Page 1 COLOR LASER 1000 COPIER SERVICE MANUAL REVISION 1 MAY 1997 Canon COPYRIGHT 1997 CANON INC. CANON CLC 1000 REV. 1 MAY 1997 PRINTED IN JAPAN...
Page 2 Board Al provides such complex creative functions as framing, gradation, and freehand. 6. Full line-up of options. A large number of options are designed for the CLClOOO, including the Preview Monitor, PDF, and IPU-II. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT 0 1997 CANON INC.
Page 3 Waste toner box Pre-duplexing feeding assembly Transfer belt Transfer cleaning blade Transfer belt cleaning web Cassette 2 Duplexing unit Polishing roller Oil removing roller Cassette 1 Pick-up roller Feeding roller Separation roller CANON CLClLlOO REVlMAY1997 PRlNTEOINJAPAN(IhlPRIhlEAUJAPON) COPYRIGHT 0 1997 CANON INC.
Page 4 ID. Glows green when power is turned on. Table l-401 COPYRIGHT Q 1997 CANON INC. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 1 - 1 4...
Page 5 0. If horizontal, orient it so that the white trian- gle at the corner is front right 0. Figure l-405 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT 0 1997 CANON INC.
Page 6 A. Outline Original exposure block Laser unit Separation Fixina a s s deck Transfer belt Pre-duplexing feeding Transfer belt Figure 2-101 CANON CCC1000 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT 4 lM7 CANON INC.
Page 7 8. Drum cleaning Figure 2-102 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT 0 1997 CANON INC.
Page 8 2. COPYING PROCESS - B. Static Latent Image C. Pre-Exposure (step 1) Formation Block This block consists of three steps and ulti- mately leaves negative charges in the areas of the photosensitive drum representing the white (light) areas of the original, while neutralizing the charges in the areas representing the black (dark) areas of the original.
Page 9 4 (development). the grid, a bias is applied to the grid to ensure a specific drum surface potential. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT 8 1997 CANON INC.
Page 10 2 - 5 COPYRIGHT Q 1997 CANON INC. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPAIME AU JAPON)
Page 11 Retention/Transfer (step 5) Conventional developing bias Double blanking pulses Transfer blade Figure 2-110 DC bias The toner on the surface of the photosensitive 1 SKHz drum is transferred to copy paper where the paper and the photosensitive drum come into contact. This is done by applying a high-voltage constant current through a blade and onto the back of copy Figure 2-109...
Page 12 The upper fixing roller is cleaned by a cleaning web, and the lower fixing roller is cleaned by a cleaning web and a cleaning blade. CANON CLCIOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPAIME AU JAPON) COPYRIGHT Q 1997 CANON INC.
Page 13 J. Photosensitive Drum Cleaning Cleaning blade sensitive feeding screw Figure 2-l 13 In preparation for the next copying run, the cleaning blade scrapes off the residual toner from the surface of the drum. The collected toner is moved by the waste toner feeding screw to the rear of the copier and is collected in the waste toner case.
Page 14 CANON CLClOW REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT (0 1997 CANON INC.
Page 15 *Actually, by applying negative charges. 2-10 CANON CLClOOO REV.1 MAY 1997 PRINTEO IN JAPAN (IMPRIME AU JAPON) COPYRIGHT Q 1997 CANON INC.
Page 16 E. Transfer Belt Cleaning Transfer belt . cleaning blade cleaning web Figure 2-205 for a description and the main use of the cleaning mechanism used to clean the table transfer belt: Removes toner from the transfer belt during registration control. Removes Transfer belt cleaning oil from the transfer belt.
Page 17 These limitations, however, have been solved to a point where they will not present appreciable problems by controlling the image processing by the scanner unit. CANON CLClMJtl REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT 8 1997 CANON INC. 2-l 2...
Page 18 Retention Blade (transfer belt) Transfer Static Separation Blade Drum Cleaning Heat roller (700 W, upper; 500 W, lower) Fixing Table l-202 l - 2 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT Q 1997 CANON INC.
Page 19 (0 *l .O mm in full image mode) Trailing edge: 2.5 mm k2.0 mm Trailing edge: 2.5 mm %1.5 mm 400 dpi 400 lpi Sub scanning direction Table l-203 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT Q 1997 CANON INC.
Page 20 Adjustment of text/photo separation (7 steps) Text/photo level Provided Zoom fine adjustment Provided Cleaning Provided Transparency holder memory Provided Thin paper source memory Table l-203 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT Q 1997 CANON INC.
Page 21 Paper Deck (25.5 kg) Table l-205 730mm 820mm Height 1000 mm (w/ copyboard cover) 1172 mm (w/ RDF-El) 1422 mm (w/ projector) Figure l-201 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT Q 1997 CANON INC.
Page 22 4 . 0 0 0 0 . 8 1 5 B4 + A4R A3 + 84 0 . 8 6 5 North American Table l-206 l - 6 AU JAPON) CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME COPYRIGHT Q 1997 CANON INC.
Page 23 A higher fixing speed decreases the producing a matte effect. On !he other hand, a lower fixing speed increases the shine, producing a glossy effect. COPYRIGHT 0 1997 CANON INC. CANON CLClOOO REV.1 MAY 1997 PRINTEO IN JAPAN (IMPRIME AU JAPON)
Page 24 CANON OHTAKU, TOKYO, 146,JAPAN. MANUFACTURED: Figure l-302 Figure l-301 CANON CLCl999 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 25: Handling The Laser Unit
WHEN OPEN. AVOID EXPOSURE TO BEAM. Figure l-303 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT Q 1997 CANON INC.
Page 26 IV. NAMES OF PARTS A. External View Figure l-401 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN l-10 COPYRIGHT Q 1997 CANON INC.
Page 27 1. GENERAL DESCRlPllON - l-402 Figure COPYRIGHT Q 1997 CANON INC. CANON CLClOOO REV.1 MAY 1997 PAINTED IN JAPAN (IMPRIME AU JAPON)
Page 28 B. Cross Section Figure l-403 1-12 COPYRIGHT81997 CANON INC.
Page 29 A. Functional Construction The CLClOOO consists of six functional blocks: pick-up/feeding, original exposure, image processing, laser exposure, image formation, and control. Reader controller PCB Analog processor PCX Transfer belt cleaning Upper cassette Figure 3-101...
Page 30 AC drtver PCB a2325 Drum motor Developing motor Laser scanner motor. Laser 8canrmr motor driver PCB Motor, Fan. Clutch Solenoid COPYRIGHT 8 1997 CANON INC. CANON CLClWO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 31 Image processor PCB Check in the field not possible. ED board J 1431 J 1806 See Chapter 3. (laser exposure system) J 3251BK Figure 3-103 COPYRIGHT Q 1997 CANON INC. CANON CLClOOO REV.1 MAY 1997 PRINTEO IN JAPAN (IMPRIME AU JAPON)
Page 32 Scanner assembly When ‘6, cooling fan 1 Scanner assambly cooling fan 2 Scanner assembly cooling fan 3 Scanner assembly cooling fan 4 See Chapter 3. J 1305A Figure 3-104 CANON CCC1000 REV.1 MAY lQ97 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 33 To editor <Y> J 13058 Manual To projector lor the projector. J 1305A See the Servke Manual To RF-El <x> J 13068 Figure 3-105 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT Q 1997 CANON INC.
Page 34 (when light-blocking plate Is at PSB) J 6077 J 22148 When copy paper Is at PS9, ‘1’. (when tiiht-blocking plate Ls at PSQ) sensor 2 Figure 3-106 COPYRIGHT Q 1997 CANON INC. CANON CLCIOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAF’GN)
Page 35 Transfer edge sensor 1 (front) Transfer edge sensor 2 (rear) Transfer belt edge sensor 3 (front) Transfer belt edge sensor 4 (rear) Figure 3-107 CANON CLClOOO REV.1 MAY 1997 PAINTED IN JAPAN (IMPRIME AU COPYRIGHT 0 1997 CANON INC.
Page 36 2 sensor Pick-up verttcsl PS 26DT path 3 sensor (when light%dring ptata is at PSX) PS 27DT litter sensor Cassette 2 Duplexlng stacking gukb PS 29DT PS 30DT Figure 3-108 CANON CLCl999 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 37 Inputs to the DC Controller PCB (4/8) paper sensor 2 Delivery vertiil path sensor 2 PS 33DT reversal sensor Delivery sensor PS 35DT Internal delivery sensor Upper fixing web J 6273 Delivery vertiil PS 36DT - 7 ’ path sensor 1 P S 3 6 closed Shutter...
Page 38 C toner level sensor (upper) KTEP Bk toner level KTEPU sensor Error sensor for M hopper Error sensor for C hopper Bk loner level sensor lopper relay (lower) ‘CB Figure 3-l 10 CANON CLClOW REV.1 MAY 1897 PRINTED IN JAPAN (IMPRIME AU...
Page 39 Potential sensor (Y) J 6255M J 6223h, J 22161 EPC-M Check in the field not possible. Potential sensor (M) I - 1 Figure 3-111 3-l 1 COPYRIGHT 0 1997 CANON INC. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 40 J 2216, Check in the field not possible. EPC-K Potential sensor (K) J 22078-l EVRMT Check In the field not possible. EVHUM Environment sensor J 6224Y- 6 Figure 3-112 3-12 CANON CLClQOO REV.1 MAY 1997 PRINTEO IN JAPAN (IMPAIME AU JAPON)
Page 41 Inputs to the DC Controller PCB (8/8) DC controller PCB SALT sensor(Y) SALT sensor (M) See Chapter 3. (image formation) SALT sensor (C) J 2226E SALT sensor(K) J 22268 Color toner density sensor (Y) See Chapter 3. (image formation) J 2229A Color toner density sensor (C) j-1 E J 22298 J 2209A...
Page 42 Outputs from the DC Controller PC6 (l/12) DC controller PCB through power-saving switch, When input from outlet is detected, ‘1’. When ‘0’. main switch turns OFF. When fixing lever is set. ‘0’. beater/cassette signal) AC driver PCS From signal) THM7 LUii& Holding fray heater C drum heater '1'.
Page 43 (transler blade leaves transfer bek) J 2220- f (transfer blade comes InlO contact Bk transfer blade solenoid When ‘O’, (transfer blade leaves transfer belt) Figure 3-115 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT 0 1997 CANON INC.
Page 44 U - - - - - l Delivery paper deflecting plate sofenold When 0’. SL13 turnr ON. Separation claw releasing solenoid When ‘0’. SL13 turns ON releasing sohoM Reglstratlon Figure 3-116 3-16 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 45 Outputs from the DC Controller PCB (4/12) DC controller PCB SALT sensor shutter (shutter opens) (shutter closes) SALT sensor shutter (shutter opens) (shutter closes) SALT sensor shutter (shutter opens) open/close solenoid for C (shutter closes) SALT sensor shutter (shutter opens) (shutter closes) Polishing roller solenoid When ‘0’.
Page 46 Reversal drive clutch When ‘0’. CL16 turns ON. J 2226A Transfer belt litter clutch When ‘0’. CL1 7 turns ON. Figure 3-118 3-l 8 COPYRIGHT Q 1997 CANON INC. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU...
Page 47 When ‘o’, FM8 turns ON. J 22158 When ‘0’. FM9 turns ON. Prlmary suctlon fan (right) When ‘0’. FM19 turns ON When ‘0’. FM26 turns ON Figure 3-119 3-19 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 48 Y Image pcsltlon correctlon Alternates between ‘1’ and ‘0 motor for Bk Image position correction Alternates between ‘1’ and Kl Figure 3-120 COPYRIGHT Q 1997 CANON INC. CANON CLClOOO REV.1 MAY 1097 PRINTED IN JAPAN (IMPRIME AU 3-20...
Page 49 Outputs from the DC Controller PCB (8/12) DC controller PCB Fixing motor When error is detected while Ml0 is rotating, ‘1’. Pick-up motor When ‘0’. Ml0 rotates. I l l - A Prefixing feeding motor alternates between ‘1’ and ‘0’. Transfer heft cleaning When ‘0’.
Page 50 When PW=l, RV-6, wire cleaner motor When MI-6 RV=l, cleaner moves In reverse 23-A Duplexing stacking 23-A’ alternates between ‘I’ and ‘0’. guide motor 23-S 23-B’ Figure 3-122 AU UPON) 3-22 CANON CM1000 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME...
Page 51 Pm-exposure lamp C When ‘0’. LA3 ksns ON. Pre-exposure lamp Ek When Y)‘. LA4 turns ON Transfer blade When ‘l’, transfer hlgh voltage of Internal stake elimrnatirbg roller Figure 3-123 3-23 CANON CLClOW REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 52 Outputs from the DC Controller PCB (11/12) DC controller PCB When ‘1’. respective high voltage is generated. 4605 When ‘l’, respective high voltage is generated. Primary charging assembly (Bk) T 4605 Developing cylinder (C) J 4702L - 2 J 4703L HVDCEN-K HVDC-K Developing cylinder (Bk)
Page 53 Outputs from the DC Controller PCB (12/12) DC controller PCB J 2217-l 1 Stray loner collecting electrode plate When ‘1’. stray toner collecting high voltage is generated. HVSPAC When ‘I’. separation high voltage HVSPDC is generated. HVSPEN HVT4 PCB Pre-fixing charging assembly HVT5 PCB _ CNT 1 Counter 1...
Page 54 D. Sequence of Basic Operations 1. Sequence at Power-On Power switch ON 110°C 180°C Transfer belt HP search Transfer belt motor Transfer charging current Initial potential control Scanner HP search Figure 3-l 26 When the fixing temperature reaches 110°C after power-on, the photosensitive drum starts to rotate, and initial potential control will start when the potential on the drum has become stable (when the drum has made a l/2 rotation).
Page 55 Purpose Period Remarks From when the power switch is turned ON until the sur- Waits until the fixing roller face temperature of the WMUP (warm up) warms up. upper fixing roller reaches 110°C. From when the surface tem- E x e c u t e s irn,- age posraon cor- perature of the upper fixing nitial potential...
Page 56: Sequence Of Operations
(Image formation starts in relation to a registration slg- nal.) Control in relation to signals other than the registration signal is discussed using separate timing charts. CANON CLCl 990 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU 3-28...
Page 57 Figure 3-202 shows its exterior view. Original exposure system Figure 3-201 Scanner motor (M29) No. 2 mirror mount Scanner home position sensor (Ps37) Figure 3-202 CANON CLClooO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPDN) 1997 CANON INC.
Page 58 R e v e r s a l ( s c a n n e r i n r e v e r s e ) . Figure 3-203 AU JAPON) CANON CLClOOO REV.1 MAY 1997 PRINTEO IN JAPAN (IMPRIME COPYRIGHT 0 1997 CANON INC.
Page 59 During CCD adjustment (service mode). Original leading edge 8mm !7 A T - - Start position Original HP search at power Shading correction Figure 3-204 CANON CLClOOO REV.1 MAY 1097 PAINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT Q 1997 CANON INC.
Page 60 The circuit cuts the current to the motor by the HOLD-OFF signal while the motor remains at rest dur- ing standby to prevent heating of the motor. 3-32 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 61 The reproduction ratio in the sub scanning direction is changed by moving the mirror mount fast (reduc- tion) or slowly (enlargement). Scanner motor (M29) Scanner home position detection signal (SCHP) Scanner home position sensor (PS37) anner motor driver PCB Reader controller PCB Figure 3-206 CANON COPYRIGHT Q 1997 CANON INC.
Page 62 OFF. When LAON=l, the lamp regulator drive circuit turns ON to activate the intensity control circuit, there- by turning ON the scanning lamp (LA5). CANON CLCIOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME COPYRIGHT 8 1997 CANON INC. AU JAPON)
Page 63 Be sure to execute ‘AUTO-ADJ’ under ‘CCD’ of ‘FUNC’ in service mode whenever you have replaced the scanning lamp or the image processor PCB. CANON CLClOOO REV.1 MAY 1997 PRINTEO IN JAPAN (IMPRIME AU JAPON) COPYRIGHT Q 1997 CANON INC.
Page 64 Original exposure system Image processing system Digital video signal CCD line sensor Preview Monitor Board Laser exposure system Image processor PCB ED board Al i --_-----------_--- j Figure 3-301 CANON CLCl909 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 65 Clock pulses (odd) Output block (odd) Transfer block (odd) CCD shift pulses Light-receiving block Transfer block (even) Output block (even) Clock pulses (even) Figure 3-303 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU COPYRIGHT Q 1897 CANON INC.
Page 66 The RGB video signals of the odd and even channels are integrated into a single channel in the offset correction block and are converted into 8-bit digital signals (ND conversion) according to the voltage level and sent to the image processor PCB. CANON CLClOOO RN.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 67 Corrects differences in color space between CLClOOO and IPU or other external device. Preview Monitor Board (option) CRT. Converts video signals (YMCBk) after image processing into RGB signals for display on a CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 68 The Preview Monitor Board converts the YMCBk signals to which all image processing has been made into RGB signals for transmission to the CRT. Image processor motherboard Interface motherboard Image processor PC6 Interface Board Bi/B2 Figure 3-305 3 - 4 0 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU...
Page 69 Figure 3-306 shows the organization of ipletion of all image processing, the image Preview Monitor Board The image signals from external without compression. If ‘text synthesii, text data read from the original. 3 4 1 CANON CLCl OOr COPYRIGHT Q 1997 CANON INC.
Page 70 The shading correction value is used to obtain uniform data values when scanning originals. Measurements are taken each time the Copy Start key is pressed. Figure 3-309 CANON CLClOW REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT Q 1997 CANON INC.
Page 71 For Instance, at 320% enlargement, the R image signals must be delayed by 51.2 lines; In sum case, the following oorreotlon is made using data representing adjaoent pixels: + 0.2 x (62nd line pi:$ data) CANON CLClOOO REV.1 MAY 1997 PRINTEO IN JAPAN (IMPRIME AU JAPONI...
Page 72 If an original is placed at an angle as in the case of Figure 3-313, the rectangle whose diagonal line runs between P and P2 will be identified as an original. CANON CLClOOO REV.1 MAY 1997 PRINTEO IN JAPAN (IMPRIME AU JAPON) COPYRIGHT Q 1997 CANON INC.
Page 73 (RGB), it would be ideal if each filter let through light of a specific range of wavelengths and blocked out light of other wavelengths. Wavelength (nm) Figure 3-318 CANON CLClOOO REV.1 MAY 1897 PRINTED IN JAPAN (IMPRIME AU JAWN)
Page 74 IP memory PCB and Image B processed on the ED board by the area data from the control panel/editor and then integrated with image B. Figure 3-321 CANON ClClOOO REV.1 MAY 1897 PRINTED IN JAPAN (IMPRJME AU JAPON)
Page 75 g. Text Extraction In this block, text is extracted from an image to generate text signals (representing thickness of lines and hue data). Executing UCR processing based on such text signals enables reproduction of naturally emphasized edges and fine, black lines. Text extraction Text signal Text...
Page 77 In mode B, the RGB signals of the background pixels are removed from the image data for the entire image area. This way, the image on the back of the copy is removed if the copy is transparent enough to let the back image show through. CANON CLC1900 REV.1 MAY 1997 PAINTED IN JAPAN (IMPRIME AU JAPoN)
Page 78 B, G, and R (light) Reflected Reflected Absorbed are complementary to Y, M, and C (toner). Reflected Absorbed Reflected Reflected Reflected Absorbed Table 3-301 Transmission through filter Wavelength (nm) Wavelength (nm) Figure 3-326 Figure 3-327 3-51 CANON CLClOOO REV.1 MAY1997 PRlNTEOINJAPAN(lMPRIMEAUJAPON) 1997 CANONINC.
Page 79 “text/printed photo” or “printed photo.” Note that the sight characteristics of human beings are low in this range. (line/mm) Figure 3-330 COPYRIGHT Q lQ97 CANON INC. CANON CLMOOO ROl.1 MAY 1997 PRINTED IN JAPAN (IMPAIME AU...
Page 80 Figure 3-331 shows image data of an original, image data at time of enlargement, and image data after enlargement correction. Image density Image density image density 1 pixel pixel 1 pixel Figure 3-331 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 81 The image signals from an external device are subjected to UCR processing without compression and sent to the image processor PCS (For this, the DRAM memory kit must be installed.) from external device Image Text signal Image processor PCB Figure 3-332 CANON CLC1999 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 82 As a remedy, the UCR amount is increased or decreased with reference to the text signal, there- by limiting the UCR amount to less than 100%. This processing is executed for each pixel. Figure 3-335 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 83 o. Output masking A color image is reproduced by color toners with Y toner absorbing the B component, with M toner absorbing the G component, and with C toner absorbing the R component. However, in practice, the toners do not have pure color absorption characteristics as shown in 3-336.
Page 84 . . . White 0 White 0 o u t p u t Figure 3-339 Sharpness Mode Set to Strong Figure 3-338 Sharpness Mode Set to Weak CANON CLClOOO REV.1 MAY 1997 PRINTEO IN JAPAN (IMPRIME AU COPYRIGHT 8 1997 CANON INC.
Page 85 ED Board Al Smoothing Bit map d,lta generation71 Color conversion Bit map memory Color data (registered color, selected from the color palette) To image processor PCB In the bit map memory Is sent. CANON CCC1000 REV.1 MAY 1997 PRINTEO IN JAPAN...
Page 86 ED Board Al; then, bit map data is generated based on the area data. The bit map data is temporarily stored in the bit map memory and integrated with image 9, which has been read next. Figure 3-342 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT 0 1997 CANON INC.
Page 87 If text mode is selected for item e., a curve that enables reproduction of dark text without risking fog- ging will be seiected (Figure 3-344). Copy Copy density density Original density Original density Figure 3-344 Figure 3-343 CANON CLClOOO REV.1 MAY 1997 PAINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT 8 1997 CANON INC.
Page 88 CRT; the initial data and the post-edit data are integrated and displayed on the CRT. Stores the coordinates nearest the start of the main scanning line where black changes to white. 3-61 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 89 The laser beam hits and scans the negatively charged photosensitive drum (Figure 3- 401) to form a static latent image on the photosensitive drum. COPYRIGHT 0 1997 CANON INC. CANON CLCl990 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JWON)
Page 90 Since the positions of the laser units and the direction of rotation of the polygon mirror differ for MN and C/Bk, the laser beam scans the photosensitive drums in the opposite directions as shown in Figure 3- 403. Front CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU...
Page 91 When the PWM activation for a single scan ends, the laser turns fully for BD signal detection; the next scanning operation starts when the BD signal is generated. Power switch ON Copy Start key ON Figure 3-404 CANON CLCl 10 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 92 ‘El 10’ on the control panel. Laser scanner motor driver S M R D Y Speed control circuit Laser scanner motor DC power supply PCB Figure 3-405 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 93 In reference to the BD signal for each color, the video signal is synchronized for the main direction on the video controller PCB (details follow) and sent-to the laser driver PCB. Video controller PCB Figure 3-407 CANON CLCIOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU...
Page 94 E. Video Controller 1. Outline Figure 3-408 shows the video controller PCB, which controls the synchronization of video signals from the image processor PCB and sends the video signals to the laser driver; the main functions of the circuits are as follows: Generates clock signals for synchronization control.
Page 95 2. Synchronization Control for the Main/Sub Scanning Direction The video signals are synchronized for the main scanning direction based on the BD signal by the video controller. The video signal after gamma correction is written to the memory for main scanning direction synchronization in response to the main scanning sync signal (HSYNC) based on the write BD signal Reading from the memory for the main scanning direction is executed based on the BD signal for Y, M, C, and Bk.
Page 96 The video signal is forced to remain ‘0’ until the print area signal (YFRM in Figure 3-411) is generated, thereby creating a leading edge margin. Print area signal Sub scanning sync CQntrol Figure 3-411 Figure 3-412 PRINTED IN JAPAN (IMPAIME AU JAPON) CANON CLClOOO REV.1 MAY 1997 1997 CANON INC.
Page 97: Density Correction
*See discussions’on the image formation system and the image control. DC contrdi r t PCB The video data (YMCBk) is corrected against the correction curve for correction and sent to the laser driver. CANON CLCi990 REV.1 MAY 1997 PRINTEO IN JAPAN 3-70...
Page 98 OPERATIONS AND TIMING 4. Generating Test Patterns The video controller has a RAM area for generating test patterns; using a channel independent from that of the video signals from the image processor PCB, the signals are synchronized for the sub scan- ning direction to generate video signals.
Page 99 Signal generation for 200 lines/ 266lines M o d e s i g n a l Laser power adjustment PCEJ E r r o r Activation current generation Laser power setting Figure 3-417 CANON CLCIWO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU...
Page 100 The video signals from the video controller PCB are 8-bit signals and assume a value between 0 (OOH) through 255 (FFH). Pulse signals that suit the signals are generated in the 400-/200-/ (Figure 3-418) The selector switches between 400 lines and 200 lines and turns off or on the laser in response to the mode signal.
Page 101 Slant Feeding direction Feeding direction Discrepancy in main Discrepancy in sub scanning direction scanning direction Feeding direction Feeding direction Angle Discrepancy in reproduction ratio Figure 3420 CANON CLCltttM REV.1 MAY 1997 PRINTED IN JAPAN 3-74 COPYRIGHT 0 lg97 CANON INC.
Page 102 Prepares correction data based on the results of analysis, and imposes feedback on each factor. DC controller PCB correction CCD control PCB for LED control Video controller CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPONI COPYRIGHT 0 1997 CANON INC.
Page 103 Ydrum Rear Image poslion correction pattern Transfer belt Figure 3-422 The Y, M, C, and Bk patterns are as shown in Reading (CCD) Figure 3-423. I 6mm Figure 3423 CANON CLClQOQ REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU 3-76...
Page 104 In the case of Figure 3-425, the center in the main scanning direction is the 128th pixel and that in the sub scanning direction is the 130th line. array 256th pixel 128th pixel Feeding direction 0th pixel Accumulated value Figure 3-425 CANON CLClOOO REV.1 MAY PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT Q 1997 CANON INC. 1997...
Page 105 The reading by the CCD is synchronized with the periods of time that pass following the generation of Y image print enable signal. Power switch ON Potential control Bk image print enable signal (BkPE) Pattern read signal (CCDRD) Figure 3-426 _________ Figure 3-427 CANON CLClQQQ RW.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 106 If the shutter open sensor dose not detect the light-blocking plate when the shutter must open while the motor is at rest, ‘E194-0001’ will be indicated on the control panel. If the shutter must close, ‘E194-0002’ will be indicated on the control panel. CANON CLClOOO REV.1 MAY 1987 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 107 Figure 3-431 so that the scanning angle will be horizontal. osition correctlon mlrror F i g u r e 3 - 4 3 1 3-80 COPYRIGHT 0 1997 CANON INC. AU JAWN) CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME...
Page 108 In the case of Figure 3-432, the length of the optical path is increased, thereby increasing the width of scanning. Image positlon mirror Figure 3-433 3-81 CANON CLClOW REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU COPYRIGHT Q 1997 CANON INC.
Page 109 Y main scanning direction sync siyal (YSYNC’) Y read enable signal (YRE’) Figure 3-435 Video controller PCB Clock YRE. MRE The read tlmlng Is at points Figure 3-436 AU JAPOU) CANON CLCl909 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME 3-82...
Page 110 3-438). In the case of Figure 3-437, T2 is extended to delay the timing for the Y image start. Image leading signal (ITOP) 1st page Y read enable signal (YMRE) Y print enable signal (YPE) Y print area signal (YFRM) Figure 3-438 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU CANON CLClOOO 1997 CANON INC.
Page 111 Original Exposure CCD (PASCAL) Measures the toner density on copies by the CCD. (Corrects the grid bias, developing bias, and laser output.) DC controller PCS PASCAL SALT sensor Color toner den&y sensor CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 112 The external static eliminating roller is grounded in relation to the internal static eliminating roller. For details, see the appropriate pages. Pre-exposure lamp DC+AC bias Developing cylinder Pre-fixing assembly External static eliminating Figure 3-502 CANON CCC1000 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT (D 1997 CANON INC.
Page 113 Power switch ON Copy Start key ON STBY CNTR COPY LSTR STBY Drum motor Separation charging bi Pm-fixing charging bias For developing bias, DC+AC Figure 3-503 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAWN)
Page 114 The grid bias and the developing bias are corrected and the laser output is corrected based on the cor- rection data from PASCAL (explained later). DC controller PCS Laser output Environment sensor SALT sensor Figure 3-505 CANON CLClOW REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 115 If the temperature of the fixing roller is 110°C or less when the power switch is turned ON. Potential Correction Each time the Copy Start key is pressed. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 3-88...
Page 116 Subsequent copying operations are executed using the grid bias and the developing bias determined as discussed; the timing of measurement is as follows: Power switch ON Drum motor Flgure 3-509 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT CQ 1997 CANON INC.
Page 117 280 to 380 voo-7oov Surface potential at 00 activation 480 to 620 Surface potential at full activation 35 to 145 Surface activation at full activation 40 to 190 VFF-700V Table 3-501 CANON CLClOOO REV.1 MAY 1997 PRINTEO IN JAPAN (IMPAIME...
Page 118 The detail codes of E061 are explained below according to procedure for drum surface potential Con- trol and procedure for computation: a. Procedure for Drum Surface Potential Control at Power-On Procedure for Computation and Associated Detail Codes 3-91 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT 0 lW7 CANON INC.
Page 119 In addltion VDl is 600 V or Laser (fails to emit a beam) more Laser unlt (faulty) Video controller PCB (faulty) Laser power adjustment (faulty) or more Table 3-503 CANON CLClWO REV.1 MAY 1997 PRINTEO IN JAPAN (IMPRIME AU JAPON)
Page 120 VOO is upper limit (950 V) or more Laser shutter (faulty operatlon) Laser power adjustment (faulty) Laser unit (faulty) xx53 VOO is lower limit (325 V) or less Video controller PCB (faulty) Table 3-504 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 121 To make up for the changes, the density of the density pattern formed on the photosensitive drum is sensor, and the toner supply period is corrected based on the resulting measure- ments. DC controller Transfer belt Figure 3-514 Photo diode for direct light Figure 3-515 REV.1 MAY 1997 PRINTED IN JAPAN CANON CLClOOo INC.
Page 122 Copy Start key Copy Start key COPY LSTR STBY COPY LSTR STBY measurement for SALT Figure 3-516A CANON CLClOw REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAWN)
Page 123 Halftone output by YMCK K solid Y solid C solid Figure 3-519 (Test Print 2) Figure 3-518 (Test Print 1) CANON CLCllW REV.1 MAY 1997 PRINTEO IN JAPAN (IMPRIME AU JAf’Unj COPYRIGHT Q 1997 CANON INC.
Page 124 DC controller. The change current for the primary corona wire is constant, and the grid bias is varied to control the drum surface potential. DC controller PCB Figure 3-520 3-97 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAWN)
Page 125: Controlling The Primary Corona Current
When such occurs, the primary corona current will remain OFF for 20 ms and then will return auto- matically. DC controller Corona current Variable width pulse Transformer oscillator circuit Figure 3-521 CANON CLClWtl REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU...
Page 126 When such occurs, the grid bias will remain off for 20 ms and then will return automatically. sensor Potential DC controller PCB Environment sensor Current Grid control circuit Voltage d e t e c t i o n clrcult Figure 3-523 3-99 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 127 If overcurrent, because of leakage for example, is detected, the pulse output is forced off; the pre-primary corona current will remain OFF for 20 ms and thereafter will return auto- matically. DC controller PCB HVTP-1 Corona current detection circuit Figure 3-524 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU...
Page 128 (M24) is rotated clockwise for about 13 set; then, when M24FW=0, M24RV=l, the motor is rotated counterclockwise for about 13 sec. This sequence of operations is the same for all colors. 3-l 01 CANON CLCIOOO REV.1 MAY 1997 PFUNTED IN JAPAN (IMPRIME AU JAPON)
Page 129 “Measuring Color Toner Density” and “Measuring Black Toner Density,” respectively.) Pick-up motor Photosensitlve drum Y developlng motor C developing motor Bk developing motor Figure 3-526 CANON REV.1 MAY 1997 PRINTED IN JAPAN (IMPAIME AU JAf’ON) COPYRIGHT Q 1997 CANON INC. 3-102...
Page 130: Controlling The Developing Bias
Control signal 4 Transformer for +l kV + l k V + l k V Transformer for -1 kV Transformer or stray toner collecting electrode Figure 3-527 AC bias Figure 3-528 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU...
Page 131 When the AC bias output signal HVAC=i, the AC bias is applied to each developing cylinder. DC controller PCB Transformer for DC AC blas generation Transformer for -1 kV (rear) 3-104 CANON CLClOOO REV.1 MAY 1997 PRINTEO IN JAPAN (IMPRIME AU JAPON)
Page 132 (for each color), and each of the four channels is controlled independently. The changes in the developing DC bias according to different voltage values are as shown in Figure 3-530. -2oov -75ov Developing DC bias Figure 3-530 3-105 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 133 This feedback ensures a constant level of DC bias. DC controller PC6 H V T 3 DC bias pulse Variable width Transformer oscillator circuit To stray toner collection electrode Figure 3-531 3-106 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 134 4. Supplying Toner a . O u t l i n e Toner is supplied from the hopper based on the measurements taken of the toner density. Different methods are used to measure the density between Bk toner and Y, M, and C toners because of different toner characteristics.
Page 135 To make up for the deterioration occurring in the infrared diode and changes in temperature, the direct light is also measured at the same time. Figure 3-536 3-108 CANON CLClOOO REV.1 MAY 1097 PRINTED IN JAPAN (IMPRIME AU...
Page 136 DC controller Detection of Toner supply signal Toner supply clutch Cylinder Figure 3-538 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT Q 1997 CANON INC.
Page 137 Surface activation at full activation 377 to 848 REF-M Surface activation at full activation 377 to 848 Surface activation at full activation FIEF-C 377 to 848 Table 3-505 3-110 CANON CLClOOO REV.1 MAY 1997 PRINTEO IN JAPAN (IMPRIME AU JAPON)
Page 138 (TSl ,TS2,TS3) Error detection slgnal (YTEP’,MTEP’,CTEP’) Toner supply clutch Toner supply signal (CL1 D’,CL2D’,CL3D’) Pick-up motor drive signal (MlOMD) Pick-up motor 3-111 CANON CLCIOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT 8 1997 CANON INC.
Page 139 (TSl, 2, 3) detects the absence of toner while the toner level sensor (TS4, 5, 6) detects the presence of toner, ‘E020’ will be indicated on the control panel when copying operation ends. 3-112 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 140 Video controller PCB Video signal Cumulative count Bk toner supply Toner supply signal clutch (upper) Bk toner supply clutch (lower) Figure 3-541 3-113 CANON CLClOOO REV.1 MAY lW7 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 141 The difference between the measured value and the initial value is used as a correction value when computing the density of the density pattern. Figure 3-543 3-114 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAW4...
Page 142 The light reflected by the surface of the drum Is read Computed based on the difference between the reflected light and the initial value. Various measurement data units may be checked Figure 3-545 3-115 CANON CLClllOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU...
Page 232: Ending Service Mode
Adjustment mode ADJUST Ending Service Mode Function/inspection mode FUNC Press the Reset key. Options mode OPTION TEST Test print mode COUNTER Counter mode Table 3-1101 Figure 3-1101 3-205 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 243 Description Remarks Indicates the window soiling correction coefficient. Normal if between WINDOW The value decreases when the SALT sensor becomes and 140. soiled. 3-216 CANON CLClOOO AEVV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT 8 1997 CANON INC.
Page 244 Indicates the target value for Vg (grid bias). Unit: V Indicates the optimum value computed by potential Optimum value: 300 to control. The measurements of VOO and VFF may be checked by ‘EPC’ under ‘FUNC’. 3-217 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 245 (output value after A/D conversion) TARGET-B/G/R Indicates the shading target value. Initial value: 233 BOF-B/G/R Indicates the output of each CCD when the scanning lamp is off. (odd bit/even bit) 3-218 CANON CLClOOO REV.1 MAY 1097 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 246 8 0 1 0 0 1 H MooooM 8 0 1 0 0 3 H xxxxxxxx Remarks Description Item Indicates the input ports of the DC controller PCB. 800000H (800000H through 808004H) 808004H 3-219 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 247 er power error 800002H Fixing motor overcurrent detection Error: 1 Polishing/oil removing motor PLL error Error: 1 Holding tray drive motor PLL error Error: 1 Waste toner feeding motor PLL error Error: 1 Fixing motor PLL error Error: 1 Scanner motor PLL error Error: 1 Error: 1 Drum motor PLL error...
Page 248 Buffer unit connection Connected: 0 Paper deck connection Connected: 0 Transfer unit connection Connected: 0 Holding tray unit connection Connected: 0 Fixing knob connection Connected: 0 Fixing assembly connection 3-221 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 249 Delivery vertical path 1 paper sensor (PS36) Paper present: 0 3 J221 l-B8 Paper present: 1 Buffer unit inlet paper sensor (PS3) For factory Paper present: 0 Holding tray flapper assembly jam detection CANON CLClDOO REV.1 MAY 1937 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 250 3. OPERATIONS AND TIMING m CANON CLClOOO REV.1 MAY lQQ7 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 251 Upper fixing web length sensor (PS36) Oil absent: 1 Fixing oil level sensor (OSI) Locked: 0 Waste toner lock detecting switch (SW4) Transfer belt cleaning web length sensor Web absent: 1 (PSI 1) CANON CLClOOO REV.1 MAY 19g7 PRINTED IN JAPAN (IMPRIME AU...
Page 252 Description Connector Address Remarks Transfer belt cleaning web rotation sensor While in rotation, 802003H alternately 1 and 0. Transfer belt home position sensor (PS16) Detected: 1 Transfer belt edge sensor 4 (rear; PS20) Detected: 1 Transfer belt edge sensor 3 (front; PS19) Detected: 1 Transfer belt edge sensor 2 (rear;...
Page 263 Table A Jam Location Body RF-1 Sorter Table B Jam Code (high-order 2 digits) Delay jam Stationary jam Jam at power-on or when the front door, pick-up door, or delivery door is opened/closed. Jam when the front door, pick-up assembly door, or delivery door is opened/closed during copying operation.
Page 264 Indicates detail codes for each error code. (See the descriptions on self diagnosis.) Indicates a history of error codes (E). . HIST-0 is the most recent. Clears all error code histories. ERA-CLR CANON CLC1099 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 265 Indicates an open circuit in the lamp. 1: Open circuit LAMP-ERR Indicates that initialization is under way. 1: Processing Indicates local movement. 1: Operating LOCAL Indicates remote/local mode. 0: Remote 1: Local CANON CCC1000 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU 3-238...
Page 266 state) 10. RF-INF (RDF <F> RF-INF USER DOC-2 ERROR ALARM-4 ALARM-1 ALARM-2 ALARM-3 Description Item For R&D Indicates the error code sent by the RDF controller PCB. ERROR 01 Hequivalent of E401 02H:equivalent of E402 04H:equivalent of E404 05H:equivalent of E405 07H:equivalent of E411 11 H:equivalent of E411 21 H:equivalent of E400...
Page 267 11. SORT-INF (SORT state) <F> USER ERROR ALARM-l ALARM-2 ALARM-3 ALARM-4 Description Item STATUS-l/2/3/4 For R&D For R&D ERROR Indicates the jam code sent by the sorter controller PCB. 03H:feeding delay jam 02H:feeding stationary jam 03H:staple jam 08H:door open jam (during feeding) Indicates the alarm code sent by the sorter controller PCB.
Page 268 2 (PS18, rear) and when it reaches the end sensor 1 (PS17, front). x x x x Second most recent data Third most recent data CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 269 Item Description State F TO B C.Time Indicates data (F TO B data minus FST data); time Unit: 0.1 set taken by the belt to move from front to back. second most recent 9 third most recent B TO F C.Time Indicates data (B TO F data minus BST data);...
Page 270 Use it to make fine-adjustments for the pre-fixing high-voltage output according to conditions. HV-EL Use it to make fine-adjustments for the internal static eliminator high-volt- age output according to conditions. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 271 Note 1: You must enter the appropriate value whenever you have replaced a PCB or initialized a RAM; record any new values on the service label for this purpose. 3-244 CANON CLCIOOO REV.1 MAY 1097 PRINTEO IN JAPAN (IMPRIME AU JAPON)
Page 272 If any part of the image is missing, decrease the values of ‘ADJ-X’ and ‘ADJ-Y’. If an area outside the image is copied, Figure 3-1104 increase the values of ‘ADJ-X’ and ‘ADJ-Y’. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 273 Note 1: The value will return to the standard value when the RAM is initialized, requiring re-input. Be record any new value on the service label. CANON CCC1000 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JWON) 3-246...
Page 274 Ref. =0 PJRD-YS tion fails when the original detection mechanism is on. For XSiXE, PJRD-YE Unit: mm (approx.) 0.11 For YSNE, Unit: 0.06 mm (approx.) On copyboard glass 3-247 CANON CLClOW REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 275 Use it to adjust the film reading range when the origi- Settings: -100 to 100 P JCAR-X nal detection mechanism is off with the auto changer Standard: 0 PJCAR-Y in use. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IYPRIME All...
Page 276 If the slice level adjustment value is increased for O-255 Standard: 192 binarization used for reading images into memory for (Note 1) area specificationkolor creation, finer lines may be read. 3-249 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 277 You must enter the appropriate value whenever you have replaced a PCB or initialized a RAM; record any new values on the service label for this purpose. 3 - 2 5 0 CANON CLClOOO MY.1 MAY lWW7 PRINTED IN JAPAN (IMPRIME AU JAPUN)
Page 278 Note 1: You must enter the appropriate value whenever you have replaced a PCB or initialized a RAM; record any new values on the service label for this purpose. 3-251 CANON CM1000 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 279 XxXx ADJUST VBACK-Y VBACK-M VBACK-C VBACK-K XxXx XxXx Item Description Remarks VCONT-Y/M/C/K Indicates the present value of the target contrast potential. VBACK-Y/M/C/K Indicates the present value of de-fogging potential. 3-252 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU...
Page 280 Note 1: You must enter the appropriate value whenever you have replaced a PCB or initialized a RAM; record any new values on the service label for this purpose. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 281 Optimum value: 75 or higher density read when auto gradation correction is execut- ed against the design value. Indicates the control value (obtained from M/Y/K- DMAX) used to determine contrast potential. VRATE CANON CLClOOO REV.1 MAY 1997 PRINTEO IN JAPAN (IMPRIME 3-254...
Page 282 1 :Use. LUTCT-Y/M/C/K Use it to specify whether to use the gradation correc- Standard value: 1 tion control data of each color (auto gradation correc- tion control). 1 :Use. Y/M/C/K CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 283 (Note 1) suppress. Note 1: The value will return to the standard value when the RAM is initialized, requiring re-input. Be sure to record any new value on the service label. CANON CLClllOO REV.1 MAY 1997 PRINTED JAPAN (IMPRIME AU 3-256...
Page 284 A higher value leads to a Adjusts the image write start position in sub scanning VSYC-ADJ movement to the trailing direction. edge. Unit: 0.11 mm Standard: 128 Settings: 0 to 255 CANON CLClOOO REV.1 MAY 1097 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 285 Use it to adjust the degree of arching copy paper at Unit: 0 the rear of the registration roller (copy paper stop tim- Standard value: 0 ing). Settings: 6 to +6 Too low a setting can cause skew movement. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 286 The settings of ‘ENV-SET’ are stored as soon as the CPU on the DC controller PCB is supplied with power (i.e., when the power plug is connected to the power outlet), and will be renewed every 8 hr. 3-259 CANON CLClOOO REV.1 MAY 1997 PRINTED JAPAN (IMPRIME AU JAPON)
Page 287 The setting of this item will return to the default value when the PCB is replaced or the RAM is cleared, requiring input once again. Be sure to record any new setting you have made on the service label. CANON CLCIOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 3-260...
Page 288 Be sure to record any new setting you have made on the service label. mode will effective correcting transfer faults under each item In queStiOn. This prove when 3 - 2 6 1 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT 0 1997 CANON INC.
Page 289 The setting of this item will return to the default value when the PCB is replaced or the RAM is cleared, requiring input once again. Be sure to record any new setting you have made on the service label. 3-262 CANON CLClQQQ REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU...
Page 290 The setting of this item will return to the default value when the PCB is replaced or the RAM is cleared, requiring input once again. Be sure to record any new setting you have made on the service IaDel. CANON CLCiOW REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 292 The setting of this item will return to the default value when the PCB is replaced or the RAM is cleared, requiring input once again. Be sure to record any new setting you have made on the service label. 3 - 2 6 5 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 293 The setting of this item will return to the default value when the PCB is replaced or the RAM is cleared, requiring input once again. Be sure to record any new setting you have made on the service label. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 3-266...
Page 294 The setting of this item will return to the default value when the PCB is replaced or tne H A M I8 clearea, requiring input once again. Be sure to record any new setting you have made on the service label. 3 - 2 6 7 CANON CLClOOO REV.1 MAY lBB7 PRINTED IN JAPAN (IMPAIME AU...
Page 295 FUSER Fixing assembly-related adjustment CST-AD Cassette paper width adjustment Reader-related operation/inspection Printer-related operation/inspection Polishing roller/oil removing roller operation TCLN P-THICK Paper sensor adjustment IMG-REG Image position correction control operation/inspection CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 296 Reads the initial value of the SALT slgnal (SGNL, REF) of four colors (M, C, Y, K) in sequence. The value will be indicated on screen 4/4. Record it to the service label. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 297 Y/M/C/K Use it to read in the initial value of the window soiling WINCLR-4 correction coefficient of the four colors. 3 - 2 7 0 CANON CLCl MM REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 298 Be sure to record the reading on the label (Figure 3- 702). Indicates the gain value (gain value used to set ty signal during ATR control. Be sure to record the reading on the label (Figure 3- 702). AU JAPON) CANON CLCiOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME...
Page 299 <F> S G N L - S - Y SGNL-S-M SGNL-S-C SGNL-S-K FIEF-S-Y REF-S-M REF-S-C REF-S-K SGNL-D-Y SGNL-D-C SGNL-D-K FUNC SIGG-S-Y Item Description Remarks Indicates the value of the SALT signal. Be sure to record the reading on the label (Figure 3- 1102).
Page 300 Indicates the check sum value of Q1312 on the read- er controller PCB. Indicates the check sum value of Q1315 on the read- RCON-5 er controller PCB. Reserved. RCONB 3-273 CANON CLClOOO REV.1 MAY lM7 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 301 Indicates the check sum value of Q2341 on the DC Indicates only when controller PCB. ‘CHK-SUM’ is executed. DCCONP Indicates the check sum value of Q2340 on the DC controller PCB. CANON CLClWO REV.1 MAY 1997 PRINTED IN JAPAN (IMPAIME AU JAPON) 3-274...
Page 302 DC-CON n Entering Backup Data If you have executed ‘RAM-CLR’ for the DC controller PCB, use this screen to enter the data recorded, on the label shown in Figure 3-l 102. Remarks Description Item Enters the adjustment value for paper width detection U P-A4R reference point 1 for cassette 1.
Page 303 INIT is executed as ATR control. Enters the value of the gain for the toner density sig- nal during ATR control (gain used to ‘set GNL-M, SGNL-C, and SGNL-Y to 818). CANON CLClDOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 304 Use it to enter the value of the gain for the SALT sig- nal. PT-OFST-K Use it to enter the adjustment value of the density pattern for SALT. Use it to enter the adjustment value for pick-up timing adjustment (P-UP-TMG). CANON INC.
Page 305 FUNC n Entering Backup Data If you have executed ‘RAM-CLR’ for the DC controller PCB, use this screen to enter the data recorded on the label shown in Figure 3-1102. Description Remarks I t e m P-TH-l/2 Enters the output characteristics of the paper thick- ness sensor set at time of shipment from the factory, The values A through E SNSR-RNK...
Page 306 Use it to indicate the data of GREEN. Use it to indicate the data of RED. GAIN-UP Use it to indicate the setting of the gain-up mode (pre- 0: normal mode 255: precious metal mode 3-279 CANON ClClOOO REV.1 MAY 1897 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 307 Indicates the data for green of the gain level. Indicates the data for red of the gain level. Point A LAMP OFST BALANCE GAIN GAIN-UP Figure 3-1105 3 - 2 8 0 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 1997 CAWOH INC.
Page 308 You must enter the appropriate value whenever you have replaced the reader controller PCB or ini- tialized a RAM; record any new values on the service label for this purpose. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 309 Turns ON the laser output corresponding to VOO to check VFF in text mode. Turns ON the laser output corresponding to VOO to check VFF in photo mode. 3-282 COPYRIGHT Cp 1987 CANON INC. CANON CLClOOO AEV.l MAY 1997 PRINTEO IN JAPAN (IMPRIME AU JAPON)
Page 310 To execute the mode, you must place LTR paper in copies. the paper deck. For how to use the modes, see the instructions given under “After Replacing the Pick-Up MotorPIck- Up Unit” under J-g. 3-283 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 1997 CANON INC.
Page 311 Duplexing pick-up assembly Starts operations according to the settings A-IT-ON under ATT-SLCT, and stops automatically with copy paper retained on the transfer belt. CANON CLClOOO REV.1 MAY 1697 PRINTED IN JAPAN (IMPRIME AU JAf’UN) COPYRIGHT 0 lM7 CANON INC. 3-284...
Page 312 VFF-700V potential when the grid bias potential of the pri- 50-250 mary charging assembly is -700 V and the laser output is VFF. 3-285 PRINTED IN JAPAN (IMPRIME AU JAPON) CANON CLMOOO REV.1 MAY 1997 COPYRIGHT 8 1997 CANON INC.
Page 313 Off contact Off contact In contact In contact In contact Starts operation according to the settings under BLD-ON BLD-SLCT. In 10 set, the blade will take off- contact position. CANON CLClOIM REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 3-286...
Page 314 If you have replaced the fixing assembly, enter the value recorded on the label attached to the fixing assembly. Thereafter, be sure to turn off and then on the power switch. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) 3-207...
Page 315 1 for the multifeeder. Executes automatic adjustment of paper width detection reference point 2 for the multifeeder. MF-A4 Executes automatic adjustment of paper width detection reference point 3 for the multifeeder. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 316 Each press on LAMP-ON changes the notation and the operation as follows: represents OFF Operation Notation ON when intensity data 80 (light) ON when Intensity data 00 (dark) DEMO Reserved. Reserved. 3-289 CANON CLClOOO REV.1 MAY 1997 PRINTEO IN JAPAN (IMPRIME AU JAPON)
Page 317 Extended Zoom Frame Erase Color Create Page Separate Shift Image Create Freehand Area Select Synthesize User Mode Cover Transparency Insert Start START Pre-Heat STAND BY INTERRUPT Interrupt CLEAR Clear CALL Call CANON CLClOW REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU...
Page 318 14. F-MISCp (printer-related operation/inspection) FUNC FUNC Item Description Remarks Use it to select the type of IO (input/output) See the details section. check. IO-ON Use it to start an IO (input/output) check. Use it to select the type of check on the high- 0 to 6 voltage output.
Page 319 SHUT-OFF Use it to check the operation of the auto power- off mechanism. CANON CLClOOO REV.1 MAY 1997 PRINTEO IN JAPAN (IMPRIME AU JAPON)
Page 320 SALT-M LED Cassette 1 pick-up clutch (CL1 2) SALT-C LED Cassette 2 pick-up clutch (CL14) SALT-K LED Multifeeder pick-up clutch (CL6) 3 - 2 9 3 CANON CLClOOO REV.1 MAY PRINTED IN JAPAN (IMPRIME AU JAPON) INC. 1997 1997 CANON...
Page 321 Primary K output, grid K output (500 V), auxil- iary high-voltage output K (-350 uA), develop- ing bias KDC (-370 V) output OFF, pre-expo- sure OFF, photosensitive drum motor OFF CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU...
Page 322 Developing bias K-AC/DC output, anti-stray toner high-voltage output toner high-voltage output ON (Waits for a stop command, or 60 sec.) Developing bias K-AC/DC output, anti-stray toner high-voltage output OFF CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 323 Cleans by a single back-and-forth trip. cleaning motor) Operates for 5 set and then stops. Fixing web motor Note 1: Its operation stops in response to a press on the Stop key. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPAIME AU JAPON)
Page 324 Slant correction motor (M2, M5, M7) the M grid and the grid of each color.) Pick-up will be from the cassette 1; be sure to put A4RTR paper in the cassette in advance. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 325 Delivery assembly cooling fans (FMl), 2 Delivery assembly cooling fan 1 (FMl), 2 On for 5 set, off for 5 sec;then, operates contin- Delivery lower cooling fan 1 (FM1 9) 2 (FM20) CANON CLClOW REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 326 Butts the oil removing roller against the transfer OCLN belt, and rotates both the transfer belt and the oil removing roller (for about 4 min). During operation, the notation is ‘P’ SERVICE. CANON CLMOOO REV.1 MAY 1987 PRINTEO IN JAPAN (IMPRIME AU JAPON)
Page 327 16. P-THICK (paper thickness sensor adjustment) P-THICK P-TH-1 x x x x x x x x FUNC Item Description Remarks Indicates the output characteristics of the paper P-TH-1 I2 thickness sensor set at time of shipment from the factory. Values A through E Enters the characteristics (A through E) of the SNSR-RNK change by toggle opera-...
Page 328 Y/C/K. (sub scanning direction) Leading thls MI unles@ ‘El’i44 Is Indicated directlon edge. 1 pixel (635um) Unit: Settings: 0 to 255 Standard: 128 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPDN)
Page 329 In the case of the above, an error exists on the pattern for C of set 1 at front in sub scanning direction and at rear in main scanning direction. CANON CCC1000 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 330 Adjusts the cleaning mode transfer drum stop position. REMOTE Sets conditions for connection with an external controller. Sets conditions for connection with a paper deck. DECK DATA-CON Use it to disconnect the copy Data Controller-Al. CANON CLClOOO REV.1 MAY 1897 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 331 RAM; record any new values on the service label for this purpose. a reflecting Q& or a tra&&ng.typk. It k&to lowei the‘oow’ ‘* either Of ‘;: projector used by the user. 3-304 CANON CLClOOO REV.1 MAY 1897 PRINTED IN JAPAN (IMPRIME AU...
Page 332 2. P-OPT (cleaning mode) OPTION Item Description Remarks Changes the frequency at which the transfer T-WEB Settings: l-5 belt cleaning web turns on. Unit: (Note 1) Standard: 3 TBLT-POS Changes the stop position of the transfer belt. Settings: -2-2 (Note 1) Unit: 2 mm Standard: 0 Changes the ON/OFF sequence of the web...
Page 333 You must enter the appropriate value whenever you have replaced the reader controller PCB or ini- tialized a RAM; record any new values on the service label for this purpose. PRINTED IN JAPAN (IMPRIME AU CANON CLClOOO REV.1 MAY 1497 1997 CANON INC.
Page 334 Be sure to set it to ‘0’ when temporarily separat- out settin it to ‘O’ratlng ing the Copy Data Controller-Al during service the Copy % work. Al dunng service work. CANON CLClOOO REV.1 MAY 1897 PRINTEO IN JAPAN (IMPRIME AU JAPON)
Page 335 Switches the gate array of the laser controller THRU setting to alternate Not valid if TYPE is set to 5 (halftone). between ‘0’ and ‘1’. 0: Use gate array 1: Do not use gate array CANON CCC1000 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 336 Use it to select the color to generate for each COLOR-Y/M/C/K 1: Generate. 0: Do not generate. TYPE back to 0 when leaving test print mode. Be sure to set CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 337 G. COUNTER (counter) READY . After 999999, the reading returns to 000000. When a Level 3 item (except 038, 039,040) is pressed and the Clear key is pressed after the’item has been highlighted, the counter reading of the item will return to 00000. .
Page 338 Indicates the number of scans made by the scan- next time the pollshlng roller cleaning meChenlsnl ner. turns on.(lnltlally, ‘5000’; count down by 1 per Cow) 3411 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT 8 1997 CANON INC.
Page 339 Turn off and then on the main switch. of B of service label. (reader controller) Execute BEG-APER’ of ‘INSTALL2’ under 15) Turn off and on the main switch. ‘FUNC’ in service mode. 16) Execute auto gradation correction, and set CANON CLClOOO REV.1 MAYlQQ7 PRINTEOINJAPAN(IMPRIMEAUJAPON) 3-312...
Page 340 Check to make sure that the values of ‘P-TH- 1’ and ‘P-TH-2’ are identical to the recorded on the service label; If dlfferent, enter the correct values uslng ‘FUNC-DC- CON (5/5)-+P-TH-l/2’ in service mode. End service mode. CANON INC. CANON CLClOOO REV.1 MAY1897 PRlNlEOINJAPAN(IMPRIMEAUJAPON)
Page 341 BODY % ....26 zt10 13) Check to make sure that the reading is as indicated. CANON CLCIDIIO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU 3-314...
Page 342 11) Press the Reset key, and turn off the power switch. Remove the environment sensor calibration tool from the environment measurement PCB, and insert the environment sensor. 13) Install all covers. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 343 If the image is better, suspect a fault in the environment sensor or the environment mea- surement PCB. Return the setting of ‘VONT’ of ‘ADJ-MISC’ under ‘ADJUST’ in service mode to ‘0’. 3-316 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON) COPYRIGHT (D 1997 CANON INC.
Page 344: Checking The
8 0 2 0 0 5 H x x x x x x x x 4) Set the laser power checker switch to ‘2’. 3 9 1 7 CANON CM1000 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 345 PSll by paper; and length sensor the transfer unit to the copier. ‘1’ when the power is ON. 802002 bit 3 3-318 CANON CLC1999 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRI$E AU JAPUNl...
Page 346 . ‘1’ when paper is present over the pick-up Pick-up vertical vertical path 1 sensor. path 1 sensor ‘0’ when absent. bit 1 801000 Paper deck connection sensor bit 0 800004 3 4 1 9 CANON CLClO99 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 347 Meter probe (+) Name Sensor Service mode During standby, slide out the cassette 1. Cassette 1 ‘1’ when the cassette is slid in with paper. paper sensor PS 23 ‘0’ when the cassette is slid in without paper. bit 0 801004 During standby, slide out the cassette 1.
Page 348 ‘0’ once again. Pattern reading assembly shut- ter open sensor 804004 bit 7 ‘1’ if paper is in the paper deck. Paper deck ‘0’ otherwise. paper absent PS 8001 sensor 801005 bit 6 3-321 CANON CLClOOO REV.1 MAY1997 PRINTEOINJAPAN(IMPRIME AUJAPON)
Page 349 For R&D For R&D For R&D Full color in 17 gradations Not used Not used For R&D For R&D For R&D For R&D For R&D For R&D Table 3-301 CANON CLClOOO REV.1 MAY 1897 PRINTED IN JAPAN (IMPRIME AU JAPON) 3-322...
Page 350 256 colors; all frames that follow are repetitions of tive drum, and mixing of developers. the first set. Figure 3-1106 CANON CLClOOOREV.1MAY1997 PRlNTEOINJAPAN(IMPRIMEAU COPYRIGHT01997 CANON INC. JAPON)
Page 351 Use the 256-gradation test print to check gra- density 0 to density 255. dation and balance between colors. a. Gradation You may check the gradation of all densities Note: from density 0 to density 255. selection., CANON CLCiOOOAEV.l MAY1997 PRlNfEOINJAPAN(IhlPRIMEAUJAPON) 3-324...
Page 352 If fogging is over the section of 00 activation in Figure 3-l 108, suspect a fault in the developing system or the photosensitive drum; or, the laser may not be adjusted correctly. Figure 3-1108 COPYRIGHT@ 1697 CANONINC. CANON CLClOOOAEV.lMAYlQQ7 3-325...
Page 353 White Lines occur in one color only, suspect a fault in the developing assembly. 3-1109 Figure 3-326 COPYRIGHT 0 1997 CANON INC. CANON CLClOOO REV.1 MAY 1997 PRINTEO IN JAPAN (IMPRIME AU JAPON)
Page 354 (Use this test to find out the location of displacement Figure 3-l 110 3-327 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 355 7. Image Position Correction Pattern Use this test print to check whether the image position correction pattern is normal or otherwise. pattern pattern pattern pattern Figure 3-1111 3-328 COPYRIGHT Q 1997 CANON INC. CANON CLClllOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 356 White Lines (development) For instance, if white lines are noted in the cyan area of the copied image, suspect a fault in Figure 3-1112 3429 CANON CLClOOO REV.lMAY1997 PRlNTEDINJAPAN(IMPRIMEAUJAPON)
Page 357 Check to make sure that each color is repro- To make adjustments, use the contrast poten- tial. Gradatoin of Bk gray scale Figure 3-1113 COPYRIGHT 0 1997 CANON INC. 3-330 CANON CLCIOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 358 Fixing heater (open circuit) Triac (faulty) xx40 The temperature drops to 140°C or DC controller PCB (faulty) less during temperature control for standby. xx50 The temperature drops to 140°C or less during temperature control for printing. 3431 CANON CLClOOOREV.1 MAY1987 PRlNlEDINJAPAN(IMPRIMEAUJAPON) CANONINC.
Page 359 The rotation speed of the polishing/oil Polishing/oil removing motor removing motor has deviated from a specif- (Ml 5; faulty) ic value for 0.1 set or more. . DC controller PC6 (faulty) CANON CLClOOO REV.1 MAY 1997 PAINTED IN JAPAN (IMPRIME AU JAPON)
Page 360 5 samplings of the density Stirring (developer inside devel- data when sampling during copying oping assembly; faulty) sequence: Stray light (to sensor; no cover, SGNL-S-Y, SGNL-S-M, SGNL-S-C, front door open) SGNL-S-K CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU...
Page 361 When setting initial data (upon instal- lation, for example), the average gain after sampling of the SALT reference signal for each color is 0. CANON CLCloOO RW.1 MAY 1997 PRINTED IN JAPAN (IMPAIME AU JAPON) 3 - 3 3 4...
Page 362 60% or Photosensitive drum (dirt; clean- lower. ing failure) xx70 During multiple initial rotation (at power-on, for example), the window cleaning correction value is 140% or lower. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 363 16 or less. During copying sequence, the gain of the SALT reference signal for each in the memory back-up data. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 364 Cause Description Code xx90 Extreme changes have occurred ln SALT sensor shutter (fault) the window soiling correction value 10 times or more. An error has occurred in the data 10 xx91 times or more as a result of window soiling correction. During copying sequence, the varia- Developer (deterioration) tion in 5 samplings of the following...
Page 365 The value of the toner supply time Toner level sensor (faulty) correction data based on ‘SGNL- Y/M/C’ is -188 or less for 20 copies or more during copying sequence. CANON CLClOOO REV.1 MAY 1997 PRINTEO IN JAPAN (IMPRIME AU...
Page 366 Cause Description Code Developing motor (faulty) The rotation speed of the Y develop- 0101 * DC controller PCB (faulty) Developing cylinder (rotation fail- specific value for 0.1 set or more (PLL signal ‘0). ure) 0201 The rotation speed of the M develop- ing assembly (M18M) has deviated from a specific value for 0.1 set or E023...
Page 367 DC controller PC6 (faulty) 0002 The duplexing unit stacking guide home position sensor (PS29) remains ON for 1 set or more after the duplexing unit stacking guide motor (M23) has turned ON. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU...
Page 368 VD2 is 150 v or lower. HVDC (faulty) Potential measurement unit xx15 The measurement of VDl, or VL2 is 10 V or lower. (faulty) DC controller PCB (faulty) 3-341 CANON CLClOOO REV.1 MAY 1087 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 369 (250 V) or lower. The computation value of VFF is the xx27 lower limit value (700 V) or lower. xx28 The computation value of VFF is the lower limit value (0 V) or lower. 1997 CANON INC.
Page 370 The computation value of VOO is the Video controller PCB (faulty) lower limit value (325 V) or lower. Laser unit (faulty) Laser shutter (faulty) Scanner (faulty) Environment sensor (faulty) Photosensitive drum (faulty) Photosensitive drum (poor grounding) CANON CLClOOO REV.1 MAY lQ97 PRINTED IN JAPAN (IMPRIME AU...
Page 371 The transfer belt end sensor 3 (PS19) and the transfer belt end sensor 4 time. 0005 The transfer belt end sensor 1 (PS17) and the transfer belt end sensor 2 time. CANON CCC1000 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIYE AU...
Page 372 Cause Description Code The transfer belt lifter sensor 1 (PS12) or Transfer belt lifter sensor 1 (PS13) does not go ‘1’ (ON) within a specific E074 period of time after the transfer belt lifter Pick-up motor (MlO; faulty) clutch (CL17) has turned ON. Transfer belt lifter clutch (CL17;...
Page 373 EC0 CPB) During the execution of ‘ADUTO-ADJ’ in ser- Bar code label (faulty or absent) E352 vice mode, the bar code on the standard white plate cannot be read. CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU...
Page 374 Skew sensor 1 (S4; faulty) Manual feed registration sensor Image leading edge sensor Original sensor (S7; faulty) COPYRIGHT 0 1997 CANON INC. CANON CLClOOO REV.1 MAY 1897 PRINTED IN JA6AN (IMPRIME AU JAPON)
Page 375 (P19) for 1000 ms or more. Stapler unit shift motor (M3; rota- * The operation does not end within 5000 ms after the motor drive signal has been gener- ated. CANON CLCI 990 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 376 An error has occurred in the DC output (24 DC output (from sorter controller; VL, 24 VP) from the sorter controller PCB. f a u l t y ) 3-349 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 377 DC controller PCB detected foil set or more. DC harness Power supply unit (DCPl) cooling The rotation of the cooling fan for the power fan (error) supply unit (DCPl) has stopped. CANON CLClOOO REV.1 MAY 1097 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 378 3) Turn off and then on the power switch. Clearing E075 1) Start service mode, and select ‘F-MISCp’ under ‘FUNC’. 2) Press ‘E075-RLS’. 3) Turn off and then on the power switch. 3-351 CANON CLClOOO REV.1 MAY lQQ7 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 379 EXTERNALS AND CONTROLS Covers External Covers and Copyboard Glass Figure 4-101 A CANON CLClOOOREV.lMAY1997 PfUNTEDINJAPAN(IMPRIMEAUJAPON)
Page 380 Paper deck rear cover Duplexing unit front cover (4) Paper deck door Fixing assembly front cover (2) Paper deck upper cover Multifeeder cover 1 Multifeeder cover 2 Copy tray CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 381: Removing The Control Panel
5) Slide out the hopper assembly @ to the front. Figure 4-101 B Remove the hopper left and right covers 0. Flgure 4-1048 6) Lift the control panel, and disconnect the con- Figure 4-1028 nector: then, remove the control panel. CANON CLClOOO REV.lMAY1997 PRlNTEOINJAPAN(IMPAIME AUJAPON)
Page 382 Remove the three screws @ each: and remove the fans 0. Figure 4-101 C 4) Remove the four screws each, and remove the fans from the fan unit. Figure 4-103C CANON CLClOOO REV.1 MAY 1897 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 383 0. Figure 4-104C Figure 4-108C Remove the the two screws 0, and remove Remove the four screws 0, and remove the the filter cover 0. power supply cooling fan 0. Figure 4-107C Flgure 4-10X CANON CLClOOO REV.1 MAYlM7 PRlNTEOINJAPAN(IMPRIMEAUJAPON)
Page 384 0. Figure 4-108C Figure 4-11 OC 2) Remove the ozone filter 0. Remove the three screws 0, and remove the fan 0. Figure 4-l 0% Flgure 4-111 C CANON CLCIOOO REV.1 MAY lQQ7 PRINTED IN JAPAN (IMPRIME AU JAPDN)
Page 385 0. Disconnect the connectors @ (one each), and remove the four screws @ each; then, remove the fan ‘0. Flgure 4-115C Figure 4-113C CANON CLClOOO REV.1 MAY lQ97 PRINTED IN JAPAN (IMPRIME AU JAPON) 4 - 7...
Page 386 Remove the two screws, and remove the mul- Remove the seven screws 0, and remove the tifeeder cover 1. left stay 0. Remove the filters 0. Figure 4-l 19C Figure 4-117C CANON GLC1000 REV.1 MAY 1897 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 387 Removing the Digital Unit Cooling Fan 10. Removing the Pre-Fixing Feeding Fan (FM7) 1) Shift up the digital unit. Remove the two screws, and remove the 2) Disconnect the connector @ (one each), and counter cover. remove the four screws @ each; then, remove Remove the pre-fixing feeding assembly.
Page 388: Drive System
Disconnect the two connectors 0, and four screws 8; then, remove the drum drive assembly @I. Figure 4-201A Slide out the process unit. Remove the two screws @ each, and remove the drum heater terminal cover 0. Flgure 4-204A Figure 4-202A 4-10 CANON...
Page 389 B. Developing Motor Removing the Drum Motor Assembly Assembly Remove the two screws each, and remove the two fly wheels. 1. Removing the Developing Motor Disconnect the two connectors 0, and Assembly remove the four screws 0; then, remove the Remove the rear cover 1 and the rear cover drum motor assembly 0.
Page 390 Remove the four screws each 0, and discon- nect the two connectors each 0; then, remove the developing motor 0. Figure 4-201 C Figure 4-2036 4-12 CANON CCC1000 REV.1 MAY 1897 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 391 PCB @ together with the support plate. Figure 4-203C 4) Remove the pick-up assembly. 5) Remove the screw @ from the pick-up relay PCB, and remove the two screws @ from the pick-up drive assembly. Figure 4-202C Figure 4-204C CANON CLClOOOREV.lMAY1997...
Page 392 0; then, detach the timing belt @ from the pulley 0. Remove the four screws 0, grip ring 0, and pulley 0; then, remove the pick-up motor. Figure 4-205C Figure 4-206C 4-14 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 393 Remove the left cover and the hopper left cover. Remove the control panel. Remove the vertical size plate and the glass retainer right; then, remove the copyboard glass. Figure 4-202D CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPAIME AU JAPON)
Page 394 ‘6) Route the scanner cable on the pulleys and hooks as indicated in Figure 4-207R ball - W i n d 8 t i m e s . Figure 4-207D CANON CLClOOO REV.1 MAY 1097 PRINTED IN JAPAN (IMPRIME AU JAWN)
Page 395 No. 1 mirror mount and the No. 2 mirror side plate with two screws @I. mount; and insert the pin @ that comes with the mirror positioning tool. Figure 4-211 D Figure 4-212D CANON CLClOW REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 396 Remove the two screws 0, and disconnect the four connectors 0; then, remove the fixing motor driver 0. Figure 4-201 E 4) Remove the five screws 0, and remove the fixing drive assembly 0. Figure CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 397 2) Disconnect the connector 0, and remove the four screws 0; then, slide out the waste toner feeding assembly @to the front while shifting it to the right. Figure 4-2021: CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU...
Page 398 4) Remove the two screws 0, and pull out the waste toner feeding vertical pipe @ by shifting it to the bottom. Figure 4-206F Figure 4-204F CANON ClCl990 REV.1 MAY 1997 PRIN7El.I IN JAPAN (IMPRIME AU JAPON) 4 - 2 0...
Page 399 Removing the Cover Remove the four mounting screws @ each, and remove the paper deck front cover @ and the paper deck rear cover 0. Figure 4-304A Figure 4-302A CANON CM1000 REV.1 MAY 1997 PRINTEO IN JAPAN (IMPRIME AU JAPON)
Page 400 (left, right) in place to free the side guide plate. Insert a screwdriver into the hole for the push lock, remove the screw 0, and remove the roller stopper plate 0. Flgure 4-305A Flgure 4-308A 4-22 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 401 313A is toward the rear of the machine. Remove the mounting screw 0, and remove the separation roller assembly cover 8. Markings Bearing (one-way) Rear of machine Figure 4-313A Figure 4-311 A CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 402: Removing The Separation Roller
8 from the separation roller assembly to remove Roller collar the separation roller 0. Figure 4-318A COPYRIGHT 8 1997 CANON INC. CANON CLClOOO REV.1 MAY lQg7 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 403 If pick-up faults occur or double-feeding occurs sure. frequently, change the position of the spring hooked on the retard stay. results in a pressure change of about Spring Increase the pressure. Retard stay Figure 4-319A CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 404 If the paper surface is low, move up the Figure 4320A paper sensor support plate. If the paper surface is high, move down the paper sensor support plate. Screw Figure 4-322A CANON PRINTED IN JAPAN (IMPRIME AU JAPON) 4-26 1997 CANON INC.
Page 405 Press ‘PK-ADJ-C. (Pick-up starts from the cassette.) 10) Press ‘D-SEND-C. (The measurement data will be written into the DC controller.) 11) Record the value of ‘PUDTWL on the service label. CANON CLClOOO REV.1 MAY 1887 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 406: Removing The Feeding Roller
Remove the pick-up assembly. 2) Remove the screw 0, and remove the upper guide 0. Figure 4-3048 Remove the screw 0, and remove the pick-up roller arm bushing 0. Flgure 49058 4-20 CANON CCC1099 RN.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 407: Separation Roller
@>. Removing the Pick-Up Assembly Separation Roller Remove the pick-up assembly. Remove the screw 0, and remove the lower guide 0. Figure 4-3078 Figure 4-3098 4-29 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU...
Page 408 @ of the separation roller If double-feeding occurs, hook the spring on A. If pick-up faults occur, hook the spring on B. Figure 4-311 B Figure 4-3138 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 409: Releasing The Lifter
@ as indicated. Figure 4-314B 7. Releasing the Lifter If the lifter @ is up, push down the lifter releas- ing arm to lower it. Flgure 4-3158 Flgure 4-3168 CANON CLClOOO REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 410 Figure 43178 Removing the Duplexing Pick-Up Roller Remove the pick-up assembly. Remove the E-ring @ (resin), and remove the pick-up roller @ together with the collar. Figure 4318B 4-32 CANON GLC1000 REV.1 MAY 1997 PRINTEO IN JAPAN (IMPRIME AU...
Page 411 0. pick-up assembly door. 2) Remove the screw 0, and remove the posi- tioning pin 0 Remove the registration roller @ inlet guide Figure 4-321 B Flgure 4-3238 CANON CLCIOOO REV.1 MAY 1097 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 412 Figure 4-3268 Figure 4-3248 Remove the two E-rings 0. Shift the two feeding roller bushings @ toward the inside, and remove them together with the shaft @. Figure 4-3258 CANON CLC1999 REV.1 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

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