limited space The separation flapper in the outlet of the lower feeder assembly helps increase the size of the stack and at the same time prevents trans fer of toner from one copy to another when sheetsarepickedupfor asecondtime Solenoid link wer...

Page 113: ...t roller are driven by the main motor the set back roller on the other hand is driven by a special stepping motor PM5 The separation flapper is driven by a solenoid SL7 Figure 3 75 Lowerieederassembly inlet papersensor Set back 1 2 Figure 3 76 COPYRIGHT 1991 CANONINC CANONNP305013030 REV 0 AUG 1991 PRINTED IN JAPAN IMPRIYE AU JAPDN 3 71 ...

Page 114: ...oller Figure 3 77 2 The teading edge of the paper butts against set back roller 1 and forms an arc Figure 3 78 3 The separation flapper lowers and at the same time set back rollers 1 and 2 rotate forward moving the paper to the lower feeder assembly outlet and pulling out the paper from the lower feeder assem bly inlet Figure 3 79 3 72 COPYRIGHT 0 1991 CANON INC CANON NP399013030 REV 0 AUG 1991 PR...

Page 115: ... set back roller I Figure 3 80 5 The 2nd page is fed to the lower feeder assembly Figure 3 81 6 The 2nd page butts against set back roller 1 causing the leading edge of the paper to form an arc i r Set back roller 1 Figure 3 82 COPYRIGHT 1991 CANONINC CANON NFW013030 REV 0 AUG 1991 PRINTED IN JAPAN IMPRIME AU JAPDN 3 73 ...

Page 116: ... outlet 0mm 8mm Figure 3 54 9 Operations from 5 to 8 are repeated for the specified copy count and sheets are stacked in the lower feeder assembly 10 When the specified number of sheets have been stacked set back rollers 1 and 2 rotate forward rollers 1and 2 stop after the leading edge of the 1st page reaches the lower feeder assembly outlet sensor Set back rollers 1 2 Lower feeder assembly Figure...

Page 117: ... the 1st page to stop in front of the lower feeder assembly outlet sensor and at the same time raising the separation flapper Set bacyollers 1 2 Lower feeder outlet sensor PS6 Figure 3 66 COPYRIGHT 19 CANONINC CANONNP905013030REY i AUG 1991 PRlNTEDINJAPAH IMPRIMEAUJAPON 3 75 ...

Page 118: ... is equipped with a flapper at the lower feeder assembly outlet to improve separa tion of stacked sheets COPY START key Leading edge ON 2nd side Leading edge of document of document D V INTR 1 I SCR I V SCFW SCFW 1 SCR I I Set back roller 1 2 Figure 3 87 3 76 COPVfAGHT0 1991 CANONINC CANON NF3050 3030 REV 0 AUG 1991 PRINTEDINJAPAN IMPRIMEAUJAPON ...

Page 119: ...e 1st page at the lower feeder outlet paper sensor the set back rollers and the lower feeder assembly outlet roller stop and the separation flapper lowers Lower feeder outlet paper sensor Figure3 89 3 The set back rollers and the lower feeder outlet roller rotate forward once again and the 1st page and the 2nd page are separated by the separation flapper Figure 3 90 CGPVRlGtll 0 1991 CANON INC CAN...

Page 120: ... time the separation flapper moves up Figure 3 91 5 After the preregistration paper sensor has gone ON the set back rollers and the lower feeder outlet roller rotate forward to feed the second sheet Pre registration paper sensor ii i Figure 3 92 3 78 COPYRIGHT 0 1991 CANON INC CANON Nl JOSOflWO REV 1 OCT 1991 PRINTED IN JAPAN IMPRIME AU JAWN ...

Page 121: ...tor THl cessor on the DC controller controls the state of the fixing heater drive signal HTRD 1 or 0 so that the surface of the upper roller will remain at a specific temperature during copying operation controlled to 180 during preheat controlled to 180 Fixing assembly surface temperature is high Thermistor THI resistance is low Fixing roller surface temperature sensor signal FRST voltage is low ...

Page 122: ...ing assembly monitor circuit monitors the output of the thermistor and if the tem perature remains 230 for three seconds or more turns the main switch OFF A The fixing assembly monitor circuit monitors SRER and if SRER is present for 3 seconds or more when HTRU is O turns the main switch OFF 1 when the secondary side of SSR is ON 3 80 COPVAffittT 0 1991 CANON INC A The thermal switch will be activ...

Page 123: ...the upper roller thereby eliminating toner offset to the paper the power comes from the high voltage power SUPPlY b If A4 A5 or LTR one cleaning session for each two sheets of paper picked up If A3 or LGL and in the manual mode one cleaning session for each sheet of paper picked up c The DC controller keeps count of the number of times that the cleaning belt has been driven and at the 100 OOOth se...

Page 124: ...s Related to Fixing Assembly POWER switch COPY STARTkey 170 17s Leadingedge Leadingedge ON 140 145 ON ofdocument ofdocument 3 82 Figure 3 94 COPYRffiHTO 19 CANONINC CANONNF3l50i3WOREV l AUG 1991 PRlNTEDINJAPAN IMPAIMEAUJAPON ...

Page 125: ... comes from the stepping motor PM3 The drive of delivery roller 2 NP3030 comes from main motor M2 Figure 3 95a NP3050 Figure 3 95b NP3030 COPY paw Paper deflector Gear A Delivery roller 2 n j m 4PM3 Revereing guide Delivery feeder motor Gear C _ rotation at time of delivery rotation at time of forwarding paper to lower feeder assembly Figure 3 96 COPVRKW 0 1W CANON SC CANON NP3OWWO REV2 OCT 1991 P...

Page 126: ... takes place as shown in Figure 3 97 COPY START key Leading edge ON of document V INTR 1 SCFW SCRV LSTR 1 STBY Delivery sensor PS6 Figure 3 97 3 84 COPVRIGHTO 1991CANON INC CANON NP305013WO REV 1 AUG 1991PRINTED INJ jPAN IMPRIME AUJAWN ...

Page 127: ... The machine stores the remaining number of copies to be made as well as the and copy mode so that the copy count or the copy mode need not be reset after removing jams by opening the machine s front door The master CPU identifies a jam under the following conditions and in addition when any of the sensors detects paper at time of power on Jams are also identified when the upper right or lower doo...

Page 128: ...Figure 3 99 2 Delay Jam by Pre Reglstration Paper Sensor The paper does not reach the pre registration paper sensor PSZ within a specific period of time after the manual pick up roller has gone ON Copy paper inserted SCFW SCRV LSTR STBY Manual feed pick up Manual feed pick up Pre registration paper 1 Oset Check Figure 3 100 3 86 COPYRIGHT 1991 CANON INC CANON NQ305Ql3030 REY 0 AUG 1991 PRINTED IN ...

Page 129: ...ART key ON Cassette 1 pick up Preregistration paper Figure 3 101 c Pick Up from Cassette 2 The paper does not reach the pre registration paper sensor PS2 within a specific period of time after the COPY START key is pressed COPY START key ON 2 05 set Check Figure 3 102 COPYRIGHT 0 1991CANON INC CANONNP305013WO REV 0 AUG 1991PRINTED INJAPAN IMPAIME AUJAPON 3 87 ...

Page 130: ...bly outlet paper sensor has gone ON COPY START key ON for 2nd side ON 3 88 I Set back roller Lower feeder assembly outlet roller Lower feeder assembly outlet paper sensor PS7 Pre registration paper sensor PS2 Separation flapper SL7 1 55 set Check m clockwise rotation I counterclockwise rotation Figure 3 103 COPYRIGHT 1991 CANON INC CANON NP3050fl030REY 1 AUG 1991 PRINTED INJAPAN IMPRIME AU JAPUN ...

Page 131: ...heck Figure 3 104 4 Stationary Jam by Delivery Sensor The paper does not move past the delivery sensor PS6 within a specific period of time after the delivery sensor has detected the paper COPY START key ON INTR 1 SCFW m SCRV LSTR STBY hL _ _ Registration roller i j Delivery sensor PS6 Check Varies depending on the paper size Figure 3 105 COPVRffiHT 0 1591 CANON MC CANON NPM50 3030 REV 1 OCT 1531 ...

Page 132: ...nlet paper sensor PS7 i 4 Check 0 8 set m forward rotation sl reverse rotation Figure 3 106 b Overlay Copy The paper does not reach the lower feeder inlet paper sensor PS7 within a specific period of time after the delivery sensor PS6 has detected the leading edge of the copy paper COPY START key SCRV 1 LSTR 1 STBY Registration roller clutch CL4 Lower feeder assembly inlel papersensor PS7 I __ __ ...

Page 133: ...PS7 after the lower feeder assembly inlet papei sensor PS7 has detected the leading edge of the paper COPY START key ON Paper enters the lower feeder assembly I Check p7J forward rotation m reverse rotation Varies depending on the paper size Figure3 108 COPVRIGNl 1991CANON INC CANON NP305013030 REV 1 AUG 1991 PRINTED IN JAPAN IMPRIME AU JAPON 3 91 ...

Page 134: ...PPlY 3 92 1 PWOFF I 24VR 24VU 12v 12v z Document size 24VR identification DC 24VR AE sensor controller 5v Black toner D identification 24V w Colortonerconcent rationidentification 3v NP3050 only LSAT _ 24VU 101 Counter 5V Control panel 12V 24VU L 24VU Figure 3 109 tiPYAK HT 0 i 9lClNON WC CANON NP305W3WO REV2 OCT 1901 FWRmD IN JMN NPllIYE AU JAFW ...

Page 135: ... a lithium battery BATIOI to back cut off up the SRAM Ql50 on the DC controller To reset the output open the front door keep The DC power supply for options provide the the door switch OFF disconnect the power plug document feeder and sorter if attached with 24V and correct the problem after ten minutes reconnect power and set the door switch ON once power The anti condensation heater is supplied ...

Page 136: ...ped resistor to send signals to the copier as necessary 2 Communication with the Copier The editor communicates with the copier in serial as shown in Figure 3 110 The editor is supplied with power by the RDF and the editor controller pCB converts 5 VDC to 3 5 VDC Figure 3 110 3 Inputs to and Outputs from the Editor Controller PCB Editor to copier CN2 output _a _ _ _ 3 94 COPVRlGtlT 0 1991 CANON IN...

Page 137: ...spacers are arranged over the Y plane shaped resistor and serve to prevent contact between the X plane shaped resistor and the Y plane shaped resistor when the table is free of pressure The editor controller reads points pressed by the cordless pen and the settings as if they are settings or function key information Dot spacers A Figure 3 112 Figure 3 113 Y plane shaped resistor 0 0 0 0 0 0 0 0 0 ...

Page 138: ...tage sent to the negative side of the comparator increases Figure 3 115 Equalizing Circuit of Comparator The above causes output Vo of the compara tor to change from 1 to o enabling the micro processor to know that the tablet was pressed 2 Reading X Coordinates Figure 3 l 16 shows the equalizer circuit of the tablet unit SW1 and SW2 are ON and SW3 and SW4 are OFF The switches are shifted as shown ...

Page 139: ... and SW4 are ON to read the Y coordinates as for Y coor dinates shmed Figure 3 117 Reading Y Coordinates DSOUT x plane shabed resistor y plane shaped resistor Figure 3 118 Tablet and Editor Controller block diagram COPVGIGHT 0 15 CANON INC CANON NRI XOi 30 REV 1 OCT 1991PRNTED IN JAPAN IMPRIME AU JAPDN ...

Page 140: ...er by the copier and its controller PCB converts the 24V power to 12V power The copier sends signals to the controller inside the cassette pedestal at such times as programmed in advance In response to the signals from the copier and those from the microswitches and sensors the controller inside the cassette feeding unit1 generates signals that drive such loads as motors and clutches t Cassene Is ...

Page 141: ...1 4 5 6 i77 62 B12 C4PD when paper is present in cassette 4 1 Cassette 3 size sensor J582 Al All A2 _A 2 DIGIT 2 A3 _Ag DIGIT3 A4 _A8 SIZE3 A5 _A7 SIZE A6 SIZE1 A6 SIZE0 cassette 314 size check Cassette 4 size sensor J562 A7 A6 A10 CNCT A13 cassette feeding unit connection check SW562 I I I Cassette feeding unit controller DC controller PCB copier Figure 3 120 COPVttlGHT 0 1991CANON INC CANON NP30...

Page 142: ...B7 B8 DC controller copier J582 84 1 3 Power supply DC power supply copier J Cassette feeding unit controller 88 B7 _ Figure 3 121 PUSW when O pick up clutch solenoid 3 goes ON PUSU when O pick up clutch solenoid 4 goes ON FDCL3 when O vertic al path roller 3 clutch goes ON FDCU when o vertical path roller 4 clutch goes ON PDMD when I unit motor goes ON WPVAffiHl 1991CANON INC CANON NP3OWWO REV 0 ...

Page 143: ...paper fed to the copier is forwarded to the registration roller by vertical path roller 2 and vertical roller I Jams of paper from the cassette feeding unit are checked by the copiers preregistration sensor PS2 of delay jams if copy paper is not detected within a specific period of time the copier will identify the condition as a jam and indicate a message on the control panel The presence absence...

Page 144: ...Cassette 4 I_ 0 Pick up clutch 3 drive signal B Pick up clutch 4 drive signal I Deck motor drive signal Pre registration paper sensor signal Cassette feeding unit Ve i c l path Vertical path roller 3 Ve e l path _ Figure 3 122 CANON NP9ffiQi3030 REV 0 AUG 1991PRINTED INJAWN IHPAIME AUJAPONJ ...

Page 145: ...d holder pick up solenoid Z St page picksd p 2nd p e picked up ____ _ L_ ceding unit SL581 i 1 Vertical path roller 3 drive clutch CL581 Figure3 123 b Pick up from cassette 4 A4 2 copies Leading edge Leading edge Figure3 124 COPVRIGHTO 1991 CANONINC CANON NP305013030REY 0 AUG 1991 PRlHTEDINJAPAN IMPAIMEAUJAPON 3 103 ...

Page 146: ...es not reach the pre registration paper sensor within a specific period of time after vertical path roller 1 has gone ON 3 104 COPY START key V 1 PKUPR 1SCFW 1 Check If from cassette 3 2 95 set if from cassette 4 3 5 sec Figure 3 125 COPVRIGHT 1991 CANON INC CANON NPJOS013WOREV 0 AUG 1591 PRINTED iN JAPAN IMPRIME AU JAPGN ...

Page 147: ...ide the deck The copier sends signals to the deck control PCB as programmed in advance The control PCB inside the deck on the other hand sends signals to such loads as motors and clutches inside the deck in response to outputs from the copier and from the microswitches and photosensors inside the deck Side door switch Registration roller clutch I I Litter clutch Paper deck contrOller PCB Figure 3 ...

Page 148: ... J557 1 LDR 2 J555 7 A 8 747h 24V 956 l 1 I 24 I Jlli J555 6 6 10 Bii 9 Bi 7 B7 PEP3 when paper is detected inside deck 0 PDP when paper reaches sensor 1 LTP when I pick up operation ready DKMD when 0 deck mob Goes ON Deck controller PCB Figure 3 127 DC controller PCB COPVRlGHTO 1991 CANONINC CANON NP305013030 REV 0AUG 1491 PRINTEDINJAPAN IUPAIMEAU JAPON ...

Page 149: ...power supply copier Jill i 4 S6 when 0 pick up clutch goes ON 5 810 PURL when 0 pick up roller up down solenoid goes ON 6 M DRGoR when 0 deck registratbn roller goes ON Paper size input I DC controller PCS CDPVRIGHTO 1991 CANON INC CANON NP3050l3WOREV 0 AUG 1991 PRINTED IN JAPAN IHPAIHE AU JAPON 3 107 ...

Page 150: ...ches The clutches in turn are under control of the signals from the copier When paper is picked up the pick up roller is raised by the pick up roller release solenoid SLSOI Copier RegFtrati n roller I j ii Paper deck El 0 Deck motor drive signal a Pick up clutch drive signal 0 Pick up roller release signal Preregistration paper sensor signal Figure 3 I 29 __ De registoration roller 1 roller 2 3 10...

Page 151: ...g edge ofdocument Leading edge of document Deck motor M501 Deck pi up clulch CL502 IPick uproller 1 _ 1 I I Paper deck SBsolem 501 I AI I I I Copier Figure 3 130 COPVw HT 0 1991 CANONINC CbNON NPSW 3090REV1 OCT l l PRINTED I JAPAN IWME AU JAPON 3 109 ...

Page 152: ...signal LOCK 1 is senl a559 goes ON a557 goes ON 4 Lifter positio signal LTP goes 1 Paper deck controller Lifter clutch CL501 Lifter Dosilion sensor Ii cl554 24v 3 a564 a557 3 24v Figure 3 131 LOdK 0 __ 1 copying machine informed of li ter mo eme l UP Used lor pick up and leed operation only not used for lifter IllOYement UP 3 110 COPVRffiHT 0 1sDl CANON INC CANON NP3lWflWO REV 1 OCT 1901 PAINTED I...

Page 153: ...e sensor arm moves away from the lifter position sensor 0503 In turn the lifter position detection signal 0 is generated to raise the lifter by about Zmm 2 Stopping the Lifter normal emergency Should the lifter keep moving up after the When the lifter has moved up and as a result the paper pushes up the sensor arm the sensor sensor has blocked the position sensor the arm blocks the position sensor...

Page 154: ... up clutch CL502 Pick up roller I I release solenoid SL501 i i 0 8set OBsec Check Figure 3 132 b Delay Jam at Copier Pre registration Sensor The paper does not reach the copier pre registration sensor within a specific period of time afler the deck registration clutch has gone ON COPY START key ON bading edge of Leading edge of document document I Check 1 I 2 4 set Figure 3 133 I 3 112 COPVlWl 0 W...

Page 155: ...fter position sensor Q755 Left lifter position sensor Q756 Deck preregistration roller i MS MS701 Right lifter limit sensor Microswitch MS702 Left lifter limit sensor MS703 Right door open closed sensor MS704 Right door open closed sensor MS705 Left deck open closed sensor _ SW701 m Deck size switch SW702 I Lifter up stop timing switch 24V 12v Deck controller i output TFB Deck motor Motor driver 0...

Page 156: ...DE when side door is open 0 DKMD when 0 deck motor rotates LPPDE when paper is present in left feeder assembly l LPUDR when I left pick up clutch goes ON RPUDR when o right pick up clutch goes ON LPURL when 0 left pick up clutch release solenoid goes ON RPURL when 0 right pick up clutch release solenoid goes ON DC controller copier 3 114 COPVRffiHl 0 18 i CANON INC CANON NFWS00WO REV2 OCT 1941 PRf...

Page 157: ...PRIMEAUJAPON r 7 6 1 5 6 k 7 3 4 t 5 9 3 1 24V 24V I 12v i T_ J I J i i _ Deck controller 702 A3 Jil Al 702 A7 A10 A2 66 69 87 86 84 83 Figure 3 136 PDR en 0 left feeder e clutch goes ON i 65 LPI whm dri 83 DA whs 1011 GDR en o deck registration er drive clutch goes ON B9 RP ADE wh en paper is present in Iight deck 1 812 LPI wh in It 4DE en paper is present eft deck 1 84 OR whl Pre GPD en paper is...

Page 158: ...r drive clutch 3 116 1 24V when left lifter is at limit 0 LDDE when left deck is closed 1 when right lifter is at pick up position 1 light blocking plate at sensor when right lifter is at limit 0 when right deck is closed 1 when o CL704 goes ON when left lifter is at pick up position 1 light blocking plate is at sensor when I CL705 goes ON Deck controller Figure 3 137 cwvRlGHT 0 ion CANON NC CANON...

Page 159: ...e which otherwise would be longer when paper is picked up from the left rl__ The motor handles pick up operations and drives the left and right lifters and other loads The left feeder assembly found between the left deck and the deck registration roller keeps l5L n DC controller copier Deck controller r u I_ Figure 3 138 COPYRIGHT 0 15 CANON INC CANON NP305013WO REV 1 OCT 1931 PfttNTED IN JAPAN IM...

Page 160: ...on 3 118 Left pick up roller y E s 0 Od 0 Left separation I Paper roller Paper I roller Right feeder roller _ Right separation Left deck Right deck Figure 3 139 Parts of Deck COPYRIGHT 0 1991 CANON INC CANON NP3050fl930REV 0 AUG 1991 PAINTED INJAPAN IMPRIME AU JAPON ...

Page 161: ...ier the copiers DC controller PCB generates the deck motor drive signal m causing the deck motor to rotate at the same time the right pick up roller starts to rotate to pick up paper from the right deck Deck registration roller To vertical path assembly copier Irl Deck preregistration roller sensor t Feeder roller Pick up roller III Paper y Separation roller 1 Right deck Paper deck Figure 3 140 Pi...

Page 162: ...at the same time the left pick up roller starts to rotate picking up paper from the left deck Deck registration roller To vertical path Left feeder assemblv oaoer sensor Deck pre registration assemb y copier roller paper sensor I ob Left feeder roller Left pick up r hfl L s Left feeder assembly roller 1 r IQ I Left feeder assembly roller 2 1 1c Right deck Paper deck Figure 3 141 3 120 COPYRIGHT 0 ...

Page 163: ...ance pick up even after it is switched OFF therefore the presence of paper in the left feeder assembly will not be identified as a stationary jam r i Deck controller II Dr ivebelt If for some reason the paper is removed after an advance pick up a new sheet of paper is picked up from the deck at the start of a copy run when the final copy run is over an additional sheet of paper will then be picked...

Page 164: ...dge ofdocument Figure 3 143 b Sequence of Pick Up A4 2 copies from left deck COPY START COPY START Leading edge LeadIng edge Paper ISabsent in the left feeder assembly when the COPY START key is pressed Paper is present in the left feeder assembly when the COPY START key is pressed Figure 3 144 r 3 122 ...

Page 165: ...the grip of the deck is pulled When the latch on the grip comes off the cam on the edge of the roller release shaft the arm on the roller release shaft rises and the pick up roller in turn is raised On the other hand when the latch on the grip pushes up the cam upon insertion of the deck the arm lowers and in turn the pick up roller is lowered The arm is also used to release the pick up roller dur...

Page 166: ... force of the release spring The separation roller is designed to be released so as to prevent interference between the deck rear plate and the separation roller when the deck is slid out Feeder rollers h Separat on rollers eease ever roller front i Release lever cam Figure 3 l 46 Feeder roller before release 3 124 Figure 3 147 coPYnKiHT0 1991 CANONINC CANON NtW XWO REV 1 AUG 1991 PRINTELI N JAMN ...

Page 167: ...p the lifter When the lifter has moved up and reached the lifter up sensor Q751 Q752 the lifter clutch goes OFF The lifter then is kept up by the one way gear The lifter is moved up as long as the copier s power switch is ON regardless of the decks state Deck is closed Deck motor M701 Lefilrighl lifter drive clulch CL704 705 Left right lifter up sensor c 754 755 i lIzI Rotates while paper is picke...

Page 168: ...oller 1 LetVright litter Left right lifter limit sense MS701 MS702 Oil damper 3 126 Figure 3 149 Parts Used to Move Up the Lifter COPYRIGHT 1491 CANON INC CANON NPWXGO REV 0 AUG 1991 PRINTED INJAPAN IMPRIME AU JAWN ...

Page 169: ...ence of paper If paper is absent the sensor arm will move absence of paper If the lifter fails to move up to a specific position for some reason even in the presence of paper the condition will be identified as the absence of paper Deck controller 4 DC controller copier Left right lifter up sensor Q754 Q755 LULLI I Left right deck paper 00 a a sensor Q751 Q752 Paper 23 7 i iF Center of _ rotation ...

Page 170: ...ng edge of document b Delay Jam at Copier Pre Registration Roller The paper does not reach the copier pre registration paper sensor within a specific period of time after the deck registration clutch has gone ON COPY START key ON Copier Vertical path roller 2 drive clutch CL4 Vertical path roller 1 drive clutch CL3 Pre registration paper sensor PSP 2 3 set Check Figure 3 153 3 128 CGPYAlGHTO IS CA...

Page 171: ... paper advance pick up does not reach the deck pre registration paper sensor within a specific time after the pick up clutch has gone ON COPY START key _ AT Left pick up clutch CL702 Paper deck Left pick up roller release solenoid SL702 Left feeder assembly paper sensor 0753 _ _ Lek feeder rdllerclutch CL703 Deck pre registralion roller paper sensor Q756 Check Figure 3 155 COPYRIGHT0 1991 CANONINC...

Page 172: ...ter Table 3 7 If NP3030 such items as overlay two sided copying and CD unit are displayed But input is not accepted 3 130 0 Servicei mode switch Figure 3 156 3 Enter the number of the mode to check or adjust using the q key and the numeric keypad for example press 3 and then m The display shows the adjustment mode screen 4 Press the COPY DENSITY key to select the desired screen 5 Make checks or ad...

Page 173: ...rs and switches Figure 3 157 depicts the label attached behind the machine s front door Each machine is individually adjusted at the factory and settings are recorded on the label Enter these settings after replacing the DC controller or initializing the RAM Likewise record any new settings entered in the field on the label Figure 3 157 _ _ COPYRIGHT 0 1991 CANON INC CANON NP305013030REV0 AUG 1991...

Page 174: ...agnosis code RDF self diagnosis code sorter self diagnosis code copier s alarm displays 0 through FF See Table 3 8 See Table 3 9 See Tabie 3 10 do10 doll S ERR B_ALRM See Table 3 11 I 1 d012 F_ALRM RDF s alarm See Table 3 12 d013 S_ALRM sorter s alarm 2 digits on left tray 2 digits on right stapler See Table 3 13 14 I I I d014 d015 d016 d017 d018 ED X editor input coordinate x displays in 0 1mm in...

Page 175: ... master CPU message Danish 1060 copier master CPU message Dutch 1070 copier master CPU message Finnish 1080 copier master CPU message Italian 1090 copier master CPU message Norwegian 1OAO copier master CPU message Portuguese 1o o copier master CPU message Spanish 1oco copier master CPU message Swedish 2 DF Sorter i DISPLAY DF version No For R D control _ I COPVRKiHTO WI CANONINC CANON NF305W3WOAEY...

Page 176: ... IWT by 1 delay jam ldentlfled by delwery sensor PS6 stationary jam identilied by delivery sensor tified by lower feeder inlet 3 134 Table 3 8 Copier Jam Codes COPVAffiHT0 1991 CANONINC CANON NFW50flWO REV 1 OCT 1991 PRINTEDfflJAPAN IYPRIUE AU JAFON ...

Page 177: ...NJAPAN IMPRIME AUJAPON 3 135 Jam code Description 81 RDF identified as open 82 pick up tray of upper cover identified as open 83 delivered document not identified by document sensor document circulation fault 64 85 88 document identified by sensor at time of pick up jam document jam unique to test mode document identified at time of 1st page document pick up 89 8A recycle bar movements fault at ti...

Page 178: ...ode qQm until execution automatic cleaning in response to power o will not be performed Table 3 11 Copier s Alarm Alarm code Description _ document count different after jam removal I I 13 document forced off I 3 136 Alarm code Description oi paper fold unit power OFF 02 overstacking Table 3 13 Sorter Tray Alarm Alarm code Description oi stapler down 02 staple jam 05 stapler overstacking 06 staple...

Page 179: ...Name of mode Name of display 1 I 110 V40 PPIO_PAO PO00 00000000 I t t t Screen No bit 7 bit 0 portPA1 input output port PB2 input output PO14 1 V4OPPIl_PCl 1 portPC1 input output I O port IC 363 port PC2 input output port PA0 input output Remarks COPYRIGHT 1991CANONINC CANON NFWJI X O REV 0 AUG 1941PRINTED RIJAPAN IHPAIME AUJAPON 3 137 ...

Page 180: ...SLAVE F PO32 v40 OP_IU reserved n For details see the pages that follow port PD input output port PF input output Remal I 3 138 COPVMGHT 0 1991 CANON NIC CANON NP3050flWO REV 1 OCT 1991 PAINTED INJAPAN IWPFAYE AU JAWN ...

Page 181: ... upsolenoid SL581 drive signal PUSLB right deck paper pick up release solenoid RPURL SL701 drive signal deke paper pick up clutch CL502 drive signal PURD 3 cassette 4 pick up solenoid SL562 drive PUSL4 signa left deck paper pick up release solenoid SL702 drive signal RPURL 4 vertical path roller 1 clutch CL3 drive signal FDCLl 5 vertical path roller 2 clutch CL4 drive signal FDCL2 6 verticalpathro...

Page 182: ...ition sensor MS6 signal developing AC bias output signal black developing assembly lock solenoid registration roller clutch CL2 drive signal COPYRIGHT 0 1991CANON INC CANON NPW3WO REV 0 AUG 1991PRINTED INJAPAN IMPAIME AUJAPON ...

Page 183: ...e regls ratlon paper sensor COPVRIGHTO 1991 CANON INC CANON NP305Ql3030REV 0 AUG 1991 PRINTED INJAPAN IMPAIME AU JAPON 3 141 ...

Page 184: ...6 reserved 7 reserved 3 142 COPVAIGHTO 1991 CANONINC CANON NF3O O 3WORE O AUG 1991 PRlNTEDINJAPAN IHPRIMEAUJAPON ...

Page 185: ...1 COPVAlGHT 1991 CANON INC CANON NP305013030REV 0 AUG 1991 PRINTED IN JAPAN IMPRIME AU JAWN 3 143 ...

Page 186: ...lOPERATION AND TIMING 3 144 COPYRIGHT 0 1991 CANON INC ...

Page 187: ...PO18 PO19 PO20 COPVAIGHTO 18i CANONINC CANONNP305013030 REM AUG 1991 PRlNTEDINJAPAN IWPRIMEAUJ ON 3 145 ...

Page 188: ..._ 3 146 COPYRIGHT 0 1991 CANON INC CANON NP9050flWO REV 1 AUG 1991 PRINTED INJAMN IMPRIME AU JAWN ...

Page 189: ...te sensor switch 0 1 switch ON 1 cassette 2 size sensor switch 1 1 switch ON 2 cassette 2 size sensor switch 2 1 switch ON _ 3 cassette 2 sue sensor switch 3 1 switch ON 4 I ze sensor switch 1 COPVRIGHTO 1991CANONINC CANON NPJW3030 REY 0 AUG 1991PRIMED DiJAPAN IMPRIME AUJAPON 3 147 ...

Page 190: ... sianal LHP J103 812 1 at HP 7 scanner oosition sensor fPM5 sianal l PD 1 J102 B5 11 atHP I 0 lens motor PM2 power supply switching LNSTB Ji 04 A6 0 5V 1 24V signal J104 A3 1 side registration motor PS4 signal power CHCSTB 102 10 0 5v 1 24V supply switch signal J102 A7 2 IDPBUSY IDPBUSY 1 I I 3 IDPREQ IDPREQ I I I 4 Iimage leading edge SCDPO 1 I 5 scanner motor PMI current level switching signal s...

Page 191: ...COPVRlGtiT 1991 CANOWNC CANON NP305013WOREV 0 AUG 1991 PRINTED IN JAPAN IMPRIME AU JAPON 3 149 ...

Page 192: ...or higher A006 BIAS 9 developing bias DC component black copy A007 BIAS C developing bias DC component color copy Range Remarks 0 to999 0 to999 0 to999 0 to999 0 to999 0 to999 0 to999 when decreased copies in the AE mode will be lighter when increased the resistra tion roller ON timing will be delayed unit 0 16 mm when increased the leading edge margin will be increase unit 0 1 mm when increased t...

Page 193: ...ve DC component color set the relative difference in re spect of BIAS C red center A017 DOG STOP document stop position with RDF in use 0 to 999 see next page COPVMtlT0 1991CANON WC CANON NP3050flWO REV 1 OCT 1991PRINTED INJAPAN IMPRIME AUJAPON 3 151 ...

Page 194: ...ce mode 1 Select A017 DOC STOP fafn er the value shown as stored sheet the sheet WIIIstop on the iiyF y stored data YES A higher setting causes the stop position to move to the left in units of 0 33mm 3 152 COPVRlGllV 1991 CANON INC CANON NP3W3030 AEW AUG 1991 PRIMED INJAPAN IMPRIME AU JAPON ...

Page 195: ...s the H key to start operations be sure to execute each item during standby only Name of mode Name of function _j t t t Screen No 1 during operation Operation operation of the set remains ON for 30 set COPVlGNl 0 l l CAWON MC CANON NP3 3 3M REV2 OCT 1881 WllNTEDlN JAMN IYPRME AU JAPON 3 153 ...

Page 196: ...or toner solenoid remains ON supply solenoid for 0 5 set FO13 SEP_SL checks the operation of the separation solenoid remains ON for flapper solenoid 0 5 sec FO14 through not used FO30 FO31 TONER S black toner supply installation Do not use except during installation 3 154 CUPVRIGHTO 1991 CANONINC CANON NP3OSOi 030 REV 0 AUG 1941 PRINTED IN JAPAN IMPRIME AU JAPON ...

Page 197: ...assette see the next page for the settmg Screen No Item us1 sets the standard 1 AE enabled modes 0 AE disabled will be assumed to assumed to represent AE_SLCT CST_SLCT c AUTO_CAS z or auto cassette change With the function ON when the selected cassette runs out of paper copying will continue by automatically switching to another cassette containing paper of the same size 0 auto cassette change dis...

Page 198: ...he normal g step notation for the copy density may be expressed in all numerals except 0 will be assumed 17 step notation 0 g step 1 17 steo to represent 1 0 warm up ends when fixing temperature is 145C 1 warm up ends when fixino temoerature is 17X all numerals except 0 are considered to be 1 If fixing faults occur on copies made immediately after power on to 175 Table of Setting for the Universal...

Page 199: ...after returns to 000000 coo2 coo3 coo4 coo5 BLUE GREEN BROWN WEB COO6 MANUAL coo7 CST_I COO6 CST_2 coo9 CST_3 co10 CST_4 blue copy counter reading green copy counter reading brown copy counter reading No of cleaning belt drive solenoid operations No of manual feed pick ups No of cassette 1 pick ups No of cassette 2 pick ups No of cassette 3 right deck pick ups No of cassette 4 left deck pick ups c...

Page 200: ...ter it has reached 100 C The output of THl does not reaches 175 C after it has reached 170 C The output of THl drops to 150 C or less after it has reached 175 C see notes i and ii A short circuit is detected in the SSR while the heater isOFF immediately after power on 2 set Ashort circuit is detected in the SSR for more than 2 set while the heater is OFF M2 has rotated at a speed not specified for...

Page 201: ...PS3 1 Checks are made immediately before the counter goes ON or OFF normal if the counter drive signal is 0 when the counter goes ON or if the counter drive signal is 1 when the counter goes OFF The scanner initial operation is not over within 10 set after power on if any of the following no code is indicated but the keys on the control panel will be locked The AE reverse movement is not over with...

Page 202: ...lock sensor faulty Delivery motor faulty rotation Delivery motor clock sensor faulty Document sensor faulty Registration paper sensor faulty t the lamp ON timing LAON i is not true t the lamp OFF timing LAON O is not true n e or is found in communication between he mister CPU and the slave CPU see the RDF SERVICE MANUAL 3 160 COPYRIGHT0i991 CANON INC CANON NP3iOiXWREV 0 AUG 1991PRINTED IN FM IMPRl...

Page 203: ... Stacker motor faulty 1 1 3 1 Guide vibrator motor faulty Stapler unit drive motor faulty Vibrator unit drive motor faulty Shift motor faulty rotation slow DC controller faulty The IPC cannot be initialized when the machine is switched ON An IPC communication error is detected twice or more within 1 sec COPYRIGHT 1991 CANON INC CANON NP305013030 REV 1 AUG 1991 PRINTED IN JAPAN IMPRIME AU JAPON 3 1...

Page 204: ...ut delay 1 iii When the machine is switched OFF and then ON in responSelo an error in the 400 s self diagnosi will be executed once again and the message Feeder at PaLIlt will be indicated copie may still be mada if the feeder is not ubed 1 I iv When the machine is switched bFF and then ON in response to an error in the SbO s except E500 self diagnosis will be executed once again and the message S...

Page 205: ... editor controller open circuit disconnection Plain shaped resistor short circuit more than specific pressure is at power on _ 4 1 ooo Datacommunication error 3 at all times communi cation absent 200 ms or more The LEDs are flashed ON and OFF at intervals of 1 sec The machine may be reset by turning it OFF and then ON if for patterns 1 and 4 The machine will be reset upon removal of the cause if f...

Page 206: ...re 1 Upper Cover 1 Detach the copyboard cover 2 Detach the control panel see p 4 3 3 Detach the rear cover 4 Remove the two mounting screws and detach the copyboard glass retainer 5 Detach the copyboard glass 6 Remove the mounting screw and detach the magnet plate 7 Hold the tabs under the bushing left right for the copyboard cover and push it up to detach 8 Remove the two mounting screws and deta...

Page 207: ...gure 4 102 COPYRIGHT 1991 CANON INC 3 Right Cover 1 Remove the seven screws and detach the right cover Figure 4 103 4 Rear Cover 1 Loosen the two screws that hold the base plate until they are about to come off 2 Remove the four screws left right 3 Remove the two screws on the top 4 Remove the rear cover CANON NP905013030REV 0 AUG 1991 PRINTED IN JAPAN IMPRIME AU JAPON ...

Page 208: ...ch it After replacement push down on the copyboard sheet to ensure good adhesion 1 Outline The machine is equipped with three fan motors to prevent overheating by circulating the air inside the machine Each of the fans serves the following functions heat exhaust fan FMI discharges the heat from the fixing assembly to the outside of the machine scanner cooling fan FM2 cools the scanner feeder fan F...

Page 209: ... Figure4 107 4 4 CGPVRlGtlTO 1991 CANON INC CANON NP305013030REV 1 AUG 1991 PAlMED IN JAPAid IMPRIME AU JAPON 4 Detach the protection cover then remove the four mounting screws and detach the scanner cooling fan 0 Mounting screws 0 Protection cover 0 Scanner cooling fan Figure4 106 3 Detaching the Heat Exhaust Fan FMl Ozone Filter 1 Detach the rear cover 2 Detach the ozone filter 3 Remove the thre...

Page 210: ...er Fan FM3 I Ozone Filter I For detachment of the ozone filter see Other Drive Assemblies for the feeder fan see I Detaching the Feeder Assembly I COPvRlGnT 0 1991 CANUN Hc CANON NPWOflWO RFv 1 OCT 1Wl PRINTED IN JAPAN IYPAME AU JAWN 4 5 ...

Page 211: ...stay 2 Disassembly and Assembly a Detaching the Lens Motor 1 Detach the upper cover rear cover and copyboard cover switch mount 2 Remove the six screws and detach the harness retainer 0 Harness retainer Q Mounting screws Figure 4 200 0 Support plate 0 Screws 0 Upper right stay Figure 4 201 6 Remove the four screws and detach the upper left stay 7 Remove the four screws and detach the lens cover 8 ...

Page 212: ...ror unit together with the rail I 10 Remove the three mounting screws and I detach the lens motor I 0 Lens motor 0 Screws Figure 4 203 t _ COPVtllGtlTO 1991 CANON INC CANON HP305013030REM AUG 1991 PRINTED INJWN IMPRIME AU JAPON 4 7 ...

Page 213: ...the lens drive slide the pulley to the direction of A and fix it cable in the order given in Figure 4 204 in place when the reading of the gauge is between400and450g Note _ y Wind the cable four times around the pulley so that the cableis at the fop on the t pulley _ s s Pulley lens unit Figure 4 204 Lens rail 4 8 COPVMGHTO 1691 CMONINC CANON NP305013WO REV1 OCT 1991 PPtNtEG fflJAM IMPME AU JAPGN ...

Page 214: ... the Tension of the Mirror cable 6 Adjust the position of the mirror see Adjusting the Position of the Mirror 2 Adjusting the Tension of the Mirror To adjust the tension of the mirror drive cable loosen the fixing screw and turn the adjusting Drive Cable screw to change the position of the pulley 0 Set the No 1 mirror mount on the home position side and pull a point between 0 and with a spring gau...

Page 215: ...per on the copyboard and feed the original sheet in the manual mode call the original sheet sheet B When the original sheet has gone through the machine it shows contraction by heat 4 Put sheerA and sheet B together and reposition the No 1 mirror mount so that distances x and y Figure 4 207 will be the same r SheetA Figure 4 207 x y correct x y move the No 1 mirror mount in the direction of I xcy ...

Page 216: ...ors and detach the motor driver 3 Move the harness guide upward to detach 0 Motor driver unit Harness guide Figure 4 209 4 Remove the grip stop ring and detach the three main motor gears and the three chains 0 Mounting screws Figure 4 211 0 Chain Main motor gear 3 Grip stop ring Figure 4 210 COPYRIGHT 0 1991 CANONINC CANON NP905013030 REV 0 AUG 1991 PRINTED IN JAPAN IMPRIME AU JAPON 4 11 ...

Page 217: ...assembly IHarness retainer Figure 4 212 2 Detaching the Manual Feed Pick Up Drive Assembly 1 Detach the rear cover 2 Remove the screw and disconnect the connector then detach the manual feed pick up solenoid Manual feed pick up Connector solenoid 0 Screw Figure 4 213 4 12 COPVWGHTO 1991 CANON INC 3 Remove the E ring and the hex screw then detach the spring clutch 0 E ring 0 Hex screw 0 Spring clut...

Page 218: ...d the grip ring then detach the registration roller clutch CLI 0 Connector Grip ring 0 CL1 Figure 4 216 F Other Drive Assemblies 1 Detaching the Set Back Roller Drive Motor Fixing Drive Assembly and Cleaning Belt Drive Solenoid 1 Detach the rear cover 2 Disconnect Jl J3 J5 J12 and J83 from the high voltage transformer remove the two screws and detach the high voltage transformer 0 High voltage tra...

Page 219: ...he screws indicated 0 Set back roller drive motor 2 screws 8 Fixing drive assembly 2 screws Cleaning belt drive solenoid 2 screws Figure 4 218 4 14 COPVRIGNIO 1801 CANON MC CANON HP305013030 REV 0 AUG 1991 PRINTED IN JAPAN IMPRIME AU JAFON ...

Page 220: ...ach bushings 1 and 2 remove the E ring and detach bushing 3 then remove the varistor mounting screw and disconnect the connector 0 Bushing 1 Varistor mounting 0 Bushing 2 screw 0 Bushing 3 0 Connector Figure 4 301 6 Remove the screw and detach the manual feed pick up drive assembly 7 Remove the screw and detach the manual feed clutch 8 Remove the two E rings and detach bushing 4 0 E ring 0 Bushing...

Page 221: ... Rubber member pick up roller 0 Pick up roller mount Figure 4 305 4 Position of Pick Up Roller Make sure that the pick up roller is attached to the pick up roller shaft as shown in Figure 4 306 front Pick up shaft rear Mounting hole for inch system 0 Gear 2 0 Hex screw Figure 4 304 for metric system for metric system 4 Remove the E rings from both ends of the pick up roller shaft and detach the bu...

Page 222: ... 2 0 Mounting screws Q Pick up guides 1 and 2 Figure 4307 4 Detach the rear cover 5 Remove the hex screw and detach the drive clutch 0 Hex screws Drive clutches Figure 4 309 6 Remove the E ring from both ends of the shaft and detach vertical path rollers 1 and 2 0 E rings Figure 4 309 COPVNlGHT 0 198l CANON INC CANON NP305W3030REV2 OCT 1991 PRINTED IN JAW IYPfiINE AUJAPON 4 17 ...

Page 223: ...ting screw 0 Bushing 1 E ring Figure 4 310 5 Remove the screw and detach the tab and bushing 2 then detach the transfer guide 0 Tab C Bushing 2 0 Mounting screw Transfer guide Figure 4 311 4 18 COPYRIGHT 0 1991 CANON INC 6 Remove the screw and detach the pre transfer rail 7 Remove the two E rings and detach bushing 3 0 Bushing 3 0 E rings Figure 4 312 6 Remove the E ring and the screw detach the p...

Page 224: ... the cords into the inside of the machine Q Grounding cord Figure 4 314 7 Remove the grip ring 8 Detach the gear 0 Grip ring Gear Figure 4 315 0 E ring 0 Bushing Figure 4 316 IO Detach the feeder knob fixing tab and inside cover 11 Remove the E ring and pull out the bushing Q E ring 0 Bushing Figure 4 317 12 Lift the front of the feeder assembly and slide it out slowly to the front of the machine ...

Page 225: ...hing of the wire cleaner shaft then detach the shaft 0 Microswitch 0 Bushing Q Wire cleaner shaft Figure 4 319 5 Remove the screw and detach the corona assembly electrode 6 Remove the four screws and detach the motor housing then detach the transfer separation corona assembly guide 0 Transfer Separation 0 Screws guide Motor housing Figure 4 320 7 Remove the E ring and detach the bushing then detac...

Page 226: ... Remove the E ring and detach the shaft two shafts in all IO Remove the four screws and detach the feeder fan 0 Feeder fan 0 Screws Figure 4 322 COPYRIGHT 0 1991 CANON INC CANON NP3MOIJO30 REV 0 AUG 1991 PRINTED IN JAPAN IMPRIME AU JAFON 4 21 ...

Page 227: ...ew and detach the bushing of the lower feeder assembly outlet then move the outlet to the right 0 Screw Q Busing Figure 4 324 4 22 COPYRIGHT 0 1991 CANON INC 6 Remove the E ring and the bushing at the front of the upper pick up roller shaft then detach the pick up roller shaft front from the front end plate to move it away to the bottom of the machine The pick up roller need not be removed from th...

Page 228: ...en the fixing screw on the solenoid 2 Put a washer 1 Omm thick under the separation flapper Separation flapper normal 3 Push the solenoid shaft into its housing with a finger and move the solenoid in the direction of the arrow until the tip of the flapper comes into contact with the washer Solenoid sh in this direction Figure 4 329 4 Tighten the solenoid fixing screw while holding the solenoid in ...

Page 229: ... I Grip ring roller shaft 0 Gear Figure 4 331 7 Remove the E ring and pull out the bushing 0 E ring 0 Bushing Figure 4 332 8 Open the delivery assembly and detach the connector cover 9 Detach the delivery guide spring 0 Spring Figure 4 333 IO Slide out the lower feeder inlet guide through the side of the machine 4 24 WPYRIGHTO lP lCANON INC CANON NP3W030 REV 1 AUG 1491 PRINKC IN JAPAN IMPRIME AU J...

Page 230: ...ery assembly and remove the screw and the grounding wire 4 Remove the screw and detach the connector cover 0 Grounding wire 0 Connector cover Mounting screws Figure 4 335 a J65 J67 Figure 4 336 6 Detach the inside left cover 7 Detach the support plate and detach the delivery assembly 0 i Delivery assembly B Mounting screw support plate Figure 4 337 CGPVRIGtlT 1991 CANON INC CANON NP305013030REV 9 ...

Page 231: ...ws and detach the lower insulation cover separation claw 0 Screws Q Insulation cover 0 Screws 0 Lower separation claw Figure 4 338 Figure 4 340 4 Remove the three screws and detach the upper separation claw together with the support plate 0 Screws 0 Support plate 0 Upper separation claw Figure 4 339 4 26 COPVRIGHTO 1991 CANON NC CANON NP3050flWO REV 0 AUG 1991 PRINTED IN JAPAN IMPRIME AU JAPON ...

Page 232: ... cover 0 Rear cover Mounting screws Figure 4 341 2 Detach the m or mount 3 Detach the cord guide 0 Motor mount 3 Cord guide Figure 4 342 0 Pick up drive unit Figure 4 343 5 Remove the screw from the solenoid mount 0 Screw Solenoid mount Figure 4 344 COPYRIGHT 0 1991 CANON INC CANON NP305013030 REV 0 AUG 1991 PRINTED INJAPAN IMPRIME AU JAPON 4 27 ...

Page 233: ...t cover 0 Mounting screws Figure 4 345 7 Remove the E ring detach the bushing and pi up roller 3 0 E ring 0 Bushing 4 28 Figure 4 346 0 Pick up roller 2 Screw Figure 4 347 0 Pick up roller shaft Sensor arm Figure 4 346 cowNKw0 Ion CANDN HC CANON Nf 3USO REV 1 OCT 19tl PRlhlED M JAM IYPfIIME AU JAFUN ...

Page 234: ...Roller 4 1 Detach the rear cover of the cassette feeding unit 2 Disconnect the 2P connector Figure 4 350 loosen the screw and detach the clutch 01Screw 0 Clutch 0 2P connector Figure4 350 3 Remove the two E rings and detach the bushing a E rings 0 Bushing Figure4 351 COPYRIGHT 1991 CANON INC CANON NPMMSSO REM AUG 1991 PRIME0 INJAMN IMPRIME AU JAPON 4 29 ...

Page 235: ... ring a Bushing Figure 4353 4 Vertical Path Roller 3 1 Disconnect the connector and detach the copier from the cassette pedestal then lift the copier off the feeding unit 2 Detach the rear cover 0 Rear cover Figure 4 354 3 Disconnect the connectors 0 Connectors Figure 4 355 4 30 COPVRGHT 1991 CAMON INC CANON NP305013fflO REV 0 AUG 199l PAINTED IN JAPAN IMPRIME AU JAPON ...

Page 236: ...ws Figure 4 356 6 Remove the six mounting screws and detach the pick up unit from the feeding unit 0 Mounting screws 0 Pick up unit Figure 4 357 0 Pick up unit Figure 4 356 7 Loosen the screw and disconnect the connector then detach the clutch 0 Screw 0 Clutch 0 Connector Figure 4 359 COPVRIGHTQ 1991 CANON INC CANON NP80500080REV 0 AUG 1991 PRINTED INJAPAN IHPRIME AU JAPON 4 31 ...

Page 237: ...4 360 9 Remove the E ring and detach the bushing found at the front of the pick up unit then detach vertical path roller 3 0 E ring Q Bushing Vertical path roller 3 Figure 4 361 4 32 CGPVRlGtlVO 1991 CANON INC CANON NP305OflWO REV 0 AUG 1991 PRINTED INJAPAN IMPRIME AU JAPON ...

Page 238: ...Remove the deck stop plate 3 Remove the cord cover 0 Stop ring 0 Feed roller Figure 4 365 Npte I o I The feed roll l z its own orientzition pi it sb that ii is as shy i Figu e 4 366 i l IO s 0 Deck stop plate 0 Mounting screw Q Cord cover Figure 4 363 4 Remove the deck Figure 4 366 Figure 4 364 COPYlUGtlTO i991 CANONINC CANON NF 305013030 REV 1 AUG 1991 PRlNTEDINJAPAN IMPRIMEAUJAPON 4 33 ...

Page 239: ...4 3 Pick Up Unit 1 Lift the copier off the paper deck and remove the deck 2 Remove the side covers front rear 0 Side cover front 0 Mounting screws 0 Side cover rear Figure 4 366 3 Remove the four mounting screws and remove the pick up unit CQPVFIIGHTQ 1991 CANON INC CANON NP3MDflWO REV 1 AUG 1991 PRINTED INJAPAN IMPRIHE AU JAPON 0 Mounting screws 0 Pick up unit Figure 4 369 ...

Page 240: ...gure 4 371 4 Registration Roller 1 Remove the deck drive unit 2 Remove the crossmember n fy zJJj kKr 0 Crossmember 3 Screw Figure 4 372 3 Remove the spring and the E ring 0 I 0 Spring B E ring Figure 4 373 4 Remove the spring and the E ring then detach the bushing on the opposite side 0 Spring Q E ring I Gear Bushing Figure 4 374 5 Remove the registration roller COPYRIGHT 63 1991 CANON INC CANON N...

Page 241: ...and detach the deck front cover 3 Remove the five screws and detach the front upper stay and the gear cover 0 Front upper stay 0 Gear cover Figure 4 376 4 Remove the screw and detach the damper Figure4 377 5 Remove the E ring and detach the gear pin and pulley cover 6 Detach the cable end from the pulley 7 Remove the metal stop from the cable relay mount then detach the pulley cover and detach the...

Page 242: ...able Pulley Screws Figure 4 379 4 Detaching the Deck Registration Roller 1 Detach the right pick up unit see the steps given for detachment of the right pick up unit 2 Remove the four screws that hold the deck registration roller assembly and disconnect J730 0 Screws 0 J730 Figure 4580 3 Disconnect J717 4 Remove the E ring from the deck registration roller drive clutch shaft 5 Remove the three scr...

Page 243: ...eck 6 Detaching the Right Pick Up Unit 1 Detach the right deck from the paper deck 2 Detach the left deck from the paper deck 3 Detach the left feeder assembly 4 38 COPVAlGHTO 1991 CANONINC 4 Detach the front right cover and the rear right cover then remove the belt stop screw and detach the two right door hinges 0 Front right cover 0 Right door belt stop 0 Rear right cover screw Right door hinges...

Page 244: ...7 Remove the three screws and detach the rear support plate and the left feeder shaft support plate 0 Rear support plate 0 Screws 0 Left feeder shaft support plate Figure 4 388 8 Remove the screw and detach the front support plate i3 Front support plate Q Screw Figure 4 389 COPYRIGHT 0 1491 CANON INC CANON NP395013930 REV 0 AUG 1991 PRINTED IN JAPAN IMPRIME AU JAPON 4 39 ...

Page 245: ... Open the right door 2 Remove the two E rings 0 Right pick up unit 0 Stop plate 3 Screw Suppont mount Figure 4 390 0 Right pick up unit Figure 4 391 C E rings 0 Separation roller Figure 4 392 3 Detach the shaft retainer spring 0 Shaft retainer spring Figure 4 393 4 Detach the right separation roller together with its shaft 4 40 COPVRIDHT 0 194 CANON RC CANdN NPJDSOI W REV2 OCT 1981 PAINTED IN JAMN...

Page 246: ...t retainer spring Figure 4 395 4 Detach the left separation roller together with the shaft 9 Detaching the Right Feeder roller 1 Detach the right deck from the paper deck 2 Remove the E ring 3 Slide out the right feeder roller to the front 0 E ring I Right feeder roller Figure 4 396 Figure 4 397 COPVRlGtlT 1991 CANONINC CANONNP305013030REV 1 AUG 1991 PAlNTEOINJ IMPAIMEAUJAPON 4 41 ...

Page 247: ... the rear cover then detach the left deck from the paper deck 2 Disconnect J707 and J708 from the deck controller 0 J707 OJ708 Figure 4 3100 3 Remove the two screws and detach the left feeder shaft support plate see Figure 4 00 4 Remove the four screws and detach the left cover 5 Remove the three left pick up unit stop screws 0 Left pick up unit stop screws 0 Left pick up unit Figure 4 3101 4 42 C...

Page 248: ... 0 E ring a Left feeder roller Figure 4 3103 0 Figure 4 31b4 13 Detaching the Left Pick Up Roller 1 Detach the left deck from the paper deck 2 Detach the pick up rollers as necessary from the collar 0 Pick up rollers Figure 4 3105 c a 0 a front 0 Pick up roller 0 Mark Figure 4 3106 COPYRIGHT 0 1491 CANON INC CANON NP395013030 REV 1 AUG 1991 PRINTED IN JAPAN IMPRIME AU JAPON 4 43 ...

Page 249: ...et plate Be careful not to bend reflectors 7 a __ 0 Hole magnet plate Figure 4 400 4 Remove the two mounting screws and detach the thermal fuse 4 44 2 Detaching the Scanning Lamp 1 Detachthe copyboardglass 2 Remove the two screws and detach the reflector cover 0 Reflector cover 0 Screws Figure 4 401 3 Remove the mounting screw from the lamp support rear and detach the scanning lamp 0 Lamp support ...

Page 250: ... __ I Boss of lamp a Reflector B Reflector A Lower reflector Mirror movement forward Figure 4 403 COPVRIGHTO 1491 CANON INC CANON NP3tWtttO REV 0 AUG 1991 PRINTED INJAPAN IHPAIME AU JAPON 4 45 ...

Page 251: ...rew and detach the blank exposure lamp retaining spring 0 Retaining spring CZ Screw Figure 4 404 4 Detach the chain from the tension gear 5 Disconnect J553 and pull out the blank exposure lamp 0 J553 Blank exposure lamp Figure 4 405 4 46 COPYRIGHT 0 1991 CANON INC CANC NP3050fl030 REV 0 AUG 1991 PRINTED IN JAPAN IMPRIME AU JAPGN ...

Page 252: ... r V CHARGING SYSTEM A Drum Unit 1 Outline Primary corona assembly Photosensitive drum COWGHTO 1991 CANON INC Figure 4 500 CANON NP305013030REV 0 AUG 1991 PRINTED IN JAPAN IMPRIME AU JAPON 4 47 ...

Page 253: ... attached to the dium unit 1 I f 1 I 3 Detaching the Drum Cleaning Assembly 1 Detach the drum unit 2 Detach the primary corona assembly 3 Remove the two screws and detach the drum unit front cover 0 Primary corona 0 Drum unit front cover assembly Screws Figure 4 501 4 48 COPVMGHT 0 1991 CAMCN MC CANON NPjtWflWO REV2 OCT 198PftRtED IN JAPAN tMPNtME AU JAPON 4 Place the drum unit on a sheet of paper...

Page 254: ...ensitive drum When the inside of the photosensitive drum becomes full of waste toner the DISPOSE OF TONER message is indicated on the message display during copying operation Replace the drum unit when the message appears COFYAIGHTO 1991 CANON INC CANON NF305013030REV 0 AUG 1991 PRINTED IN JAPAN IMPRIME AU JAPON 4 49 ...

Page 255: ...t the corona wire is routed through the p s Make copies and check the ima quality after attaching ihedrum unit _ _ 4 50 coPYRKinro 1991 CAmNC CAtKN til 3 i3Wt1 REV2 OCT 118FfNEDlW JAFN INPRIME AU JAm c Routing the Primary Pre Transfer Transfer and Separation Corona Wire n primary corona assembly 1 Rem e the screw and detach the shield plate n sepiration assembly Remove the screw and open the shiel...

Page 256: ...tter 7 Pick the end of the corona wire tension spring using tweezers and hook it on the corona electrode Transfer I separation corona assembly Height adjusting roll EI correct wrong i I _l pire correct wrong Primary and Pre transfer corona assemblies yLZrcina wire p Corona wire correct wrong Figure 4 507 CDPVMtlT 0 lml CANON uc CANON NP3tWM AEY 1 OCT 1991 WINTED INJAPAN IMPRlME AU JAPON 4 51 ...

Page 257: ... with a loop to 1 mm or less using a cutter 4 Hook the loop on the stud shown in Figure 4 509 and route the wire in the order given n After 16 runs 5 Wind the end of the corona wire around the fixing icrew to fix it in place 6 Cut the excess corona wire to 1 mm or less using a cutter 7 Loosen the screw tightened temporarily in step 1 once again and move the block into the opposite direction of the...

Page 258: ...ure 4 510 are standard values refer to the label attached on the drum cartridge for individual machines i e use the values recorded on the label Pre Transfer Corona Assembly and Separation Corona Assembly Wires The height of the corona wire is fixed the value in Figure 4 510 is for reference only Transfer Corona Wire As a rule do not adjust the height If transfer problems occur check to make suret...

Page 259: ... unit 3 Push the bushing to the rear and detach the separation claw assembly Separation claw Figure 4 511 0 Bushing Figure 4 512 8 e 3 Y 3 I fakedare so that the tip of the separation 5 5 I claw will pot come into contact with the belt i T e extra carenot to damage the eeparatiohclaw after detaohmant 3 s 5 rrr Aftqr attaohingthe drum unit make sure p h the tip of the separation claw ts in 1 contac...

Page 260: ...ck developing assembly to the front with care then hold the bottom of the assembly and detach it Notei I _ _x I Dolhbthold the developing sembly as if to hoid the developktg cylinder from its bbth e E I i othe ej the toner m become juaed 1 _ 4 Detaching the Blade and the Developing Cylinder 1 Detach the developing assembly 2 Remove the self tapping screw and detach the grip 0 Self tapping screw 0 ...

Page 261: ...etach the blade together with the mount 0 Non magnetic screws 0 Blade Figure 4 604 7 Remove the self tapping screw and detach the electrode mount 4 56 coPvmGtll0 1981 CANON MC Electrode mount CjYI Developing roll 0 Ball bearing Figure 4 605 9 Remove the grip ring and detach gear A IO Remove the two screws and detach the gear unit 11 Detach gear B and the developing roll CANON NP3iWt40 RN 10 3 1991...

Page 262: ...the ball bearing together with the electrode plate at the rear Figure4 606 13 Remove the self tapping screw and detach the electrode plate rear together with the ball bearing 0 Ball bearing a Electrode plate rear Figure 4 607 14 Detach the developing cylinder Figure 4 606 COPYRlGHTO 1991 CANON INC CANON NP3tWWO AEyO AUG 1991 PRINTED IN JAPAN MPRIME AU dAP0N 4 57 ...

Page 263: ...the scraper vii Takecare pot to trap side al 2qnder the scraper _ Fs j s n 6 Push the blade lightly against the developing cylinder and lighten the screws in the order given in figure 4 610 Note I Viii n a y excessive force oi the cylin r tiiation will rag _ Figure 4 610 7 Turn the electrode plate at the rear in the direction of the arrow and fix it in place using a self tapping screw Note I 1 ix ...

Page 264: ...curvature of the container Figure 4 613 and the end of ttie container Figure 4 614 2 Keep the edge of side seal 2 a length of 1 mm away from the top face of seal 1 shown in Figure 4 613 and attach it flush with the end of the container shown in Figure 4 614 then fit the boss into the hole Side seal 1 Curvature of container 15 Attach the electrode plate at the front using a screw ptQ I s I I I _ xi...

Page 265: ... of the fixing assembly A clockwise turn of the pressure adjusting screw moves the lower roller into the direction of the arrow thereby increasing the roller pressure 2 Detaching the Fixing Assembly 1 Open the front door 2 Detach the delivery assembly 3 Remove the screw from the tape on the delivery assembly support 4 Remove the screw and detach the fixing assemtjly knob 5 Remove the screw and det...

Page 266: ... detach the fixing cleaning assembly 0 Screws 0 Fixing cleaning assembly Figure 4 705 3 Remove the screws 1 pc each and detach the four harness retainers then detach the tiewrap 4 Pull out the two fastons from the thermoswitch 5 Remove the screws 2 PCS each and detach the heater mount front rear then pull out the heater 0 Fastons 0 Heater mount Figure 4706 COPVGtGHTO 1991 CANONINC CANONNP305013ffl...

Page 267: ... the front and detach bearing together with the insulation bushing Note 3 _ I Handk ihe inet i bushingwith care it fra _ I li _ 0 C ring 0 Bearing 0 Insulation bushing Figure 4 708 10 Remove the C ring and detach the roller shaft gear and the electrode sliding plate at the rear 0 Roller shaft gear Drive gear 0 C ring Electrode sliding plate Figure 4 709 4 62 CoPvMtlT 0 l i CAN v YIC CANON NFW1JWO ...

Page 268: ...710 13 Lifl the lower roller off the bearing to detach 4 Attaching the Heater Donot touch the surface of the heater with bare hands Attach it so that the connector is at the rear or the print of the manufacturers name is at the front COPVRKiHl 0 189f CANONINC CANON NPJDS013WOREY 2 OCT 1941 PR NlED IN JAWN MPAIE AU JAPON I B hing Cut off short rear Busiing Cui off tong front Figure 4 711 6 Attachin...

Page 269: ...he leading edge of the copy paper comes out to the copy tray and open the front door 3 Wait 15 set and the fixing assembly knob clock hliseslightly them turn the knob further to remove the paper 4 Measure the width of the section shown in Figure 4 712 the toner on the section should be shiny 8 Position of Paper Guide The paper guide may be detached by sliding it to the front it may be attached by ...

Page 270: ...oller with a cleaning beIt impregnated with silicone oil The cleaning belt is 15 m in length a red band is printed on the belt 2 5 m fr m its end 2 Disassembly and Assembly a Detaching the Cleaning Belt 1 Detach the fixing assembly 2 Remove the mounting screw and detach the fixing cleaning assembly 3 Remove the screw 1 pc each and detach the two bushings of the fixing cleaning assembly then detach...

Page 271: ...e check to make sure that the section in contact with the roller is moist with oil Take up direction wind the be t on _ until a red band Belt take up shaft Figure 4 715 Note Make sure thqt the cteaiing b It is not j klyViand is fr r f I and v k x c Position of the Cleaning Belt Drive Solenoid SL2 Attach the solenoid so that the section shown in Figure 4 716 is 0 3 0 1 mm when the lever is moved in...

Page 272: ...st have a transparent side so that the face side of the DC controller can be seen through the bag Be sure lo make adjustments and enter settings in the service mode and re enter the user mode settings afler each replacement B Lithium Battery CAUTION Replace the lithium battery only with the one listed in the Parts Catalog Use of another battery may present a risk of fire or explosion The battery m...

Page 273: ...t or ammonium gas avoid direct sunlight and install curtains if necessary Exposure to direct sunlight can disrupt the auto paper selection and auto reproduction selection mechanisms n Make sure that the room is well ventilated H Although the level of ozone generated by the machine will not affect the health of the indi viduals some may find it unpleasant n Make sure that the pedestal s feet are in...

Page 274: ...lowing are set in the main body Cassette The size or number varies by specification 2 Open the shipping box and take out the parts and accessories Check that all of the following are available Drum unit Copy tray Documentstand mountingscrew 2 M4X20 Operator sManual Installationcheck list 3 Slide out four hand grips from the machine See the respectiveINSTALLATIONPROCEDURE lift the machine and place...

Page 275: ...INSTALLATION i I I COPVRKiHl 0 WI CANON itiC CANON NP3DSDflWO REV2 OCT 1991 PRINTED IN JAMN IMPRIME AU JAWN 5 3 ...

Page 276: ...users option mode in the e wfl lR 6 Resize the cassette as desired by the user See the ihstructions in RE SIZING THE then set paper and set the cassette in the CASETTE coprer Check that the ADD PAPER message goes OFF 7 Attach the documment tray and copy tray See Attaching the Document Tray 6 Wait until the supply operation is over then open the hopper 9 Check that the developing assembly is diseng...

Page 277: ...e external covers are free of scratches and deformations 7 Clean the site of installation 0 Move the machine to the site 9 Fill out the Service Sheet Make sure that there is no abnormal noise Black copy Two sided copy NP3050 only Overlay copy NP3050 only Manual feed copy Fixed ratio copies If the copy ima es are not correct make adjustments following the If8 AGE ADJUSTMENT BASIC PROCEDURE Make sur...

Page 278: ...1Keeo the CD unit in a box 3 Attach the dummy drum 4 Tape the corona assemblies feeder assembly release lever and lower feeder assembly release lever in place to protect against vibration 5 Tape the front door and delivery assembly door in place 6 Place a sheet of A3 or LGR paper on the copyboard glass and tape the copyboard Y Y cover in place 5 6 COPYRIGHT 1991 CANON INC CANON NP305013990 REV 1 A...

Page 279: ... screws from the left cover 0 Screws Two screws will not be used Figure 5 3 2 Attach the document trajl I Document tray 0 Mounting screws accessories Figure 5 4 COPVAIGHTO 1991 CANON INC CANON NPW3WO REV 1 AUG 1991 PRIMED INJAPAN IMPAIME AU JAPON 5 7 ...

Page 280: ... Korean 265mm xl90mm K 10 4 X7 5 84 257mm X364mm 84 1o i x14 3 Legal 216mm X356mm LGL 8 5W14 0 85 257mm X 182mm 85 ette bottom Figure 5 5 Bottom of Cassette 2 Relocate the rear guide plate in reference to the index on the bottom and fix it in place using a screw see Table 5 i Cassette bottom ar stopper plate III Figure 5 6 Size Rear stop plate 297mm X5420mm A3 7 X10 1 Argentine Legal 220mm X340mm ...

Page 281: ...om of the cassette 3 Detach the side stop plates from both cas settes the side stop plate Figure 5 7 4 Remove the screws that hold the partition plate Figure 5 8 5 Slide the partition plate to suit the desired paper size using the index on the bottom of the cassette Figure 5 9 COPYRIGHT 1991 CANONINC CANONNP905013030REM AUG 1991 PRlNTEDINJAPAN IMPRIMEAUJAPON 5 9 ...

Page 282: ...tt the partition plate against the slide stop plate and fix it in place using a screw Figure 5 10 6 Attach the side stop plate back in its original position 9 Set the cassette size tabs as shown in Table 5 2 _ U 3 Govement LETTER u s2 Argentine LETTER Korean Ledger Argentine LEGAL Foolscap Govement LEGAL Folio Aus Foolscap OFFICIO Ecuadorean OFFICIO Bolivian OFFICIO Table 5 2 5 10 cDPvRlctlT0 1981...

Page 283: ...er plate and Blanking plate Korean Ledger R 05R 0 Table 5 3 COPYRIGHT 1W CANON INC CANON NP305013030AEW AUG 1881 PRINTED INJAPAN IMPRIME AU JAPON Figure 5 11 Top View Cassette 11 Attach the size label on the cassette n If necessary use a blank label and write the size on it s 11 ...

Page 284: ...RNMENT LTR R FOOLSCAP FOLIO AUSTRALIAN FOOLSCAP KOREAN R ECUADORAN OFICIO BOLIVIAN OFICIO 5 12 COPVRIGHTO 1991 CANON INC 1 Remove the two rubber stops from the lifting plate Figure 5 12 2 Detach the lifting plate and the spring Figure Cl3 3 Replace the spring refer to Table 5 4 4 Attach the lifting plate and attach the rubber stops Lifting plate Figure 5 14 CANON NP305013WOREV 0 AUG 1991 PRINTED I...

Page 285: ...ng plate n Figure 5 15 body Detaching the Pick Up Roller If the cassette has been modified to accom modate Government Letter Korean Government or Korean Government R detach the pick up rollers shown below If Government LTR or Korean Government Figure 5 I 6 If Korean Government R Figure 5 17 COPWGHTO 1991 CANON INC CANON NP305013030REV 0 AUG 1991 PRINTED IN JAPAN IHPRIME AU JAPON 5 13 ...

Page 286: ...lace the transparent sheet over the opening in control panel a Transparent sheet Figure 5 19 8 Fix Control Card V on the control panel using four mounting screws At the time insert a card into Control Card V and fix Control Card V at a point where the card may be slid in and out smoothly 5 Turn over the control panel and detach the blanking plate 0 Holes for mounting screws Control card V Figure S...

Page 287: ...chine side INSTALLATION I 0 Shorting connector 4P connector Figure 5 23 12 Attach the control panel to the machine 13 Detach the protective sheet from the control panel label of Control Card V 14 Attach the control panel label of Control Card V on the control panel of the machine 0 Label Figure 5 24 15 Attach the MODE MEMO label removed in step 3 16 Switch the machine ON and check the oper ation o...

Page 288: ...nit 1 Open the machine s front door and insert the door switch actuator into the door switch assembly then switch the machine ON n Skip steps 2 through 4 if the unit will be used for red 2 Remove the two screws and detach the front cover of the CD unit Figure 6 26 3 Cut the lead wires of the resistors JP851 JP852 on the PCB to suit the color of the toner JP851 JP852 Figure 5 27 5 16 COPYRIGHT 0 19...

Page 289: ...times 8 Turn the supply mouth of the starter container counterclockwise to remove Figure 5 29 9 Detach the seal of the starter container Figure 5 30 10 Attach the supply mouth to the starter con tainer 11 Pour the starter into the developing cylinder of the CD unit evenly INSTALLATIONI Figure 5 31 12 Attach the top cover to the CD unit Top cover Figure 5 32 COPYRIGHT 1991 CANONINC CANONNP3050flU30...

Page 290: ... Figure 5 33 Figure 5 34 17 Push the machine s service mode switch using a hexagon key or the like The machine enters the service mode and indicates on the message display 18 Press S 4 and then S The machine enters the function mode 19 Press the COPY DENSITY key and select CD ROT 22 Press I to stop the rotation of the cylinder 23 Check that the main motor has stopped rotat ing then press the RESET...

Page 291: ...mark comes into view while holding the car tridge 29 Tap on the top of the cartridge lightly 30 Hold the tab on the cartridge and detach the cartridge while holding the CD unit 31 Close the toner supply mouth cover and fix it in place by engaging the two locks 32 Set the CD unit in the machine 33 Pull out the door switch actuator 34 Close the front door make color copies and check the images COPYR...

Page 292: ...e Arrange the replacement so that it coincides with a scheduled visit as of Sept 1991 No Park name Parts No o ty Life copies Remarks 1 Corona wire primaiy pre transfer transfer separation FY3 0030 000 40 000 1oov FY3 0040 000 40 000 115Vi23OV _ Copies produced using the CD unit I I I 1 10 Filter scanner cooling fan FCl 4217 000 1 200 000 or 1 yr COPVflfdil 0 lsol CANON NC CANON NP3OWSMO REV2 0 3 1...

Page 293: ... 300 000 20 Scanner drive cable FA6 9295000 1 500 000 21 Halogen heater fixing assembly FH7 431 E 000 1 500 000 1oov FH7 4319 000 1 500 000 115v FH7 4320 000 1 500 000 230V 22 Upper roller bearing fixing assembly XG9 0161 000 2 500 000 23 Lower roller bearing fixing assembly XG9 0200 000 2 500 000 t Note s I I _ I _ The z ove values a estimates only and are subjedt ng has on fielc d a _ _ 6 2 CUPV...

Page 294: ...OPCS 2 Vertical pathroller FA6 3636 000 2 300 000 D Paper Deck Pedestal D1 r Partsname asofJune l991 PartsNo Q ty Life copies Remarks FA5 2654 020 4 100 000 FL9 0015000 2 t 100 000 3 Separation roller FL9 0010 000 2 100 000 _ 4 Registration roller FCl 0126 000 1 1 000 000 COPVRIGHTO 1991 CANON INC CANON NP305013030 REV 1 AUG 1991 PRINTEOINJAPAN lMPRIME AUJAWN 6 3 ...

Page 295: ...t y Life copies Remarks 1 Pick up roller FF9 1003 000 2 100 000 2 Feederroller FL9 0015 000 1 100 000 3 Separation roller FL9 0010 000 1 100 000 4 Registration roller FA5 8434 000 1 300 000 6 4 COPYRIGHT 1991 CANONINC CANG NP305WWOREVO AUG 1991 PfitNTEDINJAPAN IMPfiIHEAUJAPON ...

Page 296: ... Corona wire Dry wipe each using lint free Grid wire paper then use alcohol Shield plate 6 Clean the transfer guide 7 Clean the separation feeder assembly Separation claw Feeder belt Feeder guide ________ _ _ a Clean the fixing deliver assembly Fixing roller upper lower Inlet guide Separation claw upper lower Cleaning belt check Static elrminator Detach the drum unit Clean each then attach the dru...

Page 297: ... Replace X Oil 0 Adjust Inspect or clean Servicing intervals 2z 42 6T lo 3l 2oe o Remarks xternal Copyboard glass 1 A 1 I I I I I Ozone filter I I I 1 0 1 I or t yr I 6 6 cDPvflKw 0 19alCMDNNC CANON l 3BOi WlREV 1 OCT 1991PMED DIJAPAIl IMPMME AUJAPDiI ...

Page 298: ... Oil 0 Adjust 0 Inspect or clean Remarks For the CD unit the intervals are based on the number of copies made using the CD unit COPYRIGHT 0 1991 CANON INC CANON NPWlflU30 REV2 OCT l l PRINTED IN JAWIN YPtliilE AU JAFW 6 7 ...

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Page 301: ...II 2 I h J90 i JBO i DC power c nn nr nnfinn DC controller coior Code BK BLACK BL BLVE BR BROWN GY GRAY GN GREEN OR ORANGE PK PINK R RED SB SKY BLUE V VIOLET W WHlTE Y YELLOW Motor driver YG YELLOW GREEN 9ocurnent size etectlon A 3 ...

Page 302: ...FILTER B FL1 Manual lee I I Control panel t 4 2 1 2 3 4 J204 QQQQ Blankexposure lamp 1001 CANCMHC WON NP3QMI3WOREV20Cl 1991 F H EDINJA UN YFWMEA JJARW ...

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Page 338: ...lNo r Shape Rank Remarks t Door switch TKtj 0093 A actuator Q t Front door Spring gauge CK 0054 B For checking pressure of YH cassette spring 11 For adjusting lens drive cable 0 to 15009 3 Replacement CK 0426 B For detaching grip ring blade for stop 4 9mm ring pliers CoPvMGtl10 lwl CANON MC CMK N NP3OSWSWOREV 1 OCT 1991 PMNTED INJAPAN IYPRIYE AU JAFON A 41 ...

Page 339: ...a wires 3 Heat resistant grease Lubricating the drive mechanisms e g copyboard driving gear fixing drive gear fixing ass y etc CANON Tool No CK 0427 500g can Equivalent grease can be used but should be able to withstand 200 C for extended periods of time 4 Lubricating oil low viscosity Lubrication points Scanner rail etc Locally Tool No CK 0451 100 Equivalent oil can be used IS0 VG 66 Oil ESSO Feb...

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Canon NP3030, Service Manual

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