Page 2 IMPORTANT THE INFORMATION CONTAINED HEREIN IS PUBLISHED BY 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. ANY QUESTIONS REGARDING INFORMATION CONTAINED HEREIN SHOULD BE DIRECTED TO THE COPIER SERVICE DEPARTMENT OF THE SALES COMPANY.
Page 3 INTRODUCTION This Service Manual provides basic facts and figures needed to service the plain-paper Color Laser Copier 1000/1000S/3100 in the field. The Color Laser Copier 1000/1000S/3100 may be configured with the following system devices: Preview Monitor/Preview Monitor Board RDF-E1 Editor F1...
Page 4 All service persons are expected to be thoroughly familiar with the contents of this Service Manual, the Service Handbook, and Service Information bulletins and be ready to respond to the needs of the user promptly. COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 5 All service persons are expected to have a good understanding of the contents of this Service Manual and all relevant Service Information bulletins and be able to identify and isolate faults in the machine. COPYRIGHT © 2001 CANON INC. CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 6: System Configuration
[10] PS-IPU III [11] IPU II [12] Film Scanner III [13] Copy Data Controller A1 (not available in some areas) [14] ED Board A1 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 7: Table Of Contents
G. Image Position Correction ....3-74 Scanning Lamp ....... 3-34 IMAGE FORMATION SYSTEM ..... 3-84 III. IMAGE PROCESSING SYSTEM ..3-36 A. Outline ..........3-84 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 8 C. Fixing Lower Cleaning Assembly .. 4-103 C. Replacing the Separation Paper Fixing Oil Application Unit ..... 4-105 Guide Static Eliminating Wire ..4-55 ELECTRICAL SYSTEM ....... 4-107 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 9 Electrical ADJUSTMENT ....7-42 E. Fans ..........7-164 III. TROUBLESHOOTING IMAGE Motors ........... 7-166 PROBLEMS ........... 7-52 G. PCBs ..........7-168 A. Initial Checks ........7-52 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 10 GENERAL CIRCUIT DIAGRAM ... A-11 HVT CIRCUIT DIAGRAM ..... A-70 DC CONTROLLER CIRCUIT SPECIAL TOOLS ........A-82 DIAGRAM ..........A-15 SOLVENTS AND OILS ......A-84 viii COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 11 D. Others ..........1-5 B. Cross Section ........1-13 III. LASER AND SAFETY MEASURES ..1-9 C. Control Panel ........1-15 A. DHHS ..........1-9 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 13: Chapter 1 General Description
Board A1 provides such complex creative functions as framing, gradation, and freehand. Full line-up of options. A large number of options are designed for the CLC1000, including the Preview Monitor, RDF, and IPU-II. COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 14: Specifications
Static retention (concurrent with Y transfer) Transfer Blade (transfer belt) Separation Static Drum Cleaning Blade Fixing Heat roller (700 W, upper; 500 W, lower) Table 1-202 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 15: Performance
Trailing edge: 2.5 mm ±1.5 mm Trailing edge: 2.5 mm ±2.0 mm Main scanning direction 400 dpi Sub scanning direction 400 lpi Table 1-203 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 16 Text/photo level Adjustment of text/photo separation (7 steps) Zoom fine adjustment Provided Cleaning Provided Transparency holder memory Provided Thin paper source memory Provided Table 1-203 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 17: Others
Avoid direct rays of the sun. Dimensions See Figure 1-201. Weight 486.7 kg (body only) Copyboard (3.7 kg) Editor (4.9 kg) Paper Deck (25.5 kg) Table 1-205 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 18 (w/ projector) 2013mm (w/ paper deck) 2476mm (w/ sorter) Height 1000 mm (w/ copyboard cover) 1172 mm (w/ RDF-E1) 1422 mm (w/ projector) Figure 1-201 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 19 B4 → B5R B5R → B4 B4 → A4R A5 → A3 0.815 2.000 A3 → B4 0.865 — 4.000 A4R → B5R Table 1-206 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 20 A higher fixing speed decreases the shine, producing a matte effect. On the other hand, a lower fixing speed increases the shine, producing a glossy effect. COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 21: Laser And Safety Measures
LASER KLASSE 1 PRODUCTO LASER DE CLASE 1 APPARECCHIO LASER DI CLASSE 1 IN ACCORDO CON LA NORMA CEI 76-2 Figure 1-301 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 22: Points To Note When Handling The Laser Unit
LASERSTRÅLNING NÅR DENNA DEL ÅR ÖPPNAD. BETRAKTA EJ STRÅLEN. ADVARSEL! LASER STRÅLING, NÅR DENNE ER ÅBEN. UNDGÅ BESTRÅLING. FS6-8030 ADVARSEL LASERSTRÅLING NÅR DEKSEL ÅPNES. UNNGÅ EKSPONERING FOR STRÅLEN. Figure 1-303 1-10 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 23: Names Of Parts
Hopper cover (toner supply opening) [10] Cassette 2 Multifeeder [11] Front cover (left) Paper deck (option in Japan) [12] Copy tray Figure 1-401 1-11 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 24 [3] Front cover switch Fixing/delivery/reversing unit [4] Hopper assembly [10] Fixing oil bottle [5] Transfer unit [11] Document holder [6] Duplexing unit Figure 1-402 1-12 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 25: Cross Section
[49] [51] [53] [33] [35] [37] [39] [41] [43] [45] [47] [55] [59] [56] [60] [57] [61] [58] [62] [40] [63] Figure 1-403 1-13 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 26 Cassette 2 [44] Duplexing unit [45] Polishing roller [46] Oil removing roller [47] Cassette 1 [48] Pick-up roller [49] Feeding roller [50] Separation roller 1-14 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 27: Control Panel
[10] Call key Press it to recall up to three previous copying modes. [11] Pilot lamp Glows green when power is turned on. Table 1-401 1-15 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 28 [1]. • If horizontal, orient it so that the white triangle at the corner is front right [2]. Figure 1-405 1-16 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 29: I. Fixing (Step 7)
G. Retention/Transfer (step 5) ....2-6 III. LIMITATIONS ......... 2-12 H. Separation (step 6) ......2-7 A. Outline ..........2-12 Fixing (step 7) ........2-7 B. Characteristics ......... 2-12 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 31: Chapter 2 Copying Process
Pre-exposure assembly lamp Pre-primary charging Surface assembly potential sensor Developing assembly Photosensitive Photosensitive drum drum cleaner SALT sensor Transfer blade Transfer belt Figure 2-101 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 32 4. Development Delivery Manual feeding 7. Fixing 6. Separation 5. Transfer Registration 5. Retention/transfer Paper deck Duplexing tray Cassette 1 Cassette 2 Figure 2-102 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 33: Static Latent Image Formation Block
-500 density. Dark area (white on original) -1000 Pre-exposure Primary charging Image exposure (step 1) (step 2) (step 3) Figure 2-103 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 36: Retention/Transfer (Step 5)
(Y), transfer occurs at the same time as when the paper is drawn to the transfer belt by the work of transfer charges. COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 37: Separation (Step 6)
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. COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 38: Photosensitive Drum Cleaning
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. COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 41: Transfer Belt Cleaning
Roughens the surface of the transfer belt to prevent adhesion of oil from the transfer belt to the photosensitive drum. And removes paper lint on the transfer belt. 2-11 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 42: Limitations
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. 2-12 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 43 G. Image Position Correction ....3-74 B. Protection Mechanisms for the IMAGE FORMATION SYSTEM ..... 3-84 Power Supply Circuits ....3-201 A. Outline ..........3-84 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 45: Basic Mechanisms
Manual Pre-fixing feeding Pick-up feeding control Holding tray Pre-holding tray feeding Fixing Upper cassette Paper deck Copy tray Lower cassette Pick-up/feeding block Figure 3-101 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 46: Outline Of Electrical Circuitry
Charging assembly Developing bias Pick-up motor Laser scanner motor, Laser scanner motor driver PCB Paper deck Pre-exposure lamp Motor, Fan, Clutch, Solenoid Figure 3-102 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 47: Inputs To And Outputs From Major Pcbs
Laser driver M PCB J 1301BK J 1301M Laser M Laser K J 2103 J 2105 BD-K PCB BD-M PCB J 3251M J 3251BK Figure 3-103 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 48 4 FM13D* FM13 turns ON. Lamp regulator (CVR) J 6230 Scanning lamp See Chapter 3. (original exposure system) J 1305A Figure 3-104 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 49 See the Service Manual To projector for the projector. J 1305A See the Service Manual To RF-E1 for the RF-E1. J 1306B Figure 3-105 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 50 J 2214B - 6 When paper is at PS9, '1'. Holding tray front feeding (when light-blocking plate is at PS9) PS9DT sensor 2 PS 9 Figure 3-106 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 51 J 6111 - 1 Transfer belt edge When edge detection lever (rear) of PS20DT sensor 4 (rear) transfer belt is at PS20, '1'. PS 20 Figure 3-107 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 52 J2224A - 4 Holding tray When paper is at PS30, '1'. PS 30DT paper sensor 1 (when light-blocking plate is at PS30) PS 30 Figure 3-108 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 53 PS101 Cassette 1 Detects paper length based on C1SZ0 SEU 1 paper length sensor unit combination of various input signals. C1SZ0 PS102 Figure 3-109 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 54 C toner level J3401B- 5 CTEPL* sensor TS 7 (lower) J 6337- 3 Bk toner level KTEPL* Hopper relay sensor TS 8 (lower) Figure 3-110 3-10 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 55 Check in the field not possible. EPC-M CT M Potential sensor (M) J 6224M- 1 J 6219M J 4604L 150V 150V - 15V -15V HVT2-1 Figure 3-111 3-11 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 56 J 6063 J 2955B-6 J 2207B-10 EVRMT Check in the field not possible. EVHUM Environment sensor J 6224Y- 6 EVTEMP J 6099Y Figure 3-112 3-12 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 57 J 2853F See Chapter 3. correction PCB (laser exposure) (rear) J 2951R LED rear PCB for pattern reading J 2204 J 2854R Figure 3-113 3-13 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 58 When '0', upper fixing heater turns ON. LHON When '0', lower fixing heater turns ON. AC input Fixing Lower for web web drive motor motor Figure 3-114 3-14 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 59 J 6104 -1 Bk transfer blade with transfer belt) solenoid SL 7Bk SL7KDR* When '0', SL7BDR turns ON. (transfer blade leaves transfer belt) Figure 3-115 3-15 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 60 When '0', SL13 turns ON. J 6053 J 2951 J 2207A-5 SL 16 Registration releasing solenoid SL16D* When '0', SL13 turns ON. Multifeeder relay PCB Figure 3-116 3-16 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 61 When '0', CL4 turns ON. (upper) J 6011- 1 Bk toner supply clutch CL 5 (lower) CL5D* When '0', CL5 turns ON. Figure 3-117 3-17 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 62 CL16D* When '0', CL16 turns ON. J 3701 - 2 J 2226A - 4 Transfer belt lifter clutch CL 17 CL17D* When '0', CL17 turns ON. Figure 3-118 3-18 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 63 J 6373 - 2 J 2225B - 11 FM 20 Delivery lower cooling fan 2 FM20D* When '0', FM20 turns ON. Figure 3-119 3-19 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 64 M8-A* Alternates between '1' and '0' correction motor for Bk - 10 M8-B while M8 is rotating. - 12 M8-B* Figure 3-120 3-20 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 65 J 6100 - 5 J 5329 - 4 DCP1U J2218A-11 M15ON Polishing/oil removing motor M 15 M15PLL See Chapter 3. M15DIR (pick-up/feeding system) Figure 3-121 3-21 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 66 J2224B- 3 M23-A While M23 is rotating, Duplexing stacking M23-A* M 23 alternates between '1' and '0'. guide motor M23-B M23-B* Figure 3-122 3-22 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 67 T 4104 HVTR-K HVEL When '1', internal static eliminating Internal static eliminating roller high voltage is generated. T 4105 HVT1 PCB Figure 3-123 3-23 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 68 J 4703R HVDCEN-M HVDC-M Developing cylinder (Y) HVAC-M When '1', respective J 4703R HVDCEN-Y high voltage is generated. HVDC-Y HVAC-Y HVT3A-R PCB Figure 3-124 3-24 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 69 When '0', CNT4 turns ON. Counter 5 CNT 5 CNT5D* When '0', CNT5 turns ON. Counter 6 CNT 6 CNT6D* When '0', CNT6 turns ON. Figure 3-125 3-25 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 70: Sequence Of Basic Operations
• The fixing temperature means the surface temperature of the fixing roller (reading of the thermistor indicated under ‘ANALOG’ of ‘DISPLAY’ in service mode). 3-26 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 71 From the end of INTR (e.g., Start key) is until the Start key is pressed. pressed or the power switch is turned OFF. Table 3-101 3-27 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 72 (Image formation starts in relation to a registration signal.) Control in relation to signals other than the registration signal is discussed using separate timing charts. 3-28 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 73: Original Exposure System
Figure 3-201 Scanner motor (M29) No. 2 mirror mount Forward No. 1 mirror mount Signal plate Original scanner home position sensor (PS37) Figure 3-202 3-29 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 74: Sequence Of Basic Operations (Original Exposure System)
High-speed rotation. Standard CW rotation. Shading correction. Original position detection, black original detection, AE measurement. [C] Original scanning. [D] Marking area scanning. Figure 3-203 3-30 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 75 • During CCD adjustment (service mode). PS37 Original leading edge Start position Original HP search at power Shading correction Original detection Original scan Figure 3-204 3-31 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 76: Scanner Motor
The circuit cuts the current to the motor by the HOLD-OFF signal while the motor remains at rest during standby to prevent heating of the motor. 3-32 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 77: Changing The Reproduction Ratio
No. 1 mirror mount Signal plate Scanner home position detection signal (SCHP) Scanner home position sensor (PS37) Scanner motor driver PCB Reader controller PCB Figure 3-206 3-33 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 78: Controlling The Intensity Of The Scanning Lamp
(LA5) to turn OFF. When LAON=1, the lamp regulator drive circuit turns ON to activate the intensity control circuit, thereby turning ON the scanning lamp (LA5). 3-34 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 79: Controlling The Intensity Of The
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. 3-35 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 80: Image Processing System
Preview Monitor Board IP memory PCB Laser exposure system Image processor PCB ED board A1 Y,M,C,Bk To video controller PCB Digital video signal Figure 3-301 3-36 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 81: Ccd/Ccd Driver
Clock pulses (odd) Transfer block (odd) Output block (odd) CCD shift pulses Light-receiving block Transfer block (even) Output block (even) Clock pulses (even) Figure 3-303 3-37 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 82: Analog Image Processing
8-bit digital signals (A/D conversion) according to the voltage level and sent to the image processor PCB. 3-38 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 83: Digital Image Processing
Corrects differences in color space between CLC1000 and IPU or other external device. h. Preview Monitor Board (option) Converts video signals (YMCBk) after image processing into RGB signals for display on a CRT. 3-39 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 84 Y,M,C,Bk Interface Board B1/B2 Y, M, C text Y,M,C,Bk Y,M,C,Bk R,G,B IP memory PCB Preview Monitor Board ED board A1 R,G,B Figure 3-305 3-40 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 85 Note: The interface mother PCB and the image processor mother PCB are omitted from the block diagram to prevent confusion; blocks with the ∗ mark are explained on pages that follow. Figure 3-306 3-41 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 87 Measurements are taken each time the Start key is pressed. Original density White Standard white plate Figure 3-309 3-43 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 88 = 0.8 × (51st line image data) + 0.2 × (52nd line pixel data) 51.2nd line pixel data 3-44 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 89 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 P will be identified as an original. 3-45 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 90 (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 3-46 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 91 B. Reproduction ratio/reduction processing Image integration ED board R,G,B Image memory IP memory PCB Images A + B Image processor PCB Figure 3-321 3-47 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 92 In this block, the hue of a specific pixel is identified. The result of identification may be black, or other color. The Bk signal (explained later) is generated based on the above characteristics. 3-48 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 93 Ideal value Output value Color reproduction range of printer Color space (hue, vividness, brightness) of original Color reproduction range in photo original Figure 3-323 3-49 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 94 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. 3-50 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 95 Y, M, and C (toner). Reflected Absorbed Reflected Reflected Reflected Absorbed Table 3-301 Transmission through filter Reflection by toner Wavelength (nm) Wavelength (nm) Figure 3-327 Figure 3-328 3-51 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 97 Image density Image density Image density 1 pixel 1 pixel 1 pixel a. Original b. Enlargement at 300% c. After correction Figure 3-331 3-53 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 98 IP memory PCB Image compression Non-compression image memory Image memory (option) Image extension Text signal Y,M,C UCR processing Y,M,C,Bk Y,M,C,Bk Image processor PCB Figure 3-332 3-54 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 99: Characteristics
UCR amount to less than 100%. This processing is executed for each pixel. Figure 3-335 3-55 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 100 Y component of M toner. Real red could be reproduced by removing the Y component from M toner (masking) in advance. This block makes such correction by masking the excess component in each toner. 3-56 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 101 Main scanning direction White 0 White 0 After output After output Figure 3-338 Sharpness Mode Set to Weak Figure 3-339 Sharpness Mode Set to Strong 3-57 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 102 R,G,B Color data (registered color, selected from the color palette) To image processor PCB in the bit map memory is sent. Figure 3-340 3-58 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 103 Color conversion Bit map data generation Text data Converted into binary data to generate text data Bit map memory Color editing Figure 3-342 3-59 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 104 If text mode is selected for item e., a curve that enables reproduction of dark text without risking fogging will be selected (Figure 3-344). Copy density Copy density Dark Text mode Light Original density Original density Figure 3-343 Figure 3-344 3-60 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 105 The area image generation block generates image data for such items as an area frame to be displayed on the CRT; the initial data and the post-edit data are integrated and displayed on the CRT. 3-61 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 106: Outline
The laser beam hits and scans the negatively charged photosensitive drum (Figure 3-401) to form a static latent image on the photosensitive drum. 3-62 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 107 C/Bk, the laser beam scans the photosensitive drums in the opposite directions as shown in Figure 3-403. Rear Bk drum C drum M drum Front Y drum Figure 3-403 3-63 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 108: Sequence Of Operations (Laser Exposure System)
1 scan BD signal PWM activation Bk laser 00 activation Full activation Full activation 00 activation (*1) if only executed SALT control Figure 3-404 3-64 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 109: Laser Scanner Motor
‘E110’ on the control panel. Laser scanner motor driver SMRDY* Speed control circuit SMON* Laser scanner motor DC power supply PCB Figure 3-405 3-65 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 110: Generating The Bd Signal
Video controller PCB BD signal BD detection Y,M,C,K Video signal Main scanning synchronization Video signal Y,M,C,Bk Video signal Main scanning synchronization Figure 3-407 3-66 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 111: Outline
Video signal Test pattern Main scanning Sub scanning generation synchronization Read signal sync control Y,M,C,Bk Video signal Y,M,C,Bk Video data counter Figure 3-408 3-67 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 112 Y video signal (YVD) Y BD signal (YBD) Y main scanning sync signal (YSYNC*) Y read enable signal (YRE*) Y video signal (YVD) Figure 3-410 3-68 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 113 M read enable signal (MMRE) Paper length (feeding direction) M print enable signal (MPE) Image area M print area signal (MFRM) Figure 3-412 3-69 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 114: Density Correction
Density correction Y,M,C,Bk Figure 3-415 The video data (YMCBk) is corrected against the correction curve for correction and sent to the laser driver. 3-70 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 115 RAM for gamma correction. The selected video data is read from the RAM and sent to the laser driver. For how to use the test patterns which are generated and sample images, see chapter 7, Troubleshooting image problems. 3-71 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 116: Laser Driver
Signal generation for 200 lines/ 266 lines Mode signal Laser power adjustment PCB Error signal Intensity monitor Activation current generation Laser power setting Figure 3-417 3-72 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 117 (E100-xx02). Point of activation Current Activation current ON current Intensity Lower limit Point of activation Current Activation current current Figure 3-419 3-73 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 118: Image Position Correction
Feeding direction Discrepancy in main Discrepancy in sub scanning direction scanning direction Feeding direction Feeding direction Angle Discrepancy in reproduction ratio Figure 3-420 3-74 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 119 Center coordinates for CCD computation Correction data generation Video controller Laser unit Slant correction motor M3/M6/M8 Reproduction ratio correction motor M2/M5/M7 Figure 3-421 3-75 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 120 The Y, M, C, and Bk patterns are as shown in Reading (CCD) Figure 3-423. 256th pixels Feeding direction 1st pixel Figure 3-423 3-76 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 121 130th line. CCD array 256th pixel 128th pixel Feeding direction 0th pixel Accumulated value 0line 256th line 130th line Figure 3-425 3-77 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 122 C image print enable signal (CPE) Drum-to-drum distance + 21mm Bk image print enable signal (BkPE) Pattern read signal (CCDRD) Figure 3-426 Figure 3-427 3-78 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 123 ‘E194-0001’ will be indicated on the control panel. If the shutter close sensor does not detect the light-blocking plate when the shutter must close, ‘E194-0002’ will be indicated on the control panel. 3-79 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 124 In the case of Figure 3-430, the image position correction mirror is rotated in the direction shown in Figure 3-431 so that the scanning angle will be horizontal. Figure 3-431 3-80 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 125 In the case of Figure 3-432, the length of the optical path is increased, thereby increasing the width of scanning. Y drum Image position correction mirror Polygon mirror Figure 3-433 3-81 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 126 Video signal Memory for main scanning sync (FIFO) The read timing is varied at points indicated by broad arrows. Figure 3-436 3-82 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 127 Y read enable signal (YMRE) Paper length (feeding direction) Y print enable signal (YPE) Image area Y print area signal (YFRM) Figure 3-438 3-83 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 128: Image Formation System
DC controller PCB Environment sensor HVT2 HVT3 Potential sensor Toner supply clutch Laser output Photosensitive drum PASCAL SALT sensor Color toner density sensor Figure 3-501 3-84 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 129 Separation charging assembly HVT1 Transfer blade Pre-fixing charging Internal static eliminating roller assembly DC bias Transfer belt External static eliminating roller Figure 3-502 3-85 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 130: Basic Sequence Of Operations (Image Formation System)
Transfer current (M) Transfer current (C) Transfer current (Bk) Internal static eliminating current Separation charging bias Pre-fixing charging bias For developing bias, DC+AC Figure 3-503 3-86 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 131: Stabilizing Images
Environment sensor Environment sensor Potential sensor PASCAL PASCAL Developing cylinder Photosensitive drum Determines grid bias (Vg) and developing bias (Vdc) SALT sensor Figure 3-505 3-87 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 132 • If the temperature of the fixing roller is 110°C or less when the power switch is turned ON. Potential Correction • Each time the Start key is pressed. 3-88 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 133 Potential measurement FF activation 00 activation FF activation 00 activation Lasers for Y,M,C,Bk -300V -700V Grid bias -200V -500V Developing bias Figure 3-509 3-89 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 134 480 to 620 VFF-300V Surface potential at full activation 35 to 145 VFF-700V Surface activation at full activation 40 to 190 Table 3-501 3-90 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 135 The detail codes of E061 are explained below according to procedure for drum surface potential control and procedure for computation: a.Procedure for Drum Surface Potential Control at Power-On b Procedure for Computation and Associated Detail Codes 3-91 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 136 VL1 is 200 V or more and VL2 is xx17 Laser power adjustment (faulty) 400 V or more Intensity at VFF (too high) Table 3-503 3-92 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 137 Laser shutter (faulty operation) Laser power adjustment (faulty) Laser unit (faulty) xx53 V00 is lower limit (325 V) or less Video controller PCB (faulty) Table 3-504 3-93 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 138 Fulcrum Photo diode for reflected light intensity/measurement Photo diode for direct light Shutter solenoid intensity measurement (SL17Y, M, C, Bk) Shutter Figure 3-515 3-94 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 139 Start key Start key COPY LSTR STBY COPY LSTR STBY Toner density measurement for SALT Figure 3-516A 3-95 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 140 Halftone output by YMCK K solid Y solid C solid M solid Figure 3-518 (Test Print 1) Figure 3-519 (Test Print 2) 3-96 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 141: Primary Charging Assembly
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 Control signal HVT2-1 HVT2-2 Grid bias Primary charging assembly Pre-primary charging assembly Figure 3-520 3-97 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 142: Controlling The Primary Corona Current
DC controller HVT2-1 Corona current Variable width pulse Transformer oscillator circuit Current detection circuit Primary charging assembly Overcurrent detection circuit Feedback Figure 3-521 3-98 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 143 DC controller PCB Environment sensor HVT2-1 Grid bias Pulse oscillator circuit Transformer Overcurrent detection circuit Current Grid control circuit Voltage detection circuit Figure 3-523 3-99 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 144 DC controller PCB sensor HVT2-1 Corona current Transformer Variable width pulse oscillator circuit Current detection circuit Overcurrent detection circuit Pre-primary charging assembly Figure 3-524 3-100 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 145 (M24) is rotated clockwise for about 13 sec; then, when M24FW=0, M24RV=1, the motor is rotated counterclockwise for about 13 sec. This sequence of operations is the same for all colors. 3-101 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 146: Developing Assembly
Bk main hopper Developing cylinder Photosensitive drum M18Bk M18C M18M M18Y Bk developing motor C developing motor M developing motor Y developing motor Figure 3-526 3-102 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 147: Controlling The Developing Bias
Transformer for -1kV Transformer or stray toner Developing bias collecting electrode Stray toner collecting electrode Figure 3-527 AC bias Change by DC bias Figure 3-528 3-103 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 148 AC bias Transformer for -1kV Timing signal generation HVT3A (front) HVT3B For Y HVT3A (rear) (same as HVT3A (front)) For M Figure 3-529 3-104 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 149 The changes in the developing DC bias according to different voltage values are as shown in Figure 3-530. -200V -750V Developing DC bias Figure 3-530 3-105 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 150 DC controller PCB HVT3 DC bias Variable width pulse Transformer oscillator circuit Current detection circuit To stray toner collection electrode Figure 3-531 3-106 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 151 Detects the density of toner on the drum (SALT sensor) Measuring the Y, M, and C Toners Measuring the Bk Toner Figure 3-533 Figure 3-534 3-107 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 152 Direct intensity signal direct light is also measured at the same time. Detection of direct light Cylinder Figure 3-536 3-108 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 153 SGNL-M Toner density signal Detection of LEDON* reflected light Toner supply signal REF-M Toner supply clutch Detection of direct light Cylinder Figure 3-538 3-109 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 154 377 to 848 REF-M Surface activation at full activation 377 to 848 REF-C Surface activation at full activation 377 to 848 Table 3-505 3-110 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 155 Error detection sensor (TS1,TS2,TS3) Error detection signal (YTEP*,MTEP*,CTEP*) Toner supply clutch (CL1,2,3) Toner supply signal (CL1D*,CL2D*,CL3D*) Pick-up motor drive signal (M10MD) Pick-up motor Figure 3-539 3-111 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 156 (TS1, 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 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 157 Y,M,C,Bk Video data counter Cumulative count Bk toner supply Toner supply signal clutch (upper) Bk toner supply clutch (lower) DC controller Figure 3-541 3-113 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 158 Mirror a correction value when computing the density of the density pattern. Reflected intensity signal Detection of reflected light Figure 3-543 3-114 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 159 Various measurement data units may be checked The toner density is measured. in service mode. Figure 3-545 3-115 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 160 If the measurement SGNL-D-K is 60% or less of a specific value, ‘E020’ will be indicated. Dirt on sensor window Photosensitive drum Photo diode Figure 3-546 3-116 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 161 100th copy has been made. (See Figure 3-548.) 4 copies 100th 101st 199th 200th 201st 210th 210 copies Toner density measurement Figure 3-548 3-117 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 162 The toner density signal is used to determine how long toner should be supplied, i.e., how long the toner supply clutch should remain on. 3-118 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 163 1.2 sec Toner level sensor (lower; TS5) Toner present Toner absent Bk toner supply clutch (lower; CL5) Supply to developing assembly Figure 3-551 3-119 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 164: Cleaning The Photosensitive Drum
Developing motor (Y) feeding motor motor (Bk) M18C Developing motor (M) M18Bk Developing motor (C) Waste toner bottle DC controller PCB Figure 3-552 3-120 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 165 (M20) stops and ‘E013’ will be indicated on the control panel. (front of copier) Lock detection switch (MS4) Gear Waste toner feeding motor DC controller PCB Figure 3-553 3-121 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 166: Controlling The Transfer Unit Charging Mechanism
DC controller PCB HVT4 HVT5 HVT1 Separation charging assembly Pre-fixing charging Transfer assembly blade Internal static removing roller External static removing roller Figure 3-554 3-122 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 167 20 msec; the supply will return automatically thereafter. Further, with the help of the environment sensor, the current value is corrected each time the Start key is pressed. 3-123 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 168 20 msec; the supply will return automatically thereafter. Further, with the help of the environmental sensor, the current value is corrected each time the Start key is pressed. 3-124 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 169 If an abnormally high voltage occurs and, as a result, an overcurrent is detected, the OC signal turns Q2 OFF to stop the supply of transformer drive voltage for 20 msec; the supply will return automatically thereafter. 3-125 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 170 Transformer for DC Pulse oscillator circuit Current detection circuit Feedback Transformer for AC Pulse oscillator circuit Voltage detection circuit Separation charging assembly Figure 3-557 3-126 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 171: Pick-Up/Feeding Assembly
The microprocessor on the DC controller PCB generates the image leading edge signal (ITOP) as soon as the registration roller turns on, and the signal is used for reading image data from the memory PCB. 3-127 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 172 Pick-up vertical path roller 3 PS26 Cassette 2 pick-up roller Cassette 2 feeding roller PS27 PS28 Cassette 2 Cassette 2 separation roller Figure 3-601 3-128 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 173 Cassette 1 paper sensor PS38 Delivery vertical path sensor 1 PS24 Cassette 1 lifter sensor PS25 Pick-up vertical path 2 sensor Table 3-601 3-129 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 174: Pick-Up Assembly
RAM on the DC controller. (See chapter 7. II. Paper width Standards and Adjustments G. 1. Registering the Cassette/Multifeeder Paper Width Basic Setting.) Figure 3-602 3-130 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 175 (This A4-R information is not made open to the user.) LGL/LTR-R FLSC B4/B5 G-LTR 279 mm×432 mm (11”×17”)/LTR A3/A4 Table 3-602 3-131 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 176 Table 3-604 Registering the Paper Width Basic Settings See chapter 7. II. Standards and Adjustments G. 1. Registering the Casstte/Multifeeder Paper Width Basic Setting. 3-132 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 177 Table 3-605. Cassette Cassette 2 Duplexing unit Multifeeder Cassette 1 Name Pick-up roller CL14 CL10 CL12 clutch Pick-up roller SL10 releasing solenoid Table 3-605 3-133 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 178 Cassette 1 lifter motor Cassette 1 SL10 Cassette 2 lifter motor Cassette 2 Pick-up motor controller PCB CL14 CL15 Pick-up motor Figure 3-604 3-134 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 179 Lifter detecting lever Pick-up roller Feeding roller Paper detecting lever Cassette paper sensor Separation roller Cassette Lifter Lifter push-up plate Cassette lifter motor Figure 3-605 3-135 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 180 Separation roller Lifter sensor Pick-up roller Lifter detecting lever Paper detecting lever Pick-up roller Cassette paper sensor Paper Lifter Cassette lifter motor Figure 3-606 3-136 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 181 Pick-up vertical path roller 1 clutch (CL11) Registrant paper sensor (PS1) Transparency sensor (OHPS) Registration roller clutch (CL8) Post-registration sensor (PS14) Figure 3-607B (cassette 2) 3-137 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 182 Transparency sensor SL16 (OHPS) Multifeeder Sensor separation roller lever Registration Registration roller paper sensor (PS1) Multifeeder lifter motor Figure 3-608 3-138 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 183 (rear: PS5) Slide guide (front) Variable resistor Multifeeder paper sensor (front: PS4) Multifeeder relay PCB J2207B J2207B J2207B DC controller PCB Figure 3-609 3-139 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 184 (upper: PS2) Multifeeder pick-up rollers Slide guide Multifeeder lifter motor Multifeeder lifter sensor (lower: PS3) Sensor lever Lifter Front Multifeeder lifter Figure 3-610 3-140 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 185 Paper thickness detecting roller (upper) LED detecting roller Pressure spring clutch (front) Pick-up motor controller PCB Paper thickness detecting roller (lower) Figure 3-611 3-141 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 186 Paper thickness detecting roller clutch (CL7) Registration paper sensor (PS1) Registration roller clutch (CL8) Transparency sensor (OHPS) Registration releasing solenoid (SL16) Figure 3-612 3-142 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 187 Paper thickness detecting roller Transparencies Transparency sensor (OHPS) Registration roller Multifeeder separation roller Registration paper Sensor sensor (PS1) lever Transparency from cassette Figure 3-613 3-143 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 188 Registration roller (upper) releasing arm roller clutch Fulcrum Registration roller releasing solenoid Registration roller (lower) SL16 Spring clutch Registration roller releasing cam Figure 3-614 3-144 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 189: Paper Deck
(M10). Registration roller Photosensitive drum (M) Photosensitive drum (Y) Transfer belt Holding tray Paper deck Cassette 1 Cassette 2 Figure 3-615 3-145 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 190 Registration roller Paper deck pick-up roller Sensor lever Registration paper sensor (PS1) Paper deck feeding roller Paper deck Paper deck separation roller Figure 3-616 3-146 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 191 Paper deck pick-up roller releasing solenoid (SL8001) Paper deck feeding roller clutch (CL8001) Registration paper sensor (PS1) Registration roller clutch (CL8) Figure 3-617 3-147 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 192 (SW8002) switch (SW8003) cover Lifter lower limit signal (LFLM) Paper deck motor drive signal M8001 Paper deck motor -4,-5 Paper deck Figure 3-618 3-148 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 193 • The lifter up signal (STMUP) will be ‘1’. • The lifter down signal (STMDN) will be ‘0’. whereupon the lifter starts to move up. 3-149 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 194 Lifter up/down SW8002 lower limit switch control signal Cover open signal (STDO) Paper deck cover SW8003 open/closed detection switch DC controller PCB Figure 3-619 3-150 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 195: Duplexing Unit
PS30 PS21 Deflecting sheet PS29 PS31 SL12 Duplexing reversing motor SL11L SL11R SL11S Stopper plate solenoid Duplexing paper deflecting plate solenoids Figure 3-621 3-151 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 196 Feeding roller SL13 solenoid PS32 PS33 PS30 PS21 Deflecting sheet PS29 PS31 SL12 Duplexing reversing motor Stopper plate solenoid Figure 3-622 3-152 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 197 PS30 PS21 Deflecting sheet PS29 PS31 SL12 Duplexing reversing motor SL11S SL11L SL11R Stopper plate solenoid Duplexing paper deflecting plate solenoids Figure 3-623 3-153 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 198 Paper deflecting plate solenoid Ref. Paper size SL11L SL11L SL11L 279 mm x 432 mm (11''17'') LTR-R B5R/B5 Table 3-607 SL11L SL11R SL11S Figure 3-624 3-154 COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 199 Paper guide plates Light-blocking plate PS29 Duplexing stacking Duplexing stacking guide home position sensor

Canon 1000 Service Manual

Quick Links

7 Table of Contents

13 Chapter 1 General Description

29 Chapter 2 Copying Process

43 Chapter 3 Operations and Timing

237 Chapter 4 MECHANICAL SYSTEM

250 Table of Contents

Chapters

7 Table of Contents

13 Chapter 1 General Description

29 Chapter 2 Copying Process

43 Chapter 3 Operations and Timing

237 Chapter 4 MECHANICAL SYSTEM

250 Table of Contents

Troubleshooting

Also See for Canon 1000

Related Manuals for Canon 1000

Summary of Contents for Canon 1000

7
Table of Contents

13
Chapter 1 General Description

29
Chapter 2 Copying Process

43
Chapter 3 Operations and Timing

237
Chapter 4 MECHANICAL SYSTEM

250
Table of Contents

7
Table of Contents

13
Chapter 1 General Description

29
Chapter 2 Copying Process

43
Chapter 3 Operations and Timing

237
Chapter 4 MECHANICAL SYSTEM

250
Table of Contents