Canon GP215 Service Manual Download

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C. Digital Image Processing

1. Outline

The digital image processing block serves to process image signals from various functions boards. See

Figure 3-304 for a block diagram of various image processing functions:

Figure 3-304

Analog
processor
PCB

Shading
correction

Total processing

. Reproduction ratio

. Slant

. Mirror image

. Repeat

. Folding

. Edge emphasis

. Smoothing

. Negative/
positive reversal

. Framing

. Blanking

Area signal
generation

Synthesis

Density
processing

Binary
processing

OCRE / IP Board

Laser driver
PCB

Image processor PCB

D/A
conversion

3–33

3. OPERATIONS AND TIMING

Summary of Contents for GP215

Page 2: ...CANON INC JAPAN AND IS FOR REFERENCE USE ONLY SPECIFICATIONS AND OTHER INFORMATION CONTAINED HEREIN MAY VARY SLIGHTLY FROM ACTUAL MACHINE VALUES OR THOSE FOUND IN ADVERTISING AND OTHER PRINTED MATTER...

Page 3: ...just the GP215 GP200 CHAPTER 5 Installation provides points to note when selecting the site of installation and instruc tions on how to install the GP215 GP200 CHAPTER 6 Maintenance and Inspection pro...

Page 4: ...me models Projector GP215F w fax function GP215 w o fax function GP200F w fax function w o duplexing function GP200 w o fax function w o duplexing function Cassette Feeding Unit L1 Cassette Feeding Un...

Page 5: ...nce of Operations original exposure system 3 22 D Scanner Motor 3 23 E Controlling the Scanning Lamp 3 24 F Identifying the Size of Originals 3 26 III IMAGE PROCESSING 3 29 A Outline 3 29 B Analog Ima...

Page 6: ...III DRIVE ASSEMBLY 4 8 A Scanner Drive Assembly 4 8 B Fixing Drive Assembly 4 13 C Duplexing Unit Inlet Motor Mount Assembly 4 14 D Set Back Roller Motor Assembly 4 14 E Pick Up Drive Assembly 4 15 IV...

Page 7: ...2 C GENERAL CIRCUIT DIAGRAM A 3 D DC CONTROLLER CIRCUIT DIAGRAM A 7 E ANALOG PROCESSOR CIRCUIT DIAGRAM A 20 F LASER DRIVER CIRCUIT DIAGRAM A 24 G PICK UP UNIT CIRCUIT DIAGRAM A 26 H CASSETTE SIZE DETE...

Page 8: ......

Page 9: ...ONS 1 2 III NAMES OF PARTS 1 8 A External View 1 8 B Cross Section 1 10 C Arrangement of Extension Boards 1 12 IV OPERATION 1 13 A Turning On the Power Switches 1 13 B Control Panel 1 14 C Basic Opera...

Page 10: ......

Page 11: ...achine is appreciably quieter than the existing models for a better office environment With the help of its power saving design the power consumption is 4 W or less in sleep mode about 1 25 of existin...

Page 12: ...rescent lamp Lens Lens array Photosensitive medium OPC Item Specifications Copying Indirect electrophotographic Charging AC roller charging Exposure Spot laser Copy density adjustment Automatic or man...

Page 13: ...9 sec or less from control panel power on sleep to start of copying fax model First copy GP215 9 2 sec or less shortest mode Continuous copying 100 copies Copy size Cassette pick up A3 297 420 mm max...

Page 14: ...sheets 80 g m2 Delivery tray 100 sheets approx 80 g m2 Leading trailing edge 2 5 mm in Direct Left right 2 5 mm in Direct Auto clear Provided Auto shut off Provided 2 min standard may be varied betwee...

Page 15: ...or less sound power level Standby 40 dB or less sound power level Ozone 0 01 ppm or less average 0 02 ppm or less max Width 585 mm pedestal copyboard cover Depth 700 mm pedestal ADF Height 571 mm ped...

Page 16: ...e Copies min Direct A3 297 420mm A3 12 A4 210 297mm A4 21 A4R 297 210mm A4R 16 A5 148 5 210mm A5 22 A5R 210 148 5mm A5R 22 B4 267 364mm B4 13 B5 182 257mm B5 22 B5R 257 182mm B5R 18 Reduce II A3 A5 A5...

Page 17: ...1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON 1 GENERAL DESCRIPTION Ratio Size Copies min DIRECT LTR 20 11 17 11 LGL 14 LTRR 17 STMT 22 STMT R 20 REDUCE LGL LTRR 17...

Page 18: ...al delivery tray for RDF t Multifeeder Model with ADF F1 as Standard Figure 1 302 y Main power switch u Cassette Feeding Unit L1 option i Front door o ADF F1 0 Original delivery tray for ADF 9 10 FIG...

Page 19: ...bly releas ing lever t Developing assembly y Feeding assembly releasing lever u Drum unit i Fixing assembly releasing lever opening o Door switch assembly 0 Power saving mode switch SLEEP 1 top Quick...

Page 20: ...15 Figure 1 304 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 21 22 23 24 25 26 27 28 29 30 31 32 33 20 35 36 37 38 39 34 COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IM...

Page 21: ...tte pick up feeding upper 1 Cassette 2 separation roller 2 Cassette 2 feeding roller 3 Cassette 2 pick up roller 4 Cassette 1 separation roller 5 Cassette 1 feeding roller 6 Cassette 1 pick up roller...

Page 22: ...IP Board r FAX Motherboard t Printer board 1 10 9 8 7 6 5 2 3 4 COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON 1 12 1 GENERAL DESCRIPTION y System Motherbo...

Page 23: ...You must first turn on the main power switch and then the control panel switch whenever you are turn ing on both switches Figure 1 401 q Control panel power switch w Main power switch e Main power sup...

Page 24: ...PRINT I F ON OFF 1 2 3 4 5 6 7 8 9 0 C 1 2 3 4 6 5 7 8 9 10 11 12 FAX OPTIONS Clear Start Stop Reset Guide User mode COPY COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPR...

Page 25: ...he Fax Service Manual Ready to send RESOL DIRECT STANDARD STD TEXT AUTO RX DEN SITY IMAGE QUALITY CODED DIALING SPECIAL FEATURES FAX MONITOR ON HOOK REDIAL 00 00 Ready to copy 100 AUTO 1 R 1 1 E ZOOM...

Page 26: ...Multi page Enlarge SORTER Sort Staple Sort Group only if sorting unit is installed PAPER Auto paper selection stack bypass cassette SELECT REC Transp INTERLVING SHIFT MAREGIN FRAME ERASE TWO PAGE SEP...

Page 27: ...ous copying a Stop key b Reset key c Interrupt key d Copy Density key from AE to manual 3 Interrupting On Going Copying If you want to make copies of a different origi nal while making a large number...

Page 28: ...e you must enter a 4 digit ID num ber to make copies As many as 100 ID numbers may be stored and you can check the count number of copies made by number for control of copying volume by group a Settin...

Page 29: ...ION TRANSP INTERLIVING SHEET OVERLAY DIF SIZE ORIGINAL AREA DESIG FRAME ERASE IMAGE CREATION IMAGE COMB IMAGE SEPARATION MODE MEMORY REC DONE SHARPNESS SHIFT MARGIN 1 19 COPYRIGHT 1996 CANON INC CANON...

Page 30: ...ADF for thin paper originals Requires an RDF Requires a projector Requires an RDF Next screen Stack bypass Select Center Shift Corner Shift 8 direc tions Keypad Setting SHEET OVERLAY BOOK OVERLAY Lef...

Page 31: ...ner shift you may select one from eight directions You can lay two images on the same side of a single sheet of copy paper in any of three ways Making an overlay copy from two one sided ordinals Makin...

Page 32: ...m2 or less You may move an image to the front or the rear in sub scanning direction by specifying a distance so as to create a margin on the left right of the output The binding width may be adjusted...

Page 33: ...mage Create key You can reduce two or four originals to copy on a single sheet of copy paper For details see the Operator s Manual as the specifics vary depending on the copier model and options confi...

Page 34: ...f each mode key You can recall a copying mode which has been stored previously for use as many as three modes may be recalled You can opt for automatic switching to sort mode when an original is place...

Page 35: ...ting mode Do not return To return to the mode before auto clear Use it to specify whether originals of differ ent feeding widths will be placed in the feed er in non copier mode ON To place originals...

Page 36: ...d paper and recycled paper 2 each of AB and Inch configurations default sizes only You may select up to 16 paper icons Use it to register the cassette for envelopes and the type of envelope As many as...

Page 37: ...l panel power switch 5 10 20 30 min 1 to 8 hr use service mode 5 SHUT_OFF to turn ON OFF auto sleep time setting Use it to set the time between key operation and start of the Basic screen automaticall...

Page 38: ...Fine Adjustment Exposure Recalb Feeder Cleaning Roller Cleaning Description Use it to fine adjust slight discrepancies noted between original and copy sizes in relation to vertical and horizontal repr...

Page 39: ...m with a cloth moistened with a solu tion of mild detergent then dry wipe them Advise the user to perform the following when image faults e g vertical white spots are noted 1 Clean the charging roller...

Page 40: ...1 603 on some covers of the machine take extra care when ser vicing mechanisms under such covers Figure 1 603 COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPO...

Page 41: ...and small amounts of dye If toner comes into contact with the skin or clothing remove it with dry tissue and wash with water Do not use hot water as such will turn the toner into gel and cause it to...

Page 42: ......

Page 43: ...IME AU JAPON I IMAGE FORMATION 2 1 A Outline 2 1 B Latent Image Formation Block 2 2 C Pre Exposure step 1 2 3 D Primary Charging step 2 2 3 E Laser Exposure step 3 2 4 F Development step 4 2 4 G Trans...

Page 44: ......

Page 45: ...paration 7 Fixing 8 Drum cleaning Registration Multifeeder Cassette Delivery Flow of copy paper Rotation of drum Copyboard glass Scanning lamp Lens Image processing assembly CCD Laser scanner assembly...

Page 46: ...sists of three steps at the end of which negative charges are left behind in the areas on the drum corre sponding to the white areas of the original and negative charges are removed from the areas on...

Page 47: ...de of conducting rubber so as to charge the photosensitive drum directly for primary charging The use of direct charging requires less applica tion voltage than conventional corona charging and produc...

Page 48: ...fixed magnet and a cylinder rotating around it and a magnetic blade The main ingredients of the toner are mag netite and resins The toner has insulating prop erties and is charged to a negative poten...

Page 49: ...itive component of the developing bias and the drum surface poten tial G Transfer step 5 Figure 2 111 Positive charges are applied to the back of the copy paper by the transfer roller to transfer the...

Page 50: ...ure 2 112 H Separation step 6 Figure 2 113 The GP215 200 takes advantage of the rigidi ty of copy paper to separate paper from the drum curvature separation Since thin paper has little rigidity it ten...

Page 51: ...ing assembly thereby preventing overheating The fixing cleaning roller is made of aluminum and is kept in contact with the lower fixing roller to remove toner from the lower fixing roller It also serv...

Page 52: ...tely prior to delivery holds residual charges from transfer and a static elimi nator grounded brush is provided at the delivery slot to remove such charges COPYRIGHT 1996 CANON INC CANON GP215 200 REV...

Page 53: ...Roller Cleaning Mechanism 3 73 I Detecing Errors on the Composite Power Supply PCB 3 74 VI PICK UP FEEDING SYSTEM 3 76 A Outline 3 76 B Pick Up from the Cassette 3 79 C Non Pick Up Operation standby...

Page 54: ......

Page 55: ...inal illumination Laser driver Laser scanner Drum Charging Developing Drum cleaning Pick up control Sepa ration Feeding Fixing Delivery tray Multifeeder Cassette 1 Cassette 2 Image I F Control system...

Page 56: ...C1 IC2 IC564 IC650 IC651 IC528 Description Controls image processing Controls laser operation Controls job schedules Controls fax sequence Controls system memory Detects errors Controls DC controller...

Page 57: ...trols the laser scanner motor Detects jams Controls service mode Controls the IPC Controls the sorter Controls fixing Controls the main motor Controls the scanner motor Detects the cassette paper Dete...

Page 58: ...RDF ADF Communication control device DC loads Laser scanner motor Main motor M M CORE IP Board Selector Memory Memory HVT circuit DC power supply circuit Serial communication Serial communication IC5...

Page 59: ...cuit Memory controller Coding decoding Modem Selector Command conversion circuit Video controller LAN controller DP RAM DP RAM Memory CPU SCSI CPU IPC CPU NCU CPU Control panel Image processor PCB Ana...

Page 60: ...upply PCB option Composite power supply PCB J210 J201 1 5 1 3 FL1 Scanning lamp Drum DC power supply circuit Scanning lamp control HVT J209 J102 J208 1 2 4 5 J220 J206 4 T502 J206 1 J205 3 J205 3 Prim...

Page 61: ...he main power switch is ON BD input J183 Power saving mode switch J91 J603 J602 J518 J519 Power supply indicator LED Laser driver PCB Checks are not meant for the field J111 J509 DC controller PCB Che...

Page 62: ...sor 1 Original size sensor 2 Original size sensor 3 Original size sensor 4 D S Z 2 D S Z 1 D S Z 3 D S Z 4 5 V 5 V 5 V 5 V See p 3 26 FAX Motherboard G3 FAX Board Checks are not meant for the field Im...

Page 63: ...CPU PCB Switching PCB Touch panel LCD Control panel power supply switch LCD intensity VR One touch dial cover open closed detection LCD back light power supply BKLTON When 0 the back light turns 5V J...

Page 64: ...TDT When the scanner is at home position 1 The light blocking plate is at PS1 When PS2 has detected the fixing film 1 The light blocking plate is at PS2 When the copyboard or the feeder is closed 1 Th...

Page 65: ...at PS12 When PS13 has detected paper 0 The light blocking plate is not at PS13 When PS14 has detected the edge of paper 0 The light blocking plate is not at PS14 Detects the width of copy paper stacke...

Page 66: ...0 Lower cassette paper level detection 1 Upper cassette delivery detection Lower cassette delivery detection TEP TH1 TH2 UCSPD LCSPD 1RPD0 2RPD0 1RPD1 2RPD1 J114 5V A10 J114 A11 J122 1 J122 3 J122 2...

Page 67: ...r driver PCB 24V 0V 5V MMD MLCK 24V 0V J114 B4 B6 B7 B5 J116 1 2 3 4 5 J112 6 7 8 5 J109 8 9 10 11 12 13 24V24V J103 8 9 6 7 10 11 24V24V J105 B6 B7 B4 B5 B8 B9 24V24V J105 A8 A9 A6 A7 A10 A11 24V24V...

Page 68: ...pick up clutch 24VU J113 B1 B2 J114 B12 B13 J103 4 5 J105 A4 A5 J107 A7 A8 J107 A9 A10 J107 B1 B2 J113 B3 B4 J112 9 10 FMD1 When 0 CL1 turns ON When 0 CL2 turns ON When 0 CL4 turns ON When 0 CL1 turns...

Page 69: ...CNT 3 Counter 115 230V only 24VU PEXP CNT1D CNT2D CL3D SL2D CND3D Counts when 0 Counts when 0 CL3 turns ON when 0 SL2 turns ON when 0 Counts when 0 J107 B5 B6 Turns ON when 0 Vertical path roller clut...

Page 70: ...urned to the drive circuit thereby maintaining the rotation of the motor 3 Controlling the Speed The main motor M1 is a DC motor with a built in clock pulse generator which generates clock pulses MMCL...

Page 71: ...Hall IC output Output pulse Encoder 24V 0V MMD MLCK J114 B6 J114 B7 DC controller PCB Composite power supply PCB Reference signal Main motor driver PCB 3 17 COPYRIGHT 1996 CANON INC CANON GP215 200 RE...

Page 72: ...ertical path roller paper sensor PS8 Pre registration paper sensor PS5 Registration clutch CL1 Primary charging roller bias DC component Primary charging roller bias AC component Transfer charging rol...

Page 73: ...ard varies depending on the selected reproduction ratio While the scanner is moving in reverse From the end of SCRV until copy paper moves past the delivery sensor Purpose Measures the resistance of t...

Page 74: ...igure 3 202 its construction Figure 3 201 Original exposure system Image processing system Lens Analog processor PCB CCD Image processor PCB Photo sensitive drum Scanning lamp No 1 mirror No 2 mirror...

Page 75: ...anner motor M2 Scanner home position sensor PS1 Forward Reverse Mirror mount No 1 mirror mount 3 21 COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON 3 OPERATI...

Page 76: ...ub scanning direction on the other hand is changed by moving the mir ror mount faster reduction or slower enlargement C Sequence of Operations original exposure system Figure 3 203 Scanner motor M2 Sc...

Page 77: ...d rotation speed The motor controller circuit operates according to the instructions of the CPU and sends pulse signals to the power control circuit The power control circuit in turn supplies power to...

Page 78: ...nsity of the scanning lamp Figure 3 206 Scanning lamp ON circuit Scanning lamp pre heat circuit T101 T501 FLPWM MPCLK FLPRTH Q605 CPU Composite power supply PCB Scanning lamp fluorescent lamp DC contr...

Page 79: ...pply PCB The logic circuit uses these two signals to generate the scanning lamp ON signal thereby turning ON the scanning lamp 4 Controlling the Intensity The FLPWM signal is a pulse signal used to co...

Page 80: ...ize data obtained by this mechanism is used for the following Auto paper selection Auto ratio selection COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON 3 26...

Page 81: ...208 This way of identifying the size enables identi fication of the size of black originals as well In the case of a b described below however the output level will remain unchanged In the case of c...

Page 82: ...rection As such the size is identified when the original is picked up the sizes that can be detected are any of the following default sizes A configured A5 A4 A4R A3 B configured B5 B5R B4 Inch config...

Page 83: ...igure 3 301 Analog processor PCB Image processor PCB Laser driver PCB CCD A D conversion circuit Shading correction circuit Image processing circuit Laser driver circuit G3 FAX Board NCU D A conversio...

Page 84: ...y processing for copy images D A conversion Binary processing for fax images Reproduction ratio processing for fax images and printer default transmission Coding decoding Rotation Protocol control Pro...

Page 85: ...pixels and the odd number pixels are sent separately The CCD drive circuit synthe sizes the signals coming separately in even number units and odd number units for output to the A D con version circu...

Page 86: ...every main scanning line Figure 3 303 b ABC auto background control Circuit The ABC circuit operates if priority to speed is selected as part of AE auto density mechanism set tings image signals afte...

Page 87: ...rocessor PCB Shading correction Total processing Reproduction ratio Slant Mirror image Repeat Folding Edge emphasis Smoothing Negative positive reversal Framing Blanking Area signal generation Synthes...

Page 88: ...s the target value for shading correction Figure 3 305 b Shading Correction Shading correction is executed for every scan ning of an original In this type of correction the light of the scan ning lamp...

Page 89: ...ment in user mode in 0 1 increments For instance for adjustment width 1 both X and Y 50 51 100 101 400 401 3 35 COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAP...

Page 90: ...b c a b c Original Main scanning direction Sub scanning direction Copy Shift in sub scannig direction Copy Principle When data for a single scanning line is read from line memory reading is started w...

Page 91: ...the top and bottom and left and right will be identical the area will be moved to X1 and Y1 Reference Xm Xmax X2 X1 2 Ym Ymax Y2 Y1 2 e Free Shift The coordinates X1 Y1 of a specific area is moved to...

Page 92: ...r Breadthwise Direction c copy paper width original width 2 d copy paper width original width If the reproduction ratio in lengthwise direction and that in breadthwise direction are different the smal...

Page 93: ...eversing function when feeding originals thereby changing the order of the originals making it instead of normal Executed in reduced copying only May be executed for two sided copying Since the ADF do...

Page 94: ...rlay copying Combines the following Reduced copying Image shifting Overlay copying Uses the RDF s reversing function when feeding originals thereby chang ing the order of the originals making it inste...

Page 95: ...g 8 outputs q 2 on 1 Generating 2 Outputs The image original width of continuous 2 on 1 is divided vertically for output The image original length of continuous 2 on 1 is divided horizontally for outp...

Page 96: ...ank Figure 3 318 r 4 on 1 Two Sided Generating 8 Outputs No number of effective areas of the last original is specified i e the same as in the case of 4 on 1 gen erating 4 outputs Figure 3 319 1 8 7 6...

Page 97: ...s started at address S when address E is reached a return is made to address S A specific image is repeated by repeating these operations Figure 3 323 1 2 3 4 5 6 7 Reading Adress 2 1 n n n Image sign...

Page 98: ...for a single scan from RAM the start address is shifted for each read ing thereby slanting the image Figure 3 327 Address 12345678 nnn 1 2 Image signal 1 pixel 1 byte Reading 1st line 2nd line 3rd lin...

Page 99: ...effect may be used to make moire less conspicuous Figure 3 328c shows the output level occurring when sharpness mode strong is selected In sharpness mode strong the variations in the density of an ima...

Page 100: ...Characters after Outline Processing When image data input is as shown in Figure 3 331 the CPU assumes the presence of a photo and does not initiate outline processing Figure 3 331 Image Data of a Pho...

Page 101: ...oints may be specified Framing The signals representing non specified areas are forced to represent white Figure 3 334 Framing Blanking As opposed to framing the signals represent ing the specified ar...

Page 102: ...ding to the following 1 Setting of the Copy Density key on the control panel 2 Results of AE measurement 3 Selection of text photo photo mode 4 Results of photosensitive drum resistance According to t...

Page 103: ...n density carrying light text or reversed text e Other Originals Originals with little variation in density e g photos Depending on the type of original one of the following three AE tables is selecte...

Page 104: ...ghlight areas than the median density MD retention method Binary processing is executed in text mode and text photo mode 8 D A Conversion The D A conversion circuit is used to convert multiple value i...

Page 105: ...While all this is taking place the laser beam is bent to an acute angle by the BD mirror located inside the laser scanner unit for the BD detection PCB Figure 3 401B When the 6 facet mirror rotates a...

Page 106: ...anner motor 6 facet mirror Laser unit Laser driver PCB BD mirror Imaging lens BD PCB Laser mirror Photosensitive drum Laser drive signal laser scanner motor drive signal COPYRIGHT 1996 CANON INC CANON...

Page 107: ...n relation to the BD signal to ensure that the image will be at a specific position on every copy For details on how the end of copy paper is detected see p 3 114 3 53 COPYRIGHT 1996 CANON INC CANON G...

Page 108: ...circuit The photo output voltage is sample held and compared against the reference voltage from the laser intensity setting circuit thereby determining the value of the laser bias current This laser b...

Page 109: ...for its respective mode as shown Photo output Laser output characteristics at temperature T1 Laser output characteristics at temperature T2 current Laser output Ib T1 Bias current for temperature T1 I...

Page 110: ...t this time the hall IC output signal returns from M3 for controlling the supply power used to rotate M3 The power supply timing is controlled so as to respect the phase of the rotation reference puls...

Page 111: ...r motor turns OFF as set in time to quiet mode If the time is set to 0 the rotation stops at the end of LSTR 3 57 COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU J...

Page 112: ...as Turning ON and OFF the fixing bias In addition to the high voltage transformer circuit the composite power supply PCB is equipped with lamp regulator and power supply circuit functions The discussi...

Page 113: ...S8 Registration clutch CL1 Primary charging roller bias DC component Primary charging roller bias AC component Transfer charging roller Separation static eliminator Developing bias DC component Develo...

Page 114: ...C CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON 3 60 3 OPERATIONS AND TIMING Figure 3 503 Composite power supply PCB Primary charging assembly Photo sensitive drum Drum ambient tem...

Page 115: ...ng the Primary Charging Roller Bias The output values of the DC bias and the AC bias applied to the primary charging roller are controlled by the DC control signal PDPWM and the AC control signal PAPW...

Page 116: ...to decrease because of changes over time To measure the resistance the surface of the photosensitive drum is charged to an even poten tial at a specific voltage DC AC The CPU on the composite power s...

Page 117: ...OPERATIONS AND TIMING Figure 3 504 T502 24VU 24VU 24VR 5V J209 B5 J209 B4 J102 B7 IC101 Q605 J209 A4 A9 J102 A1 A7 J102 B6 24VU T101 T101 Composite power supply PCB Transforemer increase circuit Const...

Page 118: ...ence Bias At times the transfer efficiency varies because of changes in the environment or in the resistance of the transfer charging roller To prevent deterioration of images by such variations the l...

Page 119: ...ansfer bias control signal TFW PWM and the transfer bias ON signal TFWON When the TFWON signal goes 0 the trans former T502 turns ON 3 Adjusting the Transfer Charging Roller Bias If image faults occur...

Page 120: ...ific voltage COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON 3 66 3 OPERATIONS AND TIMING Figure 3 506 5V J209 B8 J209 B3 J209 B9 J102 B3 J102 B8 J209 A4 A9...

Page 121: ...o a specific value 4 Turning ON and OFF the AC Component of the Developing Bias The developing AC drive circuit on the com posite power supply PCB receives drive pulse sig nals from the CPU Q605 When...

Page 122: ...ffers physically for copying on the first and second side of a two sided or an over lay copy To suit differences the separation static eliminator drive signal 1 2 is used to switch the bias voltage en...

Page 123: ...re of the lower fixing roller to prevent offset to the fixing film The terminal on the lower fixing roller shaft is for this purpose pay attention to the orientation of the lower roller if you have re...

Page 124: ...ensor while the developing clutch CL4 remains ON It then computes the period during which the toner sensor output remained ON to issue a message to initiate toner supply See Table 3 502 and Figure 3 5...

Page 125: ...nt signal occurring as a result of stirring the toner is referred to as T1 The sum of period from the start of the next toner absent signal until the end of the toner absent sig nal is referred to as...

Page 126: ...the waste toner sensor lever there by causing the waste toner sensor PS10 to turn ON and OFF alternately The DC controller PCB monitors the output of the waste toner sensor for about 8 sec after the...

Page 127: ...aning is executed under the following conditions During last rotation after the end of copying operation when making 50 or more copies continuous ly During last rotation when the cumulative number of...

Page 128: ...t the same time the results are sent to the image processor PCB to indicate an error code on the con trol panel When an E coded is indicated the machine may be reset by turning ON and OFF the main pow...

Page 129: ...controller PCB E803 will be indicated on the control panel An error has occurred in the commu nication between the DC controller PCB and the composite power supply PCB and the communication data is no...

Page 130: ...parts and Figure 3 602 shows the arrangement of motors as well as clutches and solenoids electrical output parts The figures do not cover the cassette drive system COPYRIGHT 1996 CANON INC CANON GP21...

Page 131: ...PS8 Q1604 Q1605 Fixing assembly Feeding assembly Photosensitive drum Regiatration roller Multifeeder pick up roller Vertical path roller 3 77 COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996...

Page 132: ...roller PCB Main motor driver PCB COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON 3 78 3 OPERATIONS AND TIMING No Name CL1 Registration roller clutch CL2 Mult...

Page 133: ...the pre registration roller is from the main motor M1 switched by turning ON and OFF the vertical path roller clutch CL3 The drive of the registration roller is from the main motor M1 coming by way o...

Page 134: ...nit Cassette pck up roller drive motor Gear Registration roller Cassette pick up PCB Main motor pre registration roller Feeding roller Pick up roller Lifter Vertical path roller 2 Separetion roller Ve...

Page 135: ...PAN IMPRIME AU JAPON 3 OPERATIONS AND TIMING Notation Name Signal Jack Q1604 Upper cassette paper sensor LCSPD J105 10 Q1605 Lower cassette paper sensor LCSPD J105 11 Q1606 Upper cassette paper level...

Page 136: ...OPERATIONS AND TIMING Figure 3 604 Sensors on the Cassette Pick Up PCB Note The sensor Q1603 is not used in the copier s pick up unit J1604 J1605 J1602 J1601 J1603 1 4 4 1 4 1 1 3 B12 A1 B1 A12 J1606...

Page 137: ...ner motor M2 Registration clutch CL1 Vertical path roller paper sensor PS8 Cassette 1 pick up solenoid SL2 Cassette pick up roller drive motor M4 Vertical path roller clutch CL3 Registration roller pa...

Page 138: ...ement ends when the cassette runs out of copy paper 1 As copy paper runs out the movement of the pick up roller increases Figure 3 605 2 The stack surface lowers further and the pick up roller shaft l...

Page 139: ...f the pick up roller shaft will also increase the spring pulls the lever to restrain the cam Figure 3 608 Feeding roller Pick up roller Lever Spring Lifter Copy paper Lifter up Pick up roller shaft Le...

Page 140: ...sed to let the lifter down Caution If the main power supply is cut off while the lifter is moving up the claw used to move up the lifter can hold up the lifter while remaining in contact with the lift...

Page 141: ...l q The pick up roller is rotated by the drive of the pick up motor M4 coming by way of gears The cas sette pick up motor rotates clockwise or counterclockwise to drive the upper lower cassette w When...

Page 142: ...assette pick up motor rotating CCW Cassette pick up roller M4 Feeding roller Pick up roller Separation roller Gear 1 Cassette pick up motor M4 Gear 1 Separation roller Pick up roller Feeding roller CO...

Page 143: ...1 to make a single rotation 2 The single rotation of the cam causes the pick up lever to swing 3 As the lever swings the pick up roller shaft lowers once to come into contact with the copy paper and...

Page 144: ...late blocks the respective photointerrupter Q1604 for the upper cassette Q1605 for the lower cassette thereby indicating the absence of paper inside the cassette Figure 3 614 shows the state in which...

Page 145: ...er Figure 3 615 Movement of the Lever 1 When the Cassette is Slid In b Lifter Up When the main power is turned ON with the cassette inside the machine or the cassette is slid in dur ing standby the pi...

Page 146: ...Roller Releasing the Separation Roller A boss is provided on the lever 1 used to push down the separation roller assembly Since the lever 1 rotates when the cassette is slid out the pressure between t...

Page 147: ...lly when paper fully runs out the cassette paper sensor Q1604 for upper detects the absence of paper Figure 3 620 Full of copy paper Out of cop paper Lifter condition Gear an level sensor Figure 3 621...

Page 148: ...control panel COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON 3 94 3 OPERATIONS AND TIMING 1 The light blocking plate is over the sensor 0 The light blockin...

Page 149: ...etween AB and Inch configurations Based on the detected size of copy paper the machine determines the distance over which to move the scanner and the area of laser exposure Figure 3 622 Location of th...

Page 150: ...g Sub scanning direction mm direction mm AB A4 210 148 A5R 148 210 A4 297 210 A4R 210 297 A3 297 420 B5 257 182 B5R 182 257 B4 257 364 U1 FLSO 216 330 OFICIO 216 317 A OFI 220 340 E OFI 220 320 B OFI...

Page 151: ...ch may be used after registering default sizes of the user s choice in user mode An icon may be selected to represent the SPECIAL cassette for display on the control panel For details see the Operator...

Page 152: ...to a mode in which five types of envelopes may be registered If the option envelope kit is not installed to the uppermost cassette the machine will not feed envelopes Table 3 607 Envelope Sizes Figur...

Page 153: ...ince the size guide plates are not equipped with a sensor you must set the aforementioned rotary switch cor rectly Figure 3 626 Upper Lower Cassette Size Figure 3 627 Side Guide Plate Side guide plate...

Page 154: ...py paper is picked up and fed to the registration roller This series of operations is repeated for each pick up opera tion Figure 3 627 1 J114 B6 J114 B8 J114 B13 PRDSD MFCD M1 Main motor driver PCB C...

Page 155: ...ration The rear front registration for pick up in the multifeeder is by adjusting the screw on the slide guide For details see the Service Handbook Detecting the Length of Paper The length of paper is...

Page 156: ...Multifeeder relay releasing solenoid SL3 Multifeeder pick up clutch CL2 Copy Start Key ON Pre registration roller sensor PS5 Registration roller clutch CL1 Main motor M1 COPYRIGHT 1996 CANON INC CANO...

Page 157: ...paper Shift mm Copy paper on copy tray one sided original one sided copy B one sided original copying on 1st side A two sided copy copying on 2nd side B two sided original copying on 1st side A two si...

Page 158: ...lecting plate 1 counter clockwise The paper deflecting plate 1 solenoid SL5 turns OFF so that the paper deflecting plate 1 is restrained by the force of the spring Figure 3 628 1 SL5 SL5 M8 M8 ON OFF...

Page 159: ...rical parts and the DC controller PCB Figure 3 628 2 Jack in the signal line on the DC controller PCB Table 3 608 SCFW SCRV LSTR SCFW SCRV LSTR Fixing rear paper sensor PS7 Paper deflecting plate 1 so...

Page 160: ...r sensor PS7 For the second side of a two sided copy the delivery roller rotates clock wise then the copy paper is discharged COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN...

Page 161: ...edge of copy paper has moved past the delivery sensor Figure 3 630 shows the sequence of operations when making two sided copies 3 107 COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED...

Page 162: ...e stacked in a staggered pattern by the set back method and re picked up for copying on the second side In the set back mechanism sheets of copy paper are stacked in a staggered pattern so that double...

Page 163: ...per in the Lower Feeding Assembly 3 109 COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON 3 OPERATIONS AND TIMING Sizes Q ty Paper sizes mm main sub scanning d...

Page 164: ...oves past the lower feeding assembly inlet sensor 3 If the copy paper is A4 or larger SL4 operates the flapper to prevent the copy paper from moving to the re pick up roller PS12 SL4 PS11 Set back rol...

Page 165: ...rations as many as 20 sheets of copy paper are stacked in the lower feed ing assembly i e 20 sheets of LTR A4 G LTR K LGL B5 A5 or STMT PS12 2nd copy paper 1st copy paper Set back roller Re pick up ro...

Page 166: ...er feeding assembly inlet roller motor M7 Lower feeding assembly inlet sensor PS12 Set back roller motor M6 Flapper solenoid SL4 Re pick up front paper sensor PS11 Main motor M1 1 1 1 1 1 1 CW CCW CW...

Page 167: ...first sheet moves through the re pick up roller and the second and subsequent sheets will be moved to on the flapper plate Figure 3 633 3 When the trailing edge of the first copy paper moves past the...

Page 168: ...he vertical path roller assembly and con sists of the horizontal registration sensor PS14 and the horizontal registration motor M9 The horizontal registration motor M9 is used to drive the horizontal...

Page 169: ...r rear front registration detection 1 The set back roller motor may turn ON OFF depending on the copy count 2 The re pick up flapper solenoid may turn ON depending on the copy count 3 The re pick up s...

Page 170: ...15 DC controller PCB Set back rollers Re pick up roller COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON 3 116 3 OPERATIONS AND TIMING Electrical parts M1 Mai...

Page 171: ...mory is shifted thereby moving the position of laser exposure This is not to physically move the position of the sensor If the image is displaced to the rear decrease the value Figure 3 637 If the ima...

Page 172: ...nal HTRD to control the temperature of the fixing heater The rear end of the fixing heater is also equipped with a thermistor TH2 to check for overheating of the end The machine is designed as such th...

Page 173: ...to 20th copy 225 C 21st to 30th copy 215 C 31st to 40th copy 210 C 41st to 50th copy 200 C 51st to 100th copy 190 C Control w 1st to 4th copy 225 C 5th to 6th copy 220 C 7th to 20th copy 215 C 31st t...

Page 174: ...51st to 100th copy 180 C c If the temperature is 140 C or more at copy start control is exerted so that the tempera ture will be 180 C at all times 1st to 100th 180 C Note that a less than 100 C at co...

Page 175: ...Caution The fixing heater resistance is entered in service mode at the factory do not change it unless you have replaced the fixing assembly The power to the fixing heater is controlled by means of p...

Page 176: ...protection mechanisms to prevent malfunction of the fixing heater a Thermistor TH1 tH2 1 The microprocessor on the DC controller monitors the voltage of the thermistor TH1 TH2 if it detects overheati...

Page 177: ...n the front door is open If the power is turned on in this condition the fixing film can become displaced or the fixing heater can become damaged Be sure to keep the roller locked when working with th...

Page 178: ...m is detect ed the DC controller rotates the fixing film motor to move the rear of the tension roller up and down thereby moving the fixing film to the center and correcting the displacement If the fi...

Page 179: ...stepping motor rotated by pulse signals A A B B Figure 3 646 M6 DC controller PCB 24V 109 8 109 9 109 10 A 109 11 A 109 12 B 109 13 B I O CPU 3 125 COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY...

Page 180: ...xing cover is absent use this side Figure 3 649 If the fixing cover is present use this side Figure 3 648 COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON 3 1...

Page 181: ...o move it in the direction of the lower feeding assembly face down delivery unit A specific period of time after the leading edge of copy paper has moved past the lower feeding assembly inlet paper se...

Page 182: ...pecific period of time passes the lower feeding assembly inlet motor M7 starts to rotate in reverse A spe cific period of time thereafter the delivery motor M8 turns ON for face down delivery A specif...

Page 183: ...o the lower feeding assembly Figure 3 654 Movement of the Paper Deflecting Plate 1 SL5 SL5 ON OFF Feeding copy paper from the fixing assembly to the lower feeding assembly SCFW SCRV LSTR CW CCW Regist...

Page 184: ...n the control panel COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON 3 130 3 OPERATIONS AND TIMING Figure 3 655 Jack in the signal line on the DC controller P...

Page 185: ...f the front door right door or delivery door is opened during copying or when the cassette is slid out 3 Sequence of Operations a Pick Up Delay Jam A delay jam will be identified if copy paper does no...

Page 186: ...of time after the multiple pick up clutch CL2 has turned ON Figure 3 657 Multiple pick up clutch CL2 Pre registration sensor jam check Pre registration sensor PS5 Main motor M1 Copy Start key ON Pick...

Page 187: ...sensor PS6 within a specific period of time after the registration roller clutch CL1 has turned ON Figure 3 659 Sequence for Separation Sensor Delay Jams Registration roller clutch CL1 Separation sens...

Page 188: ...es not reach the delivery sensor PS13 within a specific period of time after it has moved past the fixing rear paper sensor PS7 Figure 3 661 Sequence for Delivery Delay Jams SCFW SCRV SCFW SCRV LSTR M...

Page 189: ...e 3 662 Sequence for Delivery Sensor Stationary Jams Note The distance varies according to the length of copy paper SCFW SCRV LSTR Delivery sensor PS13 Delivery sensor jam check Main motor M1 Jam mess...

Page 190: ...opying SCFW SCRV SCRV LSTR SCFW Fixing rear paper sensor PS7 Delivery paper deflecting plate 2 solenoid SL5 Delivery sensor PS13 Delivery roller motor M8 Lower feeding assembly inlet sensor jam check...

Page 191: ...Re Pick Up Delay Jams normal Figure 3 666 Sequence for Re Pick Up Delay Jams error SCRV LSTR Jam message Normal Lower feeding assembly inlet sensor PS12 Re pick up paper sensor jam check Re pick up se...

Page 192: ...ry the copier will operate using the effective copying mode and make the remaining number of copies once the jam has been removed Reference If the message Return Original and Press Start appears on th...

Page 193: ...FM4 3 139 COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON 3 OPERATIONS AND TIMING No Name Orientation Function FM1 Feeding fan Drawing Keeps copy paper on t...

Page 194: ...N Control panel power switch OFF 1 2 1 Quite mode is set to either 1 through 9 min the operation occurs when A key is pressed An original is placed in the feeder or The copyboard cover or the feeder i...

Page 195: ...Printer Board or the like is installed will not be cut In power saving mode FAX reception is enabled When a communication arrives the CI signal is generated within the NCU The CI signal is sent to th...

Page 196: ...mory NCU System power supply System Motherboard CPU CPU CPU CPU CPU Printer Board Network I F Board Multi Output Tray B2 RF Main power switch Front door switch Laser driver PCB DC controller PCB DC po...

Page 197: ...ard Image memory Page memory NCU System power supply System Motherboard CPU CPU CPU CPU CPU Printer Board Network I F Board Multi Output Tray B2 RF Main power switch Front door switch Laser driver PCB...

Page 198: ...ard Image memory Page memory NCU System power supply System Motherboard CPU CPU CPU CPU CPU Printer Board Network I F Board Multi Output Tray B2 RF Main power switch Front door switch Laser driver PCB...

Page 199: ...reserva tions e g timer polling timer reporting When there is no reception document When there is no document waiting for printing During on hook When there is no Printer Board When the power saving s...

Page 200: ...n are enabled e g timer transmission reception printing Incoming call detection Off hook Control panel power switch ON There is no transmission reservations There is no timer operation reservations ti...

Page 201: ...zed and the machine executes initial rotation INTR1 initial rotation 1 Since the CPU on the image processor PCB does not recognize the selection of no sound incoming mode the machine generates a sound...

Page 202: ...er fax or printer are executed continuously Specifically a copier image fax image and printer image may be placed alternately on copy paper while it is being fed continuously thereby executing three t...

Page 203: ...point about 20 mm from home posi tion and the original is read while it is being moved stream reading You must place the originals face down and they will be read starting with the first page To colla...

Page 204: ...ST J503 J504 J501 J501 J505 J5011 Image processor PCB CORE IP Board Scanner Board FAX Mother board FAX Board Network Interface Board Protocol controller PCB System Motherboard Printer Board COPYRIGHT...

Page 205: ...als by an ED method error diffusion i e binary processing resolu tion conversion and reproduction ratio processing You may install an CIST Board equipped with the ability to convert printer images to...

Page 206: ...nverts printer commands from a personal computer to control the print er system of the GP215 GP200 to support GP215 GP200 specific multiple cassette functions not found in a configuration consisting o...

Page 207: ...CSI Board Standard memory 5 MB Expansion memory 5MB 3 153 COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON 3 OPERATIONS AND TIMING Interface SCSI II Maximum o...

Page 208: ...oduction ratio Edge emphasis Reversal Synthesis Density correction Binary processing PD D A conversion Laser SCSI board Density correction Expansion memory Memory Memory memory controller Rotation Smo...

Page 209: ...er Expansion memory Memory Memory Rotation Binary processing ED Resolution conversion reproduction ratio CIST FAX Board NCU Telephone line Rotation Coding decoding Modem Protocol Controller Board memo...

Page 210: ...memory Memory Rotation SCSI controller Host computer Binary processing ED Resolution conversion reproduction ratio CIST CORE IP Board FAX Board Protocol Controller Board NCU Telephone line Rotation Co...

Page 211: ...mory controller Rotation Smoothing SCSI controller Host computer Binary processing ED Resolution conversion reproduction ratio CIST CORE IP Board FAX Board Protocol Controller Board Rotation Coding de...

Page 212: ...rolled by the CPU or the input output signals to and from options Adjustment Mode Indicates items adjusted in service mode and allows changes to settings Function Mode Executes machine operations Indi...

Page 213: ...de Menu screen initial screen 5 Press the appropriate item to highlight 6 Press the OK key to bring up the first screen of the selected screen 2 Keys You will be using the following keys Page Forward...

Page 214: ...e cleared the RAM If you replaced the image processor PCB or the composite power supply PCB be sure to enter the set tings recorded on the respective label You need not do so when you have replaced on...

Page 215: ...ey on the other hand brings up the previous screen A press on the key will bring up the Menu screen 1 Temperature Indication 1st screen CANCEL OK 1 DISPLAY 01 DRAM TH xxxx C MAIN_TH xxxx C SUB_TH xxxx...

Page 216: ...G HHHHHH IIIII AA BBBB CCCC DDDD E FFFF G HHHHHH IIIII AA BBBB CCCC DDDD E FFFF G HHHHHH IIIII AA BBBB CCCC DDDD E FFFF G HHHHHH IIIII AA BBBB CCCC DDDD E FFFF G HHHHHH IIIII AA BBBB CCCC DDDD E FFFF...

Page 217: ...cal path sensor PS8 03 vertical path sensor pedestal Q1603 32 fixing delivery sensor PS7 33 delivery sensor PS13 34 delivery tray 2 paper sensor multi tray 3 PS17 35 delivery tray 3 paper sensor multi...

Page 218: ...de Sensor Delay Stationary Residual 01 02 10 Delivery sensor PS13 33 0133 0233 1033 Multitray 3 deliv ery tray 2 paper sensor PS17 34 0134 0234 1034 Multi tray 3 delivery tray 3 paper sensor PS18 35 0...

Page 219: ...aper absent Original pulled out Registration delay jam Pick up delay Registration delay Reversal delay 1 Reversal stationary Reversal delay 2 Reversal paper present Reversal pick up delay Reversal pic...

Page 220: ...th screen Copier Related Alarm CANCEL OK 1 DISPLAY 03 BODY DF ST ERR xxx xx xx ALRM xxx xx xx Item ERR ALRM BODY DF ST Description See the descriptions Table7 103 for self diagnosis E code See the tab...

Page 221: ...egistration sen sor PI2 do not turn ON 2 sec after the main motor M1 has turned ON 1st original only The last original is detected before feeding the number of originals identified by the jam recovery...

Page 222: ...circulating lever idle swing Pick up fault Conditions The re circulating lever swung idly without coming into contact with an original immediately after the re cir culating motor M4 has started to ope...

Page 223: ...original is of a size different from the first original q When executing fax mode with out resetting after copying mode w When making a copy in the middle of fax operation or when making a copy witho...

Page 224: ...ops upon detection over stacking Display Indicates a mes sage on the copier s control panel Resetting Remove all paper from the bin Code 10H Nature Partial fault Cause An error occurred in the bin uni...

Page 225: ...s run out of staples Operation Stops stapling Stops stapling Finishes sorting but stops without stapling Operates nor mally Finishes sorting but stops without stapling Indicates a mes sage if stapler...

Page 226: ...LANG POWER_C PU Description Indicates the version number of the ROM DIMM on the image processor PCB Indicates the version number of the EPROM IC103 IC104 on the DC controller PCB Indicates the versio...

Page 227: ...installed and therefore no indication appears in the absence of such a board CANCEL OK 1 DISPLAY 05 PRCNT xxxx NIB xxxx PS PCL xxxx SCSI xxxx Item PRCNT NIB PS PCL SCSI Description Indicates the versi...

Page 228: ...ates the code of a specific key that is being pressed except the Reset key See the next page Indicates the size of the original detected by the ADF or the RDF Indicates the editor input coordinates ED...

Page 229: ...e Code 30 31 32 33 34 35 36 37 38 39 50 51 2A 23 3A 53 54 03 One Touch key 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Code 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 One Touch...

Page 230: ...CST 6 xxxxx x xxxxx xx SW P SENS DET REMAIN A D P SENS SIZE Item MULTI A D P SENS SIZE SW DET REMAIN CST 1 CST 2 CST 3 CST 4 CST 5 CST 6 Descriptions Refers to the multifeeder Indicates the output an...

Page 231: ...B4 U1 FLSC OFICIO A OFI E OFI B OFI A LGL U2 FOLIO U3 A FLS SPECAL1 SPECAL2 Envelope 1 Cassette absent STMT STMTR LTR A LTR LTRR A LTRR LGL 11 17 U4 G LTR U5 G LTRR U6 G LGL U7 K LGL U8 K LGLR SPECAL...

Page 232: ...age Processor PCB 1st screen Guide to the Screen IP PA0 XXXXXXX bit 7 bit 0 CANCEL OK 2 I O DISPLAY 01 IP PA0 xxxxxxxx IP PB0 xxxxxxxx IP PC0 xxxxxxxx IP PA1 xxxxxxxx IP PB1 xxxxxxxx IP PC1 xxxxxxxx I...

Page 233: ...ON 2 PCB internal signal 3 PCB internal signal 4 PCB internal signal 5 PCB internal signal 6 PCB internal signal 7 PCB internal signal 0 1 2 PCB internal signal 3 PCB internal signal 4 PCB internal si...

Page 234: ...3 CS 4 LD RS 5 CLK 6 SIN UD 7 PRESCAN 0 bias ON 1 power SW 0 2 marker ON 3 PAD OFF 4 power SW1 5 area signal switching 6 Not used 7 Post ratio change reversal switching Signal Jack Logic CCD control C...

Page 235: ...22 CSZ23 CSZ24 Jack J109 3 J113 B9 J113 A11 J113 A5 J109 6 J114 10 J114 A11 J114 A12 J114 A2 J113 A8 J113 B6 J117 7 J114 B7 J112 6 J110 2 J110 3 J110 4 J110 5 J110 6 J110 8 J110 9 J110 10 J110 11 J110...

Page 236: ...id 13 paper deflecting plate 2 sole noid 14 delivery assembly paper deflecting plate solenoid 15 bin 3 flapper solenoid 0 pick up motor drive 1 pick up motor drive 2 pick up motor drive 3 pick up moto...

Page 237: ...ternal signal 3 scanner motor drive PCB internal signal 4 scanner motor drive PCB internal signal 5 scanner motor drive PCB internal signal 6 scanning reference signal PCB internal signal 7 scanning r...

Page 238: ...g roller clean ing solenoid 4 counter 3 drive 115 230V model 5 electrical unit fan drive option 6 exhaust fan 1 half speed PCB internal signal 7 laser fan half speed PCB internal signal 8 electrical u...

Page 239: ...ce clock 7 developing AC drive 0 scanner motor reference clock PCB internal signal 1 scanner motor CW CCW rota tion PCB internal signal 2 composite power supply PCB communication signal 3 zero cross 4...

Page 240: ...RINTED IN JAPAN IMPRIME AU JAPON 3 186 3 OPERATIONS AND TIMING 4 Gate Array Input Output of the DC Controller PCB CANCEL OK 2 I O DISPLAY 04 ICSW2 xxxxxxxxxxxxxxxx ICSW4 xxxxxxxxxxxxxxxx ICSW5 xxxxxxx...

Page 241: ...xxxx DF P7 xxxxxxxx DF P8 xxxxxxxx DF P9 xxxxxxxx DF PA xxxxxxxx DF PB xxxxxxxx DF P0 xxxxxxxx DF ExPA xxxxxxxx DF ExPB xxxxxxxx DF ExPO xxxxxxxx Ports for RDF Indicated when an RDF is connected Ports...

Page 242: ...y paper sensor LED1 7 registration sensor LED2 0 belt motor clock sensor S10 1 feeding motor clock sensor S9 2 registration roller clock sensor S11 4 PCB internal signal 4 PCB internal signal 5 Not us...

Page 243: ...retaining solenoid SL2 0 push switch SW1 1 push switch SW2 2 push switch SW3 3 re circulation sensor S13 4 upper cover switch MS2 5 RDF switch MS1 6 PCB internal signal 7 0 LED PCB internal signal 1 L...

Page 244: ...motor drive A 2 main motor drive B 3 main motor drive B 4 motor current control 5 paper stopper plate solenoid SL1 6 stamping solenoid SL2 7 PCB internal signal 0 original leading edge signal 1 PCB i...

Page 245: ...signal 3 PCB internal signal 4 PCB internal signal 5 PCB internal signal 6 PCB internal signal 7 PCB internal signal 0 original width detection 2 1 original width detection 1 2 original width detecti...

Page 246: ...AD3 DF AD4 DF AD5 DF DA0 DF DA1 Indication Original sensor S1 Registration sensor S3 Original width volume VR1 Not used Not used Not used Original tray sensor LED1 ON signal Registration sensor LED3...

Page 247: ...P215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON 3 OPERATIONS AND TIMING 7 Input Output Port 1 of the Sorter CANCEL OK 2 I O DISPLAY 07 ST A xxxxxxxx ST B xxxxxxxx ST C xxxxxxxx ST EX A xxxx...

Page 248: ...l signal Not used PCB internal signal Bin feeding motor clock PI2 Not used Tray feeding motor clock PI6 Lead cam HP sensor PI1 PCB internal signal Bin unit delivery sensor P3 Not used Not used Not use...

Page 249: ...ss ST EX C Indication Not used PCB internal signal PCB internal signal Tray B paper detection PI11 Tray A paper detection PI10 Tray B discharge paper detection PI9 Tray A delivery detection PI8 Tray f...

Page 250: ...ANCEL OK 2 I O DISPLAY 08 ST AD0 xxH ST AD1 xxH ST AD2 xxH ST AD3 xxH ST AD4 xxH ST AD5 xxH ST AD6 xxH ST AD7 xxH Address ST AD0 ST AD1 ST AD2 ST AD3 ST AD4 ST AD5 ST AD6 ST AD7 Indication 24V monitor...

Page 251: ...n the main power switch 1 Fine Adjusting and Entering the Multifeeder Paper Width Basic Setting CANCEL OK 3 ADJUST 01 MF A6R xxxxx xxxxx MF A4R xxxxx xxxxx MF A4 xxxxx xxxxx Item MF A6R MF A4R MF A4 D...

Page 252: ...RNS no IMG PRI AC IMG PRI AC no IMG Description Indicates the primary charging DC out put effective when an image is exposed Indicates the primary charging DC out put between sheets Indicates the deve...

Page 253: ...ST2 TRSN OFFST FL OFST DEV DC OFST Description Indicate APVC gain Indicates APVC offset Indicates primary charging DC offset Indicate primary charging AC offset 1 Indicates primary charging AC offset...

Page 254: ...x Settings 0 500 0 1000 0 1000 Item H ADJ V ADJ RESIST Remarks unit 1mm approx at 23 unit 1mm approx at 23 Standard 2 5 1 0 mm Index rear Copyboard glass CCD Description Use it to fine adjust the CCD...

Page 255: ...en displaced to the rear or front If the displacement is to the rear decrease the value in units of 23 a sin gle unit being equivalent to 1 mm If the displacement is to the front increase the value in...

Page 256: ...ing multifeeder pick up for factory use 5 Scanner Cassette and Laser Related Items CANCEL OK 3 ADJUST 05 IC DENS xxxxx xxxxx CST LOOP xxxxx xxxxx MF LOOP xxxxx xxxxx DENS ADJ xxxxx xxxxx LASER OFF xxx...

Page 257: ...tches on the stan dard white plate can cause noticeable white vertical lines on copies If such is the case shift the point of measurement in ADJ S Use it to adjust the laser OFF timing trailing edge U...

Page 258: ...o adjust the copy image density Use it to enter the resistance of the fixing assembly If you have replaced the fixing assembly enter the value recorded on the label attached to the fixing assembly Use...

Page 259: ...ner stop position in ADF F1 stream reading mode Make adjustments if the copy image is too light in stream reading mode using the ADF F1 Use it to decrease the setting if the back ground of the origina...

Page 260: ...x xxxxx W PLT xxxxx xxxxx Item PPR W LTP Description Indicates the standard white paper data density data of the standard white paper Indicates the standard white plate data density data of the standa...

Page 261: ...on Use it to adjust the transfer roller bias occur ring when copying on the 1st side Use it to adjust the transfer roller bias occur ring when copying on the 2nd side of a two sided copy Use it to adj...

Page 262: ...e previous screen Press the item notation for operation or auto adjustment to highlight Press the key to execute the selected item Press the key to return to the Menu screen A press on the and a key o...

Page 263: ...K STOP OK JUMP Item Stirring toner inside the devel oping assembly at installation Description Press START on the screen to highlight then press the OK key to start stirring the toner inside the devel...

Page 264: ...xxxxxxxxxx Press to execute Status indication Results of measurement under each item AUTO SHADING START OK START CANCEL OK 4 FUNCTION 03 AUTO SHADING START OK START WB xxxxH WP xxxxH LAMP xxxxH GDA1 x...

Page 265: ...ty auto correction Description 1 Press PD PRINT to highlight then press the Copy Start key A 15 gradation test pattern will be generated 2 Place a blank sheet of paper the whitest of all used by the u...

Page 266: ...Item 200PWM density auto correc tion Description 1 Press 200PWM PRIT to highlight and press the Copy Start key A 15 gradation test pattern will be generated 2 Place a black sheet of paper whitest of...

Page 267: ...Check the value of A B and D Insert 5 If the values are as indicated press DATA SET to highlight and press the OK key 6 600PWM Density Auto Correction This mode must be executed in combination with PD...

Page 268: ...under AD xxx as soon as the side guide is adjusted to A6R Then press MF A6R to highlight and press the OK key The value will be stored under MF A6R 3 Likewise place and A4R sheet in the multifeeder a...

Page 269: ...ss LCD CHK to highlight 2 Press the OK key The entire face of the LCD reverses white video keys and notations disappear 3 Press the area where the OK key was shown The entire face of the LCD reverses...

Page 270: ...OK 4 FUNCTION 09 LSR MRR OK START OFF OK JUMP Item LSR MRR checking laser scanner motor operation OFF stopping operation Description 1 Press LSR MMR to highlight then press the OK key The laser scann...

Page 271: ...TEST4 OK START L TEST5 OK START L TEST6 OK START L TEST7 OK START JUMP Item Test print output Description Select the desired test print press the item to high light then press the OK key L TEST1 soli...

Page 272: ...se it to check for fogging If fogging is noted suspect a fault in the photosensitive drum developing system or laser system r r 17 gradation test print Use it to check gradation and check for fog ging...

Page 273: ...se it to check straight lines If a discrepancy is noted suspect a dis placed laser beam or a fault in beam detec tion u u L TST7 horizontal line test print Use it to check straight lines If a discrepa...

Page 274: ...D TIMING 11 Checking the Image Processor PCB CANCEL OK 4 FUNCTION 11 IP CHK OK START xx JUMP Item Image processor PCB self check Description 1 Press IP CHK to highlight 2 Press the OK key to start a c...

Page 275: ...D SHADING START OK START WB xxxxH WP xxxxH LAMP xxxxH GDA1 xxH GD2 xxH CDA3 xxH CDA4 xxH ADDA5 xxH D ODD xxH D EVN xxH Now xxxxxxxxxxxxx JUMP Item R D factory shading auto cor rection Description 1 Pl...

Page 276: ...move the connec tor cover for servicing then connect the copi er to a PC with an RS232C cable e Insert the handle of the static eliminator clean ing brush into the fixing assembly releasing assembly t...

Page 277: ...is mode the fixing film is rotated idly with the fixing tension roller being held in place after return ing the film to an appropriate position same as in FILMCOMEBACK While the fixing film is rotated...

Page 278: ...ve drum resistance measurement Description 1 Brig up the screen and press the Copy Start key The resistance of the photosensitive drum will be measured and the result will be indicated Execute this mo...

Page 279: ...PON 3 OPERATIONS AND TIMING 16 Resetting the Jam History CANCEL OK 4 FUNCTION 16 JAM_RLS OK CLEAR Item Resetting jam history Description Use this mode to collectively reset the jam histories shown und...

Page 280: ...EAR OK CLEAR x JUMP Item Initializing RAM Description Press the appropriate item to highlight then press the Clear key and press the OK key COPY Select it to initialize the data needed for the copier...

Page 281: ...the Parameters CANCEL OK 4 FUNCTION 18 PRM_PRINT OK START Item Use it to print out the contents of service mode 3 5 and 6 however the machine must be installed with a FAX Board Description 1 Press PRM...

Page 282: ...5 OPTION 1 COPY LIM 100 100 000 SHUT_OFF OFF 1 0 0 IM ANGLE 0 0 COIN_OPERT 0 0 DRM_MSG 0 0 Item COPY LIM SHUT_OFF IM ANGLE COIN_OPERT DRM_MSG Function Use it to change the upper limit imposed on the...

Page 283: ...the resistance of the photosensitive drum Description 0 19200 baud 1 9600 baud 0 If the paper size dial of the cassette is set to the envelope index the cassette will not be identified as an envelope...

Page 284: ...f 1 Switching the fixing temperature the thick paper mode is supported 2 The fixing temperature is switched so that paper thicker than that supported under 1 may be supported However for 1 and 2 the i...

Page 285: ...ssette paper name Use it to specify the U1 size cassette paper name abbreviation Description 0 If the paper size dial of the cassette is set to U1 U1 will be indicated on the LCD 1 If the paper size d...

Page 286: ...5 U5 0 0 0 CST U6 U6 0 0 0 CST U7 U7 0 0 0 CST U8 U8 0 0 0 Item CST U2 CST U3 CST U4 CST U5 CST U6 CST U7 CST U8 Function Use it to turn on off the U size cassette name Description 0 If the paper size...

Page 287: ...ame notation for the LTR size cassette Use it to select the paper name notation for the LTRR size cassette Description 0 If the paper size dial of the cassette is set to LTR LTR will be indicated on t...

Page 288: ...NCEL OK 6 COUNTER 01 SERV_TOTAL1 xxxxx SERV_TOTAL2 xxxxx L_TOTALxxxxx L_MULTI xxxxx L_CAST1xxxxx L_CAST2xxxxx L_CAST3xxxxx L_CAST4xxxxx L_CAST5xxxxx L_CAST6xxxxx Indication SERV_TOTAL 1 SERV_TOTAL 2 L...

Page 289: ..._CAST6 Description Indicates the large size overlay copy 2nd side pick up count Indicates the large size two sided copy 2nd side pick up count Indicates the small size copy print count Indicates the s...

Page 290: ...COPY_L_PRINT FAX_L_PRINT PDL_L_PRINT ETC_L_PRINT COPY_S_PRINT FAX_S_PRINT PDL_S_PRINT ETC_S_PRINT Description Indicates the small size overlay copy 2nd side count Indicates the small size two sided 2...

Page 291: ...H_JAM xxxxx Indication L_ORG_FEED S_ORG_FEED SCAN_TOTAL COPY_SCAN FAX_SCAN PDL_SCAN ETC_SCAN PRINT_JAM DH_JAM Description Indicates the large size original pick up count Indicates the small size origi...

Page 292: ...e After operation turn off and then on the rear main power switch 1 Adjusting the Original Stop Position for the RDF This screen is effective only when an RDF is installed CANCEL OK 7 ACC 01 DOC_ST_T...

Page 293: ...OC_ST_B A higher setting will result in a shift to the trailing edge A lower setting will result in a shift to the leading edge In the case of P_INTRVL_T or P_INTRVL_B A higher setting will increase t...

Page 294: ...OK key 1 will appear under SENS_ADJ indicating taht automatic adjustment is being executed If 1 remains for 30 sec or more suspect a fault in the original tray sensor S1 regis tration sensor S3 or RF...

Page 295: ...it to adjust the origi nal feeding speed Description Compare copies made with an original on the copyboard glass and copies made using the ADF use this item so that the leading edge registration is co...

Page 296: ...speed dialing user data list etc effective only if equipped with fax functions 2 If the machine is equipped with fax functions execute PRM_PRNT 4 and take notes of the settings in user mode and others...

Page 297: ...4 Factory R D shading auto correction 3 FIXER REGST 3 FILM LANK 4 FILM_INIT_ROTATE Steps 1 Enter the values recorded on the label attached to the composite power supply PCB under the appropriate item...

Page 298: ...insert the handle of the separation static eliminator cleaning brush into the fixing assembly releasing opening Figure 3 1006 2 Insert the door switch actuator into the door switch assembly 3 Push th...

Page 299: ...010 5 Press FUCNTION on the Menu screen 84 to highlight then press the OK key 6 Press the Page key to bring up the 3rd screen 7 Execute shading auto correction See the descriptions for shading auto co...

Page 300: ...as follows If the values are not as shown start over at step 7 since the adjustment may have been wrong Reference A B and D are approximate values so that optimum images may still be obtained even if...

Page 301: ...the multifeeder and adjust the side guide to A6R Note A6 is what is obtained by folding A4 paper into four the width is 105 mm 9 When the side guide is adjusted to A6R the VR output value will be indi...

Page 302: ...Insert the door switch actuator into the door switch assembly 3 Press the service switch with a hex key will be indicated in the upper left corner of the LCD 4 Press the key twice The Service Mode Men...

Page 303: ...Updating Replace the ROM DIMM double inline memory module on the image processor or update it by downloading as discussed Downloading will update the ROM DIMM you must replace the following ROMs to up...

Page 304: ...nce RS232C cable Downloading 1 Turn off the main power switch 2 Open the front door and remove the connec tor cover for servicing connect the copier to the PC with an RS232C cable Figure 3 1024 3 Inse...

Page 305: ...s on the OK key will automatically shut down and boot the power When the machine boots up it will show the following screen to indicate that it is in downloading mode CANCEL OK 4 FUNCTION 13 IP DOWN L...

Page 306: ...modes may be adjusted in service mode and the concepts used for the modes are as follows 1 Priority on Speed Mode Use ABC_TBL under ADJUST in service mode 3 A lower value for ABC_TBL will make the te...

Page 307: ...fault at 20 upper right of Figure 3 1027 AE_DARK A higher setting will increase black a lower setting on the other hand will decrease black between 0 and 40 with the default at 20 Figure 3 1027 Figure...

Page 308: ...tch 3 Press the key twice and press I O DISPALY 2 to highlight then press the OK key 4 Press the Page key to select the screen showing the desired address No Name Tester probe Service mode Make checks...

Page 309: ...about 0 V Copy paper is not put over the sensor 1 about 5 V Copy paper is put over the sen sor 0 about 0 V No Name Tester probe Service mode Make checks nor mal if as indicated Display reading Tester...

Page 310: ...esent 1 about 5 V The sen sor flag is up the light blocking plate is absent 0 about 0 V the sen sor flag is down the light blocking plate is present 1 about 5 V The sen sor flag is up the light blocki...

Page 311: ...tmost of the NIB NO Does LED1 turn OFF in about 20 sec Re install the NIB and the Protocol Controller PCB Then turn OFF and then ON the main power switch while paying attention to LED1 leftmost on the...

Page 312: ...n according to the appropriate instructions in the service manual Suspect a fault in the reading system mirror lens CCD analog processor PCB etc Make a correction according to the appropriate instruct...

Page 313: ...rsion Rotation coding decoding Memory Printer Board Font ROM DRAM Video processing DRAM Analog processor PCB Image processor PCB CORE IP Board FAX Mother board System Mother board FAX Board NIB DRAM L...

Page 314: ......

Page 315: ...as been applied to the heater The sub thermistor TH2 detects less than 90 C for 200 ms 4 sec after voltage has been applied to the heater The main thermistor TH1 detects more than 250 C for 200 ms dur...

Page 316: ...horizontal registration home position detection mechanism fails Horizontal registration sensor PS14 faulty Horizontal registration motor M9 faulty DC controller PCB faulty Description The main thermi...

Page 317: ...Scanning lamp faulty Composite power supply PCB faulty DC controller PCB faulty An error in the communication with the DC controller PCB has occurred DC controller PCB faulty Image processor PCB faul...

Page 318: ...ion with the feeder has occurred An IC error has occurred sorter An error has occurred in communi cation with the pedestal An error has occurred in communi cation with the Copy Data Controller An erro...

Page 319: ...use ERR under DISPLAY in service mode 1 if this is the case In the case of E007 turning off and then on the main power switch will activate film recovery mode FILM_COMEBACK in service mode 4 thereby...

Page 320: ...aper sensor S1 faulty Registration sensor S3 faulty Description The communication is monitored at all times This error is identified when the communication with the copier is disrupted for 5 sec or mo...

Page 321: ...edestal motor M20 faulty Pedestal controller PCB faulty Description The communication IC Q101 on the pedestal controller PCB has gone out of order The rotation speed fails to reach a specific value wi...

Page 322: ...n sensor PI12 has a fault The guide bar drive motor M4 fails to rotate Description An error has occurred in the communication between the multi tray and the copier The bin unit feeding motor clock sen...

Page 323: ...tor connecting to the copier Code E531 E540 E713 Main cause The stapler motor M3 does not rotate The stapler swing motor M5 doe not rotate The bin shift motor M1 does not rotate The IC Q7 on the tray...

Page 324: ......

Page 325: ...4 30 VI DEVELOPING SYSTEM 4 32 A Developing Assembly 4 32 VII FIXING SYSTEM 4 34 A Fixing Assembly 4 34 VIII ELECTRICAL SYSTEM 4 37 A DC Controller PCB 4 37 B Composite Power Supply PCB 4 37 C Replac...

Page 326: ......

Page 327: ...ferring to the memory tx rx indicator on the control panel The memory tx rx lamp is ON when there is a fax memory image In such a case print out the mem ory image then turn OFF the power switch and di...

Page 328: ...Exercise care when using the harness retainer square bush to avoid biting the harnesses Figure 4 102 COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON 4 2 4 M...

Page 329: ...s that can be detached by sim ply removing their mounting screws and that can be removed on their own are omitted from the discussions 1 Removing the Right Cover Skip steps 4 and 5 if the lower right...

Page 330: ...e right cover r Figure 4 205 B Inside Cover 1 Remove the screw q and open the front door then shift and pull off the two pins w from the hinge to remove the front door Figure 4 206 2 Remove the screw...

Page 331: ...assembly in place Figure 4 208 5 Release the feeding assembly and remove the feeding lever u 1 top ring i and the registration roller knob o Figure 4 209 6 Slide out the upper cassette 7 Remove the f...

Page 332: ...he magnet plate from the top of the control panel 5 Remove the four screws r and remove and turn over the control panel e Caution Pay attention to the four connectors con nected to the control panel w...

Page 333: ...screws w and disengage the three hooks e to remove the fixing heat exhaust fan Figure 4 213 2 Scanner Cooling Fan 1 Remove the four screws and remove the rear cover 2 Disconnect the connector q and r...

Page 334: ...drive motor q Figure 4 301 2 Removing the Scanner Cable 1 Remove the following Copyboard glass Control panel Rear cover upper rear cover right cover left cover 2 Remove the metal fixings q front rear...

Page 335: ...4 Loosen the set screw r and remove the cable front rear Figure 4 304 4 4 9 COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON 4 MECHANICAL SYSTEM...

Page 336: ...and then tighten the set screw u of the drive pulley so that the tension of the scanner cables is even throughout 6 Fix the No 1 mirror mount and the scanner cable metal fixing in place i 7 Fix the c...

Page 337: ...3009 040 Figure 4 307 arranged for the front of the machine 1 Relocate the pins of the mirror positioning tool so that it may be used for the machine Figure 4 308 Note The pin A of the mirror positio...

Page 338: ...slide assembly of the No 1 mirror mount and the No 2 mirror mount Do the same for the rear side plate 3 Set the mirror positioning tool to the No 1 mirror mount and the No 2 mirror mount both front an...

Page 339: ...sion spring w and remove the fixing drive belt Figure 4 310 5 Remove the two screws and remove the con nector mount e found at the lower right of the rear of the copier 6 Remove the two screws t and d...

Page 340: ...unit inlet motor q Figure 4 313 D Set Back Roller Motor Assembly 1 Removing the Set Back Roller Motor Assembly 1 Disconnect the power plug and remove the following Rear cover 4 screws Flywheel 3 scre...

Page 341: ...ick Up drive Unit 1 Disconnect the power plug and remove the following Rear cover 4 screws Flywheel 3 screws Scanner cooling fan hook connector 2 Remove the pick up unit See p 4 13 3 Release the belt...

Page 342: ...s and disconnect the con nector then remove the multifeeder assem bly 3 Remove the two screws q from behind the machine Figure 4 319 4 Release the feeding lever and remove the three screws to remove t...

Page 343: ...5 Developing Clutch 1 Remove the rear cover 4 screws flywheel 3 screws and harness retainer high voltage cord 2 Remove the two screws and disconnect the connector e then remove the developing clutch...

Page 344: ...rounding screw t 6 Remove the four screws u and remove the pick up assembly y Figure 4 402 2 Removing the Pick Up Feeding Separation Roller 1 Slide out the cassette 2 Holding the knob assembly q pull...

Page 345: ...perform the following 1 Slide out the cassette from the holder to be adjusted 2 Remove the two screws w and remove the horizontal registration mount q Figure 4 405 3 Loosen the hex screw and move the...

Page 346: ...out the rolls e from the left and the right Figure 4 408 3 Remove the multifeeder assembly Reference When installing the multifeeder connector cover match the top first and push the bot tom in 2 Remo...

Page 347: ...Feeding Assembly 1 Removing the Feeding Assembly 1 Open the front door and remove the fixing inside cover then remove the fixing unit 4 connectors 1 screw 1 grounding screw 2 Remove the drum unit 3 D...

Page 348: ...ator e 5 Remove the feeding fan assembly r from the mount in the direction of the arrow Figure 4 414 6 Disconnect the connector t and remove the feeding belt y as if to displace it Figure 4 415 7 Rele...

Page 349: ...ctor of the lower feeding assembly and remove the lower feeding assembly Figure 4 418 E Registration Roller Assembly 1 Removing the Registration Roller 1 Remove the following DC controller PCB harness...

Page 350: ...r 1 Turn OFF the power and disconnect the power supply 2 Open the front cover 3 Open the delivery assembly and remove the delivery assembly connector cover Snap off the connector cover with a finger F...

Page 351: ...d Be sure to close the delivery assem bly after releasing the hook 2 Removing the Delivery assembly 1 Disconnect the connector 2 Open the delivery assembly and remove the screw w to remove the cable f...

Page 352: ...per deflecting plate 1 solenoid SL5 until it stops 4 Loosen the adjusting screw to adjust so that the gap between the steel core E ring and the solenoid frame is about 0 2 mm 5 Install the delivery as...

Page 353: ...surface of the scanning lamp is soiled dry wipe it 1 Disconnect the power plug 2 Remove the copyboard glass Figure 4 501 3 Remove the four screws and remove the rear cover 4 Remove the feeder unit or...

Page 354: ...transparent side of the lamp toward the reflecting plate 3 Do not touch the transparent side of the lamp Figure 4 505 8 Execute R D SHADING 12th screen in service mode 3 ADJUST shading for R D and fac...

Page 355: ...cable t to remove the CCD unit Figure 4 508 Caution Do not remove any paint locked screws Particularly never remove the screw y Figure 4 509 C IPU PCB 1 Removing the IP PCB 1 Remove the copyboard glas...

Page 356: ...hree screws and remove the fly wheel 4 Remove the cable guide by disengaging the hook assembly 5 Remove the two screws w and remove the scanner cooing fan duct 1 q by sliding it to the left Figure 4 5...

Page 357: ...4 514 3 Removing the BD PCB 1 Remove the laser scanner unit 2 Remove the two M2 screws and remove the BD PCB q Figure 4 515 4 Laser Driver Unit 1 Remove the laser scanner unit 2 Remove the two M3 scr...

Page 358: ...g its bottom Caution 1 Do not hold the developing assembly as if to sandwich the developing cylinder oth erwise such can encourage caking of the toner 2 After installing the developing assembly be sur...

Page 359: ...r hooks 3 then remove the developing assembly cover 1 Figure 4 604 2 Remove the two screws and remove the blade mount 4 Figure 4 605 4 5 2 1 3 3 4 33 COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JUL...

Page 360: ...separation claw so that the boss t matches the bushing y Figure 4 702 5 Slide the separation claw as shown and remove it starting with the side without a boss Figure 4 703 2 Removing the Fixing Unit...

Page 361: ...slide the upper fixing guide w to the rear to remove Figure 4 706 4 Removing the Cleaning Roller 1 Slide out the fixing unit 2 Remove the two screws q and remove the cleaning roller w Figure 4 707 5...

Page 362: ...eparation claw 7 Remove the lower fixing roller Caution The lower fixing roller shaft is in contact with an electrode at the rear of the machine and has a rear front orientation Install it with care s...

Page 363: ...ntroller PCB w Figure 4 801 B Composite Power Supply PCB 1 Removing the Composite Power Supply PCB 1 Remove the DC controller PCB 2 Remove the two screws and remove the con nector mount q 3 Remove the...

Page 364: ...four screws and the two flat cables and remove the CPU PCB y Figure 4 804 C Replacing the ROM DIMM image processor PCB 1 Removing the ROM DIMM 1 Turn OFF The main power switch 2 Disconnect the power c...

Page 365: ...hift the ROM DIMM in the direction of the arrow until a click is heard Figure 4 807 3 Install the covers that have been removed connect the power cord to the power outlet and turn ON the main switch 4...

Page 366: ......

Page 367: ...4 B Supplying Toner 5 6 C Stirring the Toner 5 8 D Installing the Drum Cartridge 5 10 E Installing the Cassettes 5 14 F Installing the Feeder 5 16 G Machine Specifications Setting Mode 5 5 18 H Fax S...

Page 368: ......

Page 369: ...r areas subject to dust or ammonium gas Avoid areas subject to direct rays of the sun as necessary provide curtains d The site must be well ventilated e The site must have a level floor so that all fe...

Page 370: ...or Servicing Work 170 cm min 180 cm min 6 5 cm 170 cm min 210 cm min 6 5 cm 170 cm min 200 cm min 6 5 cm COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON 5 2...

Page 371: ...lled condensation and a copier suffering from condensation can generate blank copies If the copier has been just moved from a cold place leave it alone at least for one hour without unpack ing it so t...

Page 372: ...e and take out the parts and mate rials Remove the scanner fixing screw from the outside of the lifter cover Slide out the cassette and remove the packing from inside Remarks Check to make sure that n...

Page 373: ...feeding assembly Turn the developing assembly locking lever in the direction of the arrow shown in the figure Remove the screws shown in the figure Keep the removed screws for installation of the drum...

Page 374: ...the toner cartridge several times Set the toner cartridge in the developing assembly and push it down until the opening knob comes off The toner cartridge will be locked to the developing assembly and...

Page 375: ...er will fall off Push the black cover of the devel oping assembly back into its orig inal position The toner cartridge will come off Remove the toner cartridge Push in the developing assembly until it...

Page 376: ...into the fixing assembly releasing lever assembly and lock the fixing assembly Insert the door switch actuator into the door switch assembly and turn ON the door switch Connect the power plug to the...

Page 377: ...anel LCD then press the key twice 3 Press FUCNTION 4 toe select then press the OK key 4 Press the key to turn pages to the Toner Stirring screen 5 Press START on the screen then press the OK key Toner...

Page 378: ...developing assembly lever Remove the static eliminator and clean with the special cleaning brush After cleaning put back the separation static eliminator Push it until a click is felt Remove the dust...

Page 379: ...ing the drum cover Do not remove the drum cover to prevent damage Hold the drum at its middle when taking it out of the box to prevent damage Check to make sure that the developing assembly is release...

Page 380: ...ve the two primary charging roller releasing rolls Hold the drum at its middle when taking it out of the box to prevent damage Check to make sure that the developing assembly is released insert the dr...

Page 381: ...viously Fill out the label and attach the label to the front cover of the drum unit Lock the developing assembly in place by operating the devel oping assembly releasing lever Lock the feeding assembl...

Page 382: ...ntly used type of copy paper Then operate the switch to select A B or Inch con figuration Each cassette has its own switch Be sure to set all switches If you changed the switch posi tion you must chan...

Page 383: ...h guide and the length guide slide the guides to suit the index of the appropriate paper size Set the paper size dial to the appropriate paper size Attach the cassette size label as shown to indicate...

Page 384: ...move the stamp cap and install the stamp Do not touch the face of the stamp If your hands become stained with ink wash them immediately ADF F1 Open the ADF cover and remove the protection sheet from t...

Page 385: ...nstall the original delivery tray RDF G1 Use two screws ADF F1 Use two screws Connect the signal cable of the RDF or the ADF to the copier Remarks No 2 3 Stepped screw Screw M4X30 Original delivery tr...

Page 386: ...switch and press the key twice Press OPTION 5 to highlight then press the OK key Select the item to set If the machine is equipped with fax functions go to H Fax Settings Otherwise go to I Checking C...

Page 387: ...at the Service Mode Menu screen will appear Press FAX 8 to highlight then press the OK key Press 8 CLEAR to highlight then press the OK key Press ALL on the screen to high light then press the OK key...

Page 388: ...ain power switch Press the User Mode key and press FAX spec settings on the screen that has appeared Press Basic Registration The Basic Registration Setting screen appears Press the key to open the 2...

Page 389: ...the OK key To continue on to adjust NL go to step 3 of NL adjustment To not continue on to adjust NL press the Cancel key and press the Reset key twice to end service mode Remarks Starting FAX Service...

Page 390: ...ation will be highlighted Press the OK key Press the Cancel key and press the Reset key twice to end service mode Remarks Starting FAX Service Mode 1 Check to make sure that the handle of the separati...

Page 391: ...atic eliminator cleaning brush and the door switch actuator then close the front door Perform test shots to make sure that the images are normal Try communications tests to check the operation and the...

Page 392: ...t Photo Step edge No 10 is barely visible the white background if free of fogging Photo The white background is free of fog ging Moire near the step edge of halftone bands may be ignored Work If in se...

Page 393: ...the LCD to highlight then press the OK key Press the key to turn pages to the Shading screen Press AUTO SHADING START on the LCD to high light Press the OK key Shading will be executed Shading will en...

Page 394: ...make two A4 copies solid black Press the key twice Press FUNCTION 4 on the screen to highlight then press the OK key Press the key to turn pages to the PD Density Automatic Adjustment screen Close th...

Page 395: ...press DENSITY MEA SURE to highlight and press the OK key The scanner makes 13 scans After executing DENSITY MEASURE check to make sure that the settings under A B and D are as specified Insert PD 20...

Page 396: ...in text mode test photo mode and photo mode Try all the cassettes and the multifeeder Remarks Optimum Images For text mode the white background must be free of fogging In text photo mode step edge No...

Page 397: ...revent problems Try to finish jam removal work within 5 min When taking the drum unit out of the copier for servicing wrap it in fresh copy paper and keep it in a dark place Do not touch the surface o...

Page 398: ...APON 5 30 5 INSTALLATION Work Remove the drum unit Fix the scanner in place Tape the charging assemblies and the feeding assembly releas ing lever in place to prevent dis placement by vibration Tape t...

Page 399: ...cover 3 Remove the following so that the control panel may be removed Fixing controller PCB 1 screw Magnet plate from control panel top 1 screw RS232C connector 1 screw 4 Remove the four screws and di...

Page 400: ...5 404 2 Install the grounding wire r of the Control Card V while paying attention to avoid trap ping the wires 3 Install the control panel to the copier 4 Install the fixing controller PCB t At this t...

Page 401: ...f the Control Card V Figure 5 408 9 Remove the protection sheet from the control panel guide plate of the Control Card V 10 Attach the control panel guide plate 3 on the copier s control panel Figure...

Page 402: ...ation For IPC communication For serial communication For using a central control device For normal operation or for remote control using a commercially available modem For initializing the RAM For nor...

Page 403: ...JB2 on the Copy Data Controller A1 to suit the needs of the user Figure 5 503 A To connect the Communication Control Board A1 or the Interface Board B1 requires Power Supply A1 Figure 5 504 B To not c...

Page 404: ...work 3 Be sure that the copier s power plug remains disconnected during the work 4 Be sure to identify the screws by type length diameter and location 5 Be sure to prepare settings data for the unit o...

Page 405: ...make sure that LED2 of the Copy Data Controller A1 flashes Make a copy and check to make sure that LED3 flashes during copying operation Figure 5 511 4 To connect the Communication Board A1 or the Int...

Page 406: ...ings as follows 8 1 Select card ID input using the Keypad A1 Initially card input 8 2 To change from card input to ID input per form the following using the Keypad A1 To change from ID input to card i...

Page 407: ...as follows Table 5 503 b Press the switch SW4 of the Copy Data Controller A1 LED5 will turn ON momentarily in response to a press on the switch SW4 c LED5 will turn ON when the data has been drawn ou...

Page 408: ...lue counter reading and ID number requiring you to re enter them 10 Set the control paper size as follows 10 1 Change the control paper size using the DIP switch on the Copy Data Controller A1 and the...

Page 409: ...ing is not correct Return to Setting the Board and perform the appropriate steps once again To set the Interface Board B1 Interface Board A1 or communication Control Board A1 as an option see the Inst...

Page 410: ...he cable of the power supply unit is held in position on the cable guide inside the unit and it is not trapped by the upper cover 14 To connect the Control Card Printer A 1 con nect it to the connecto...

Page 411: ...ERVICING COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON I PERIODICALLY REPLACED PARTS 6 1 II CONSUMABLES AND DURABLES 6 1 III SCHECULED SERVICING CHART 6 2...

Page 412: ......

Page 413: ...paration static eliminator FF5 4467 000 1 100 000 3 Fixing assembly FG5 6261 000 1 200 000 100V FG5 6325 000 1 200 000 120V FG5 6326 000 1 200 000 230V 4 fixing cleaning roller FB3 3068 000 1 200 000...

Page 414: ...de Transfer guide upper lower plate Transfer charging assem bly guide rail Clean the separation feeding assembly Separation static elimina tor Feeding belt Clean the fixing delivery assembly Fixing as...

Page 415: ...G Work Clean the copyboard glass Make test copies Perform the Image Adjustment Basic Procedure Make sample copies Put the sample copies in order and clean up the area around the machine Record the fin...

Page 416: ...MAINTENANCE AND SERVICING Part Scanner rail Feeding belt Feeding assembly base Transfer guide Scanning lamp reflecting plate No 1 through No 3 mirrors Lens Original size sensor Dust proofing glass Dev...

Page 417: ...C GENERAL CIRCUIT DIAGRAM A 3 D DC CONTROLLER CIRCUIT DIAGRAM A 7 E ANALOG PROCESSOR CIRCUIT DIAGRAM A 20 F LASER DRIVER CIRCUIT DIAGRAM A 24 G PICK UP UNIT CIRCUIT DIAGRAM A 26 H CASSETTE SIZE DETEC...

Page 418: ......

Page 419: ...as DC component Primary charging roll bias AC component Transfer charging roller Separation static eliminator Transfer guide bias Fixing assembly bias Laser scanner motor Laser exposure Developing bia...

Page 420: ...signal FLPRTH FLUORESCENT LAMP PRE THERMISTOR signal FLPWM FLUORESCENT LAMP PWM DRIVE command FLTH FLUORESCENT LAMP THERMISTOR signal FMD 1 FAN1 FM1 DRIVE command FMD 2 EXHAUST FAN2 FM2 DRIVE command...

Page 447: ...J COMPOSITE POWER SUPPLY CIRCUIT DIAGRAM Composite Power Supply Circuit Diagram 1 8 A 29 APPENDIX COPYRIGHT 1996 CANON INC CANON GP215 200 REV 0 JULY 1996 PRINTED IN JAPAN IMPRIME AU JAPON...

Page 455: ...carry one Tool Name Digital Multimeter Door switch actuator Mirror positioning tool front rear NA 3 Test sheet Standard White paper Tool No FY9 2002 000 TKN 0093 FY9 3009 040 FY9 9196 000 FY9 3004 00...

Page 456: ...etc Lubricating pick up assembly roller bushing FS2 1005 000 Lubricating drive and friction parts Composition C2 H5 OH CHZ3 2 CHOH CH3 CO C2H5 Methylethyl ketone Lithium soap mineral oil family Molybd...

Page 457: ...by OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DEPT 1 OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIV CANON INC Printed in Japan REVISION 0 JULY 1996 26313 30809 30 2 Shimomaruko 3 chome Ohta ku Tokyo 14...

Page 458: ...PRINTED IN JAPAN IMPRIME AU JAPON 0796S2 82 1 This publication is printed on 70 reprocessed paper...

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Canon GP215, Service Manual

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