Page 2 IMPORTANT THIS DOCUMENTATION IS PUBLISHED BY CANON INC., JAPAN, TO SERVE AS A SOURCE OF REFERENCE FOR WORK IN THE FIELD. SPECIFICATIONS AND OTHER INFORMATION CONTAINED HEREIN MAY VARY SLIGHTLY FROM ACTUAL MACHINE VALUES OR THOSE FOUND IN ADVERTISING AND OTHER PRINTED MATTER.
Page 3 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 © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 4: System Configuration
Stapler Sorter-D3 Up to 10 sets of copies may be automatically sorted. Further, copies may be automatically sorted and then stapled in sequence. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 5: Table Of Contents
ASSEMBLY ....... 3-14 B. Relation Between Scanner A. Lens Drive Assembly ..3-14 Sensor and Signals ....3-6 B. Scanner Drive Assembly ..3-16 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 6 A. Pick-up Assembly ....5-10 D. Pick-Up from the B. Feeder Assembly ....5-17 Multifeeder ......5-5 C. Main Motor Assembly..5-21 II. JAM DETECTION ......5-7 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 7 CHAPTER 9 MAINTENANCE AND SERVICING PERIODICALLY REPLACED III. BASIC PROCEDURE FOR PARTS ..........9-1 PERIODIC SERVICING ....9-3 DURABLE PARTS .......9-2 IV. PERIODIC SERVICING SCHEDULE .........9-4 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 8 D. LIST OF SPECIAL TOOLS ..A-7 B. LIST OF SIGNALS/ E. LIST OF SOLVENTS AND COMMANDS ....... A-3 MATERIALS ........ A-8 C. GENERAL CURCUIT DIAGRAM ........A-5 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 9 Performed by the User ..1-9 III. NAMES OF PARTS ......1-5 IMAGE FORMATION A. External View ......1-5 PROCESS ......... 1-11 B. Cross Section ......1-6 A. Outline ........ 1-11 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 11: Chapter 1 General Description
HQ jumping toner. • The copier uses Canon’s own HQ (high quality) jumping toner for reproduction of clear characters and photos. • The toner is a single-component type, which provides stable images.
Page 12: Specifications
Automatic 2 cassettes Multifeeder (about 50 sheets of 80g/m Manual Transfer Corona Curvature and Static eliminator Separation Cleaning Blade Heat roller (900 W) Fixing COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 13: Performance
541 mm Weight 58.7 kg (approx.) Consumables Copy paper Keep wrapped to protect against humidity. Toner Avoid direct sun, and keep under 40°C, 85%. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 14 Paper size Cassette Copies/min DIRECT (297 420mm) (210 297mm) A4R (297 210mm) (257 365mm) (B4) (182 257mm) (B5) A5R (210 149mm) REDUCE ENLARGE 200% COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 15: Names Of Parts
[2] Multifeeder cover [3] Multifeeder tray [4] Developing assembly release lever [5] Feeder assembly release lever [6] Drum unit [7] Fixing assembly knob Figure 1-302 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 16: Cross Section
[18] Cassette 2 pick-up roller [28] Fixing unit [9] Primary corona unit [19] Feeder roller [29] Delivery roller [10] No. 6 mirror [20] Transfer corona unit Figure 1-303 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 18: Operation
If the machine is not functioning properly, the Service Call indicator will be displayed here. [6] Reset key Returns the copy mode to the standard mode. Table 1-401 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 19 Lights green when the machine is ready to copy. Lights red during copying. [20] Number keys Press to input the number of copies to be made. [21] Power indicator Table 1-402 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 20: Setting The Auto Shut-Off Time
Wipe the white surface on the underside of the copyboard cover with a cloth dampened with water or a mild cleaning agent. Then wipe with a dry cloth. 1-10 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 21 3) When you finish, insert the static eliminator back into the copier, and return it to its original position. 4) Return the transport area release lever to its original position. Close the front door. 1-11 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 22: Image Formation Process
5. Transfer Multifeeder Copy delivery 6. Separation Registration 7. Fixing Cassette1 Cassette2 Flow of copy paper Direction of rotation of drum Figure 1-502 1-12 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 23 Step 3: Image exposure Step 4: Developing (positive plus AC) Step 5: Transfer (negative DC) Step 6: Separation Step 7: Fixing Step 8: Drum cleaning 1-13 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 25 E. Basic Sequence of Operations B. Outline of Electric Circuitry ... 2-2 (Direct, continuous copying, 2 C. Inputs to the DC Controller ...2-4 sheets)........ 2-10 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 27: Chapter 2 Basic Operation
Pick-up Feeder control Copy tray assembly Copy delivery Fixing assembly assembly Cassette 1 Cassette 2 Paper pick-up and feed system Figure 2-101 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 28: Outline Of Electric Circuitry
The main motor (M2) is a stepping motor that uses the oscillation frequency of the crystal oscillator on the power supply assembly. The main motor (M1) is a brushless motor. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 29 Microprocessor Sensors, Switches Sorter Sorter controller PCB Microprocessor Sensors, Switches Paper deck pedestal Deck controller PCB Microprocessor Sensors, Switches ADF controller PCB Figure 2-102 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 30: Inputs To The Dc Controller
J34-1 J306-10 when paper is in lower cassette, ‘1’. LCPD (light-blocking plate is at Q7) Cassette 2 paper sensor Control panel Figure 2-103 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 31 LCSZ0 LCSZ1 Cassette 2 LCSZ2 size sensor LCSZ3 oscillation signal J27-2 J312-7 when right door is closed, ‘0’. RDC* Right door switch Figure 2-104 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 32 APS 0 J37-3 J317-13 (output) Document size DSLD1* when '0', LED goes ON; when identification 1 DSZ1* document is present, ‘0’. APS 1 Figure 2-105 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 33: Dc Controller Outputs
Scanner motor See page 3-8. circuit Power supply PCB Main motor J651-4 J324-4 when ‘1’, motor ON MLCK* when ‘0’, motor is moving Figure 2-106 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 34 PUSL2* when ‘0’, SL6 ON Registration roller clutch J308-3 RGCD* when ‘0’, CL1 ON Multifeeder clutch J312-9 MFCD* when ‘0’, CL2 ON Figure 2-107 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 35 J315-4 J314-11 when ‘0’, operates CCNTD* C.C.V. Control card unit J314-10 (CC1) CSTBY* when ‘0’, card sensed J315-3 See page 4-5. Figure 2-108 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 36: Basic Sequence Of Operations (Direct, Continuous Copying, 2 Sheets)
INTR About 2.2 sec after the Stabilizes drum sensitiv- (initial rotation) Copy Start key is pressed. ity to prepare for copying. Table 2-101a 2-10 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 37 (last rotation) stops after SCRV for the last copy. last copy ends. STBY Waits until the Copy Start (stand-by) key is pressed. Table 2-101b 2-11 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 39 ASSEMBLY ....... 3-14 B. Relation Between Scanner A. Lens Drive Assembly ..3-14 Sensor and Signals ....3-6 B. Scanner Drive Assembly ..3-16 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 41: Chapter 3 Exposure System
1. The relative position of the mirrors is not changed to vary the reproduction ratio. 2. For Direct copying, the speed of the mirror is the same as the peripheral speed of the drum. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 42: Lens Drive System
4-16. The DC controller indicates ‘E210’ on the control panel in response to an error in the lens drive system. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 43 CHAPTER 3 EXPOSURE SYSTEM Scanner drive capstan Coupling gear Solenoid "ON" Scanner motor (M2) Lens drive cable Idler gear Lens Enlargement direction DC controller PCB Figure 3-201 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 44: Basic Lens Drive System Operation (Change Of Reproduction Ratio)
This operation is executed also when the zoom mode is switched to the Direct mode. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 45: Scanner Drive System
Signal generating plate Coupling gear Forward (rear) Scanner motor (M2) Solenoid "OFF" Scanner motor drive signal DC controller Motor drive circuit Power supply PCB Figure 3-301 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 46: Relation Between Scanner Sensor And Signals
Signal name Meaning Forward Reverse Scanner home SCHP • Grid bias ON position sensor (Q3) • After 0.1 seconds, scanner stops advancing Table 3-301 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 47: Basic Scanner Operation
INTR SCRV SCFW SCRV LSTR Scanner home position sensor (Q3) signal Pre-registration paper sensor (Q2) signal Forward Reverse Scanner movement Scanning lamp Figure 3-302 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 48: Scanner Motor Drive System Operation
E202 is indicated if the scanner does not reach the home position within a specific time after it has started to move. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 49 Scanner speed control command (SCCLK) Scanner forward command (SCFW*) Scanner motor Scanner motor drive command (SCMD*) DC power DC controller PCB Supply PCB Figure 3-303 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 50: Scanner Movement For Two-Page Separation Mode
210 mm, the point at which the scanner reverses in I will be the leading edge of the second page of the document. III: Same as I. 3-10 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 51: Document Size Identification
If the document is too thick and, therefore, if only SW4 goes ON, the document size is identi- fied based on the current output level. 3-11 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 52 Copyboard cover switch 1(SW4) Copyboard cover switch 2(SW5) Document identification timing Document identification circuit LED Figure 3-306 Document Identification Timing 3-12 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 53 Document identification signal 0 (DSZ0) signal 1 (DSZ1) Copyboard cover signal 1 (CBCC1) DC controller PCB Copyboard cover signal 2 (CBCC2) Figure 3-307 3-13 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 54: Disassembly And Assembly
Lens pulley Lens pulley fixing plate 4 turns Mark with scriber Mounting screws Cable mount Mark with scriber. Pullely mount Figure 3-401 3-14 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 55 3) Shift the pulley mount to the position marked with a scriber, and fix it in place using two screws. 3-15 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 56: Scanner Drive Assembly
Under grove of the pulley Scanner pulley Pulley 2 Screw B 4 turns Mark Screw A the position Figure 3-404 Scanner Drive Assembly 3-16 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 57 2 mirrors is short, the copy image will be No.1mirror mount Fixing screws enlarged; if long, reduced. (front) Mirror drive cable (rear) Figure 3-407 3-17 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 58 2) Detach the lens cover, and insert the mir- ror cleaning tool as shown in Figure 3- 410. Figure 3-409 No.4 mirror Mirror cleaning tool No.5 mirror Figure 3-410 3-18 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 59 Mirror cleaning tool Figure 3-412 Lubricating Clean the scanner rail; then, apply lubri- cant evenly over it. 3-19 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 61 B. Blank Assembly ....4-20 A. Outline ........4-8 C. CORONA SYSTEM.... 4-21 B. Operation ......4-9 D. Development System ..4-24 C. Developing Bias Operation ......4-11 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 63: Image Formation System
HVTON command (HVTON*) AC BIAS ON command High-voltage DC controller (ACBON*) transformer (HVT) DC BIAS control command (DCBC) GRID BIAS control signal (GRBC) Figure 4-101 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 64: Basic Operation Of Image Formation System
Scanner home position sensor (Q3) signal Scanning lamp (LA1) Primary/transfer corona assembly Grid bias ON/OFF Developing bias DC component Developing bias AC component Figure 4-102 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 65: Controlling The Scanning Lamp
The scanning lamp (LA1) is controlled by the DC controller PCB and the lamp driver PCB. • turns the scanning lamp ON and OFF. (DC controller PCB) • controls the intensity of the scanning lamp. (lamp driver PCB) COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 66: Mechanism
Phase switching control circuit LAMP SHIFT J305 J203 J202-3 Switching circuit LAMP-ON Triac-triggering circuit DC controller PCB Lamp driver unit Short connector Figure 4-201 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 67: Primary/Transfer Corona Current And Grid Bias Voltage Control System
Variable pulse width oscillator goes OFF. High-voltage transformer goes OFF. b. When HVTON*=0 Differential amplifier goes ON. Variable pulse width oscillator goes ON. High-voltage transformer goes ON. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 68: Maintaining Primary/Transfer Corona Current Constant
Grid T3 drive circuit Differential pulse amplifier width High-voltage transformer Photosensitive oscillator drum Limiter OVER CUR_LEV circuit Transfer corona assembly Comparator GRDON Figure 4-301 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 69: Controlling Grid Bias Voltage
The timing at which the grid bias is switched may be varied using “C3” or “C6” in the service mode (leading edge non-image width adjustment). COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 70: Controlling The Developing Bias
To compensate for this, a copy density knob, which can be turned to raise the DC bias by exactly the increace in V , and thus to produce clear copies again. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 71: Operation
1300VAC AC bias, which is supplied to the developing cylinder. Also, the output of the AC high-voltage transformer is rectified and supplied to the static charge eliminator (approx. 3.2 kV). COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 72: Developing Bias
Variable lever circuit amplifier Rectifier Developing pulse-width DCBC oscillator cylinder Black converter developing DC high-voltage Static charge assembly transformer T2 eliminator Figure 4-402 4-10 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 73: Developing Bias Operation
* The value of the DC BIAS CONTROL command and the DC bias are determined by (1) the setting of the copy density lever and copy density knob, (2) and the AE sensor output. 4-11 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 74: Operation
30mm 70mm For reference: B6 size Approx. 28mm Note: Approx. Approx. A is the position of the AE sensor 25mm 25mm Figure 4-501 4-12 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 75: Reading The Output Of The Ae Sensor
‘C00’ or ‘C01’ is used in the service mode. ZXDP Lamp Q315 driver Q702 J34-2 J317-8 Q701 AEGIN J34-1 J317-7 VR301 AE sensor PCB DC controller PCB Figure 4-502 4-13 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 76: Developing Assembly/Drum Claener
There is a torque limiter in the drive train between the main motor and the drum to stop the drum in response to a jam in the drum cleaner. 4-14 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 78: Movement Of The Blank Exposure Mechanism
(front) Blank Spring solenoid (SL4) Figure 4-701 Reflector Exposure window Blank solenoid (SL4) Pre-exposuer lamp Cut-offs Blank exposure shutter (front) Reflector Figure 4-702 4-16 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 80: Disassembly And Assembly
Do not leave fingerprints on the scan- ning lamp. iii. Dry wipe the scanning lamp if it is soiled. 4-18 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 81 When moving the No. 1 mirror mount, be sure to hold its right side. 3) Remove the two screws [2], and detach the thermal fuse [3]. Figure 4-803 4-19 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 82: Blank Assembly
3) Hold the blank assembly on its bottom, and remove the four screws [3]; then, pull out the pre-exposure unit to the front. (rear) Figure 4-805 4-20 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 86: Development System
3) Hold the grip on the developing assembly, and take the assembly out of the copier. [ 1 ] [ 2 ] Figure 4-813 4-24 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 87 4) Remove the two screws [3], and detach the blade mount together with the blade. [ 3 ] Figure 4-815 4-25 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 88 7) Remove the two E-rings [9], and remove the two gears [10]. [ 10 ] [ 9 ] [ 10 ] [ 9 ] Figure 4-818 4-26 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 89 [14] [ 11 ] [13] Figure 4-819 9) Detach the developing cylinder [15] and the manetic side seal [16]. [15] [16] Figure 4-820 4-27 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 90 Magnetic Butted. side seal Figure 4-821 Sponge Blade Magnetic cylinder Magnetic side seal Figure 4-822 4-28 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 91 Note: Do not loosen the screws excessively, or the blade may come off the positioning pin found at the center. 4-29 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 93 III. FEEDER SYSTEM....5-10 D. Pick-Up from the A. Pick-up Assembly ....5-10 Multifeeder......5-5 B. Feeder Assembly ....5-17 C. Main Motor Assembly..5-21 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 95: Chapter 5 Pick-Up/Feeding System
CASSETTE PAPER EMPTY signals (UCPD, LCPD) becomes ‘0’, causing the Add Paper indica- tor on the control panel to go ON. Pick-up roller Control ring Figure 5-101 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 96 Registration Feed drum roller roller 2 Pick-up roller Cassette 1 Cassette 1 size sensor Pick-up roller Cassette 2 Cassette 2 size sensor Figure 5-102 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 97: Pick-Up And Feeder Operation
Scanner home position sensor (Q3) signal Pick-up clutch solenoid (SL1) Registration roller clutch (CL1) Pre-registration paper sensor (Q2) signal Delivery paper sensor (Q5) signal Counter Figure 5-103 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 98: Identifying The Cassette Size
STMT 5.5 8.5 (140 216) Legal 8.5x14 (216 356) Letter R 8.5 11 (216 279) Ledger R 11 17 (279 432) (unit: mm) Table 5-101 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 99: Pick-Up From The Multifeeder
Main motor Pre-registration (Q2) Multifeeder Multifeeder paper sensor tray paper sensor Pick-up roller (Q1) Holding tray Cam mechanism Multi- feeder Clutch solenoid Figure 5-104 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 100 STBY Multifeeder paper sensor (Q1) Main motor (M1) Multifeeder clutch (CL2) Pre-registration paper sensor (Q2) Multifeeder solenoid (SL3) Registration roller clutch (CL1) Figure 5-107 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 101: Jam Detection
The microprocessor identifies a jam in any of the following four cases. Also, the microproces- sor judges that there is a jam if one of the sensors detects paper when the power is switched ON. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 102: Pick-Up Assembly Delay Jam
Pre-registration paper sensor (Q2) signal Main motor (M1) * Upper cassette: 1.8 sec Lower cassette: 2.7 sec Figure 5-202 (cassette pick-up assembly delay jam) COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 103: Delivery Assembly Stationary Jam
4.6 sec 4.6 sec Jam check Normal Abnormal Delivery paper sensor (Q5) signal Main motor (M1) Figure 5-204 (delivery assembly stationary jam, A4 size) COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 104: Feeder System
[2]. 3) Detach the solenoid unit [3]. Figure 5-301 4) Detach the control ring [4] from the pick- up roller shaft. Figure 5-302 5-10 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 105 [6] (2 screws) as if to lift it. (This applies only when you are detaching the lower pick-up roller shaft.) Figure 5-304 5-11 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 106 [11] [10] Figure 5-306 11) Detach the pick-up roller bushing [12] found at the front. [12] Figure 5-307 5-12 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 107 CHAPTER 5 PICK-UP/FEEDING SYSTEM 12) Shift the pick-up roller shaft [13] to the [13] rear, and detach the pick-up roller shaft from the front. Figure 5-308 5-13 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 108 Figure 5-309 (viewed from above) Figure 5-310 (viewed from above) 2) Detach the rubber [3] from the pick-up roller; see Figure 5-311. Figure 5-311 5-14 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 109 Figure 5-313 3) Push and turn the pad spring support [3] assembly found at the bottom of the right door unit 90°. Figure 5-314 5-15 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 110 [6]. Note: Be sure to replace the pad also whenever the multifeeder roller is replaced. Figure 5-316 5-16 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 111: Feeder Assembly
4) Detach the inside cover, and remove the E-ring [3]; then, detach the bushing [4]. 5) Detach the grounding wire (1 screw) [5]. Figure 5-318 5-17 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 112 6) Hold the side of the feeder assembly [6] and pull it out toward the front slowly as if to lift it. Figure 5-319 5-18 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 113 [4] in place. Figure 5-321 4) Remove the three screws [5], and detach the terminal holder [6] found at the rear. Figure 5-322 5-19 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 114 5) Remove the two screws [7] found at the rear, and detach the corona assembly rail [8]. Figure 5-323 6) Detach the feeder belt [9]. Figure 5-324 5-20 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 115: Main Motor Assembly
2) Disconnect the J651 [1] on the main mo- tor. 3) Remove the three screws [2]. 4) Remove the main motor mount [3]. Figure 5-326 5-21 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 117 Figure 5- Adjusting 329. screws Belt 2 2.4 kg Main motor Pulley Pick-up support plate drive unit Figure 5-329 5-23 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 119: Fixing System
BASIC OPERATIONS ....6-1 DISASSEMBLY AND A. Outline ........6-1 ASSEMBLY ........6-4 B. Operation of the Fixing A. Fixing Assembly ....6-4 Assembly Temperature Control System ........6-3 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 121: Chapter 6 Fixing System
The thermal switch (TS1) cannot be used after its contact has opened: the contact will not return to its normal state at room temperature. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 122 Thermoswitch F1 230˚C J303 HTRD K100 J301-2 HTPT Error and Differential detection circuit Differential PCB Power supply assembly DC controller PCB PW_ON_OFF Figure 6-101 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 123: Operation Of The Fixing Assembly Temperature Control System
• If the fixing temperature is shifted by service mode C17, the warm-up temperature is shifted according to the fixing temperature. • For pre-heating, the temperature control is not changed. However, LEDs on the control panel are cut-off. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 124: Disassembly And Assembly
Lower separation claw Figure 6-201 Detaching the Fixing Assembly 1) Remove the screw [1], and detach the fix- ing assembly knob [2]. Figure 6-202 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 125 Figure 6-203 3) Disconnect the three connectors [6]. Figure 6-204 4) Remove the two screws [7], and slide out the fixing assembly. Figure 6-205 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 126 [1] from the heater mount plate [2] found at the rear; then, pull out the heater mount plate (rear) and the heater [3] carefully. Figure 6-207 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 127 6) Remove the screw, and detach the thermal switch mount [3]. Figure 6-209 7) Remove the C-ring [1] at the rear, and de- tach the gear [2]. Figure 6-210 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 128 11) Push the pressure spring of the lower fix- ing roller using a screwdriver [1], and de- tach the upper fixing roller [2]. 12) Detach the lower fixing roller [3]. Figure 6-213 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 129 10 mm from each end. Dimension Measure after the upper and lower rollers have heated up. 4.0 ±0.5 mm |a-c| 0.5 mm or less Table 6-201 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 130 5) Measure the width of the toner portion which has a glossy surface, as shown in Figure 6-214. 6) Press the service switch (SW300) to exit from the service mode. 6-10 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 132 Detaching the Clearing Brush Roller 1) Open the delivery assembly. 2) Release the spring from the hook [1]. 3) Detach the cleaning roller [2]. Figure 6-218 6-12 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 133 3) Remove the three screws [1], and detach the upper separation claw assembly [2]. Figure 6-219 4) Remove the spring, and detach the upper separation claw. 6-13 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 134 If a scratch is noted on the upper fixing roller, move the upper separation claw assembly about 4 mm toward the front. Figure 6-221 6-14 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 135 1) Open the delivery unit. 2) Slide the lower separation guide plate [1] to remove. Figure 6-222 3) Remove the spring, and remove the lower separation claw. 6-15 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 137 A. AC Power/DC Power B. Control Panel ......7-6 Supply ........7-1 C. Copyboard Cover ....7-7 DISASSEMBLY AND D. Fans........7-7 ASSEMBLY ........7-3 E. PCBs ........7-10 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 139: Chapter 7 Externals/Auxiliary Mechanisms
• The tolerances for the DC power supply are as follows: +24V ±4% + 5 V ±3% • Repeated short-circuiting and resetting can cause the built-in fuse to blow. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 140 Lamp Halogen driver lamp Fuser driver Solenoids/ Clutches DC/DC converter Main motor DC controler Motor driver AE sensor Scanner Photointerrupters motor Sorter Figure 7-101 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 141: Disassembly And Assembly
Use alcohol when cleaning the glass; do not use solvent, or the white paint along the right edge of the glass may melt. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 142 2) Disengage the two hooks [1]. Figure 7-204 3) Detach the right door [3] as if to lift it out of the cut-offs [4]. Figure 7-205 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 143 2) Remove the two screws [1]. 3) Disengage the hook [2]. 4) Detach the upper rear cover [3] as if to lift yyyyyy yyyyyy yyyyyy Figure 7-206 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 144: Control Panel
4) Lift the control panel [4] to the front, and turn it over. Note: Do not force the control panel, or the harness connected to it may snap off. Figure 7-210 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 145: Copyboard Cover
1) Detach the rear cover. 2) Detach the filter case [1] as if to lift it from the bottom. yyyyyyy yyyyyyy yyyyyyy yyyyyyy Figure 7-212 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 146 4) Disconnect the connector [2] (J309) from the DC controller PCB. 5) Remove the three screws [3], and detach the scanner cooling fan [4]. Figure 7-213 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 147: Pcbs
6) Hold the exhaust fan assembly [2] on its bottom, and remove the two screws [3]; then, pull the assembly to the front. Figure 7-215 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 148 3) Remove the two screws [1], and then re- move the power supply PCB [2] with its mount. Figure 7-217 Note J111 and J112 are interchangeable. 7-10 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 149 IV. RELOCATING THE COPIER ..8-17 E. Checking the Image ....8-8 INSTALLING THE CONTROL III. SETTING THE CASSETTE CARD-V ........8-18 SIZE ..........8-9 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 151: Chapter 8 Installation
10 cm min. 1.5 m min. Copier 2 m min. Figure 8-101 10 cm min. 1.5 m min. Copier 2.5 m min. Figure 8-102 (with sorter) COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 152: Unpacking And Installing The Copier
Open up the side of the packing case com- pletely, and slide out the copier onto this side. Remove the two polystyrene shells from the copier. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 153 Cushion blocks Disengage the feeder assembly, remove the knob, and remove the dummy drum. Dummy drum Knob Keep the knob for use later. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 154 Attach the multifeeder tray to the copier. Multifeeder tray Push the cassette and remove the cushion material from the cassette (upper and lower cassettes). Cushion material COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 155: Mounting The Drum
Move the grip to clean the corona wire of the drum unit two to three times. Set the developing assembly in the copier, The front cover may be left open. and engage it. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 156: Checking The Operation
Check that counter operations properly. Check that the reading has increased by the number of copies made from the reading recorded in step 8. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 157: Adding Toner
The operation causes the toner inside the the copyboard after the Copy Start key goes developing assembly to be stirred. green, and make six to ten copies. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 158: Checking The Image
Do not touch the drum; if its surface is soiled, wipe off the dirt using a flannel cloth coated with toner. Do not use paper, lint-free or otherwise, or use a dry cloth or solvent. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 159: Setting The Cassette Size
G.LGL, AUS. FLS, BLV., ARG.LGL, Officio 216mm 317mm E., OFC (8.5" 12.5") Ecuadorean 220mm 320mm Officio (8.0" 12.6") Bolivian 216mm 355mm Officio (8.5" 14.0") Table 8-301 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 160 6) Slide the paper size plate along the index on the bottom of the cassette to suit the Screw desired paper. Figure 8-304 8-10 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 161 Side stop plate Size plate Side stop plate Size plate Figure 8-305 9) Fix the side stop plate in its original loca- tion. 8-11 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 162 [2] [1] B5-R A4-R A5-R STMT-R LTR-R : tab present U1: Korean-R U2: Others U3: Korean, Argentine Letter, Gov- ernment Letter. Figure 8-306 8-12 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 163 12) Attach the size label on the cassette; if the label is not available, write the size on a blank strip of paper. 8-13 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 164: Replacing The Cassette Spring
FOOLSCAP FOLIO AUSTRALIAN FOOLSCAP KOREAN-R ECUADORIAN OFICIO Rubber stopper BOLIVIAN OFICIO 1) Remove the rubber stopper from the in- side plate. Figure 8-308 8-14 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 165 Inside plate at the rear is correctly set on the fixing behind Claw the inside plate. Cassette Spring Figure 8-311 8-15 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 166: Removing The Pick-Up Roller
LTR, KOREAN, or KOREAN-R, remove the pick-up rollers as shown below (metric roll- ers). • GOVERNMENT LTR and KOREAN Figure 8-312 • KOREAN-R Figure 8-313 8-16 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 167: Relocating The Copier
Tape the front door and delivery assembly. Place a sheet of A3 or 11" 17" paper on the copyboard glass, and tape the copyboard cover. Table 8-401 8-17 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 168: Installing The Control Card-V
Figure 8-501 3) Set the control card main unit [1] and fix it to the control panel with four screws [2]. Figure 8-502 8-18 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 169 [2] and the control panel PCB connector [3]. Figure 8-504 6) Route the cable [1] as shown in Figure 8- 505. Figure 8-505 8-19 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 170 Figure 8-506 8) Attach the control panel sheet [1] to the control panel. Figure 8-507 9) Attach the control panel to the main body. 8-20 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 171: I. Periodically Replaced Parts
CHAPTER 9 MAINTENANCE AND SERVICING PERIODICALLY REPLACED III. BASIC PROCEDURE FOR PARTS ..........9-1 PERIODIC SERVICING ....9-3 DURABLE PARTS .......9-2 IV. PERIODIC SERVICING SCHEDULE .........9-4 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 173 FF1-9438-070 60,000 Transfer corona wire FY3-0040-000 60,000 Table 9-101 Note: The above values are estimates and are subject to change based on future data. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 174 FG3-0351-00P 300,000 Oil applying roller FA0-0711-00P 60,000 Table 9-201 Note: The above values are estimates and are subject to change based on future data. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 175: Basic Procedure For Periodic Servicing
Clean up around the copier. Record the final counter value. Fill in the service sheet and report to the person in charge. Table 9-301 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 176: Periodic Servicing Schedule
Lower face of drum unit Coupling pin * Items to be cleaned every 15,000 copies or every 6 months, whichever comes first. Table 9-401 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 177 B. Using the Service Mode ... 10-66 A. Troubleshooting of C. Guide to Service Mode ..10-67 Malfunction ....... 10-39 IX. SELF DIAGNOSIS ....10-70 A. Self-Diagnosis ....10-70 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 178 Guide to Troubleshooting Tables The troubleshooting procedures in this manual are prepared in the form of tables, rather than flow charts. Study the following for an idea of how to consult the tables. EX. AC power is absent. Cause/Fault Step Checks YES/NO Remedies...
Page 180: Periodic Maintenance Check Points
Paper guide plate Cleaning Separation and Transfer assemblies Location Tool/Cleaner Action/Remarks Transter guide Damp cloth Cleaning Feeder belt, Feeder assembly Figure 10-102 10-2 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 181: Standards And Adjustments
The standard leading edge nonreproduced area on a Direct copy of the test sheet is 2.0 ±1.5 2.0 + 1.5 mm Figure 10-202 A higher setting (C03) increases the leading edge non-image width; in units of 0.25 mm. 10-3 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 182 Loosen the two screws, and adjust the latch assembly for the cassette found on the back of the bottom plate by sliding it. Feeder release Screws lever Cover Figure 10-205 10-4 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 183 3) Shift the pulley fixing base to the position of the scriber mark; then fix it with the two fixing screws. 10-5 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 184 Top groove of the pulley (rear) Under groove of the pulley Scanner pulley Pulley 2 Screw B Screw A 4 turns Mark the position Figure 10-207 10-6 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 185 207 to achieve this reading. Mirror 1.0 + 0.5 kg Scanner 2 and 3 mount Pulley1 Pulley 2 Pulley3 Scanner drive capstan Figure 10-208 Top View 10-7 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 186 Sheet B Figure 10-210 x=y Correct x>y Move the scanner in direction [a] (Figure 10-211). x<y Move the scanner in direction [b] (Figure 10-211). 10-8 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 187 If the distance between the mirrors is short, the image will be enlarged. If the distance is long, the image will be reduced. No.1 mirror mount Fixing screws (front) Mirror drive cable (rear) Figure 10-211 Top View 10-9 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 188 2.4 kg, and fix it in place when it stops; see Figure 10-213. Adjusting Belt 2 screws 2.4 kg Main motor Pulley Pick-up support plate drive unit Figure 10-213 10-10 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 191 Screw hole Sponge Magnetic Butted. side seal Figure 10-218 Sponge Blade Magnetic cylinder Magnetic side seal Figure 10-219 10-13 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 192 5) Measure the width of the toner portion which has a glossy surface, as shown in Figure 10-220. 6) Press the service switch (SW300) to exit from the service mode. 10-14 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 193 Cassette size Indication on spring scale A3 and LGR cassette 390 ±30g A4R and LTR-R cassette 350 ±20g STMT 330 ±40g Table 10-202 10-15 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 194 7) Enter a setting so that the measurement between [A] and [B] (step 5)) is between 70 and 75 Note: A higher setting increases the measurement, i.e., the multifeeder clutch OFF timing is de- layed (in units of 0.25 mm). 10-16 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 195: Electrical
VR No Purpose VR301 Adjusting AE reference point Table 10-203 SW No Purpose SW300 Press to enter or leave the service mode. Table 10-204 10-17 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 196 CHAPTER 10 TROUBLESHOOTING Lamp driver PCB J204 VR202 J202 J201 J203 Figure 10-224 VR No Purpose VR202 Lamp intensity adjustment Table 10-205 10-18 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 197 13) Enter the value recorded in step 10) using the numeric keypad. Document density Test sheet Sheet of newspaper When the setting is lowered. When the setting is raised. Figure 10-226 10-19 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 198 2) Turn the VR so that No. 9 of the gray scale on the copy is the same density as gray scale No. 8 on NA-3. 10-20 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 199 STANDBY, move the arm up and down manually. • Arm raised: voltage approx. 0.6V • Arm lowered: voltage approx. 0V 10-21 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 200: Image Troubleshooting
If the transfer guides or feed guides are dirty, clean them with a damp cloth. Check the Fixing Assembly Check the Static Charge Eliminator 10-22 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 201 When defects such as uneven density (differences in the density on the near and far sides of the copy), lightness or fogging occurs, first make the adjustments outlined in “Basic image Adjustment Procedures.” 10-23 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 205: Troubleshooting Of Image Faults
Is the image quality improved after the End. proofing glass lens, dust proofing glass, and mirror are Photosensitive cleaned? Replace the drum unit. drum 10-27 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 206 "Add Toner indicator does not go ON." Developing bias Check if the developing bias is being supplied to the developing cylinder. 10-28 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 207 1. Clean all the corona sembly and wires once more; then, copy paper recheck the position of each corona wire. 2. Try changing the copy paper. 10-29 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 208 Pre-exposure Are the pre-exposure lamps brighter after End. lamps they are cleaned? Feed roller Clean the feed roller be- low the developing unit. 10-30 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 209 2. Check and clean the separation claws and fixing blade. Check for dirt at the inlet of the fixing assembly. 10-31 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 210 Does the image improve after the corona End. rona assembly wires and frame of the transfer corona as- Static charge sembly are cleaned? Clean the static charge eliminator eliminator. 10-32 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 211 2.Adjust the tension of the scanner drive cable. Dirt on the co- Clean each corona as- rona wires sembly (wires and frame). 10-33 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 212 Check if the recom- mended paper is being used. If the results are satisfactory when the recommended paper is used, instruct the user to use it. 10-34 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 213 DC controller PCB to the registration roller clutch. If it is normal, replace the registration roller clutch. DC controller Replace the DC control- ler PCB. 10-35 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 214 Does the position of the dark lines change Check the scanner. blurring on a Reduce copy as compared with a Di- Paper feeder rect copy? Check the paper feeder. blurring 10-36 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 215 Replace the high-voltage transformer troller PCB. Is the voltage approx. 15V transformer (HVT). (HVT) when the scanner is advancing and 0V at other times? 10-37 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 216: Black Image
22. Black image YES/ Cause Step Checks Action Does the scanning lamp go ON during Check according to copying? "Scanning lamp does not go ON." 10-38 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 217: Operation Troubleshooting
(TH1/TH2) are replaced? DC controller Replace the power sup- PCB, ply PCB or the DC con- DC Power troller PCB. supply PCB 10-39 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 218 (See p. 10-19.) Q3. If it is normal, re- place the scanner home position sensor (Q3). DC controller Replace the DC control- ler PCB. 10-40 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 219 Action Power supply Does the problem disappear when the End. power suply PCB is replaced? DC controller Replace the DC control- ler PCB. 10-41 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 220 PCB or ADF controller PCB is replaced? Replace the cable be- controller tween the DC controller PCB and the ADF con- troller PCB. 10-42 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 221 Is it smooth? DC controller Replace the DC control- ler PCB. Note You can check the automatic shut-off operation by service mode C20. 10-43 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 222 (SW1). Wiring the resistance 0 when the switch is “ON” Check the AC power line and infinite when “OFF”? wiring and connectors. 10-44 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 223 ( ) lead is con- is con- nected nected 50VDC J110-1/2 J110-6 10VDC J110-5 J110-6 DC controller Replace the DC control- ler PCB. 10-45 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 224 Is resistance approx. 165 . SL6. DC controller Replace the DC control- SL 1 J308-5 and J308-6 ler PCB. SL 6 J308-1 and J308-2 10-46 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 225 J308-4. Press the Copy Start key. Does ers or drive gears inter- the voltage change from 0V to about 24V? fere with other parts? Remove parts as neces- sary. 10-47 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 226 Scanner motor Does the problem disappear when the End. (M2) scanner motor (M2) is replaced? DC controller Replace the DC control- ler PCB. 10-48 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 227 CHAPTER 10 TROUBLESHOOTING Engaged Connecting gear Scanner pulley Scanner motor (M2) Figure10-401 10-49 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 229 (+) lead to J303-4 and the ( ) lead ler PCB. Power supply to J303-6. Switch the power ON. Is the Replace the power sup- voltage approx. 1V? ply PCB. 10-51 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 230 J313-2 and the ( ) lead to J313-1. Press the Copy Start key. Does the voltage change from approx. 0V to approx. 24V? 10-52 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 231 Q1, Q6 or Q7. If it is Cassette paper (See p.10-19.) normal, replace Q1, Q6 sensor (Q6, or Q7. DC controller Replace the DC control- ler PCB. 10-53 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 232 (TS1). Control panel Does the problem disappear when the con- End. DC controller trol panel is replaced? Replace the DC control- ler PCB. 10-54 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 233 Does the stirring rod inside the black de- Check the stirring rod gear veloping assembly operate normally? and gear. Black toner Replace the black toner level sensor level sensor (TS1). 10-55 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 234: Troubleshooting The Feeding Problems
[3] Fixing and delivery assembly area [4] Drum cleaner area Troubleshooting of paper jamming is described here for each of the above areas. Figure 10-501 10-56 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 235 1.Check each feed roller and paper for wear and deforma- guide plate tion. 2.Check the paper guide plate for burrs or de- formation. 10-57 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 236 Is the paper guide wire of the transfer co- Install the wire correctly. guide wire rona assembly installed correctly? Feeder belt Check the feeder belt, roller, and pulleys. 10-58 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 237 Static charge Check if voltage is being eliminator, supplied to the static High-voltage charge eliminator. transformer 10-59 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 238: Incorrect Paper Feed Operation
Is paper recommended by Canon being Suggest that the user use used? paper recommended by Canon. Hold-down Check if the hold-down tabs tabs are deformed. 10-60 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 239 Adjust the nip width. pressure the standard? Upper and Replace the upper and lower fixing lower fixing rollers (both rollers at the same time). 10-61 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 240: Ment Of The Electrical Parts
Upper fixing roller temperature sensor Thermistor (main) Upper fixing roller temperature sensor (auxiliary) Scanning lamp protection Thermal fuse Scanning lamp Lamp Pre-exposure lamp LA731 Pre-exposure lamp LA738 10-62 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 241: Clutches, Solenoids, Fans, Motors And Heaters
Blank solenoid Cassette 2 pick-up roller clutch solenoid Motor Main motor Scanner motor Fan unit Scanner cooling fan Exhaust fan Heater Fixing roller heater 10-63 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 242: Switches, Circuit Breakers, Counters, Etc
Cassette 1 size sensor CST2 Cassette 2 size sensor Thermoswitch Fixing assembly protection Circuit breaker AC power line protection Counter CNT1 Total counter 10-64 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 243: Pcbs
Document identification Document identification PCB 1 Differential PCB Detects the fixing error Note The differential PCB is soldered on the DC controller PCB. 10-65 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 244: Service Mode
Press the AE key twice, and check ‘CEE’ is indicated on the control panel; then, press the Sort/ Group key. 8) Press the service switch (SW300) to leave the service mode. 10-66 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 245: Guide To Service Mode
About 6 (0.6V) when the copyboard sensor 1 is indicated on the control cover is closed. panel. About 40 (4.0V) when the copyboard cover is open. (unit: 0.1V) 10-67 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 246 Automatic shut-off checking To perform checking, press the “Sorter” key. As a result, the copier shuts off when service mode C08 is “1”. 10-68 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 247 Code Cassette size Code Cassette size No cassette Letter STMT-R B5-R Legal Letter-R A4-R 11 17 Multifeed A5-R Table 10-801 Cassette Size Codes 10-69 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 248: Self Diagnosis
Counter, DC controller PCB If the break signal is emitted con- E030 tinuously for 0.1 sec or more when the counter is not being driven. 10-70 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 249 BCR signal is outputted. Main switch or DC controller PCB. The DC controller PCB detects the au- E802 tomatic shut-off mechanism does not work. 10-71 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 250 3) Press the service switch (SW300) on the DC controller PCB once. 4) Shift the main switch to OFF. 5) Attach the switch cover. 10-72 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 251: Appendix
D. LIST OF SPECIAL TOOLS ..A-7 B. LIST OF SIGNALS/ E. LIST OF SOLVENTS AND COMMANDS ....... A-3 MATERIALS ........ A-8 C. GENERAL CURCUIT DIAGRAM ........A-5 COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 253 Varies depending on the reproduction ratio. Varies depending on the setting of ’arc adjustment (C04)’ in the service mode; multifeeder in use. Varies depending on the cassette size. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 254 Multifeeder clutch (CL2) Multifeeder solenoid (SL3) Multifeeder paper sensor (Q1) *Varies depending on the setting of 'arc adjustment (C04)' in the service mode; multifeeder in use. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 255: B. List Of Signals Commands
RIGHT DOOR CLOSE signal SCCLK SCANNER SPEED CONTROL command SCHP SCANNER HOME POSITION signal SCMD SCANNER MOTOR DRIVE command TCNTD TOTAL COUNTER DRIVE command COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 256 Abbreviations AE ROTATION INTR INITIAL ROTATION LSTR LAST ROTATION SCFW SCANNER FORWARD SCRV SCANNER REVERSE STBY STANDBY WMUP WARM UP WMUPR WARM UP ROTATION COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 257 1 level cover cover sensor sensor sensor switch 1 switch 2 VR502 L527 Copy density knob Control card unit Pilot lamp COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 259: List Of Special Tools
Note: Code A: Each service person should carry one. B: A group of five service persons should share one. C: Each workshop should keep one. COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 260: List Of Solvents And Materials
Equivalent oil can (low viscosity) point: one- ESSO Febis K220 be used. way clutch MOBIL Vactraoil No. 4 Tool No.: CK-0524 in pick-up (100cc) control assembly COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 263 DURABLE PARTS ....4-1P APPENDIX ARRANGEMENT AND FUNCTIONS III. GENERAL CIRCUIT OF ELECTRICAL PARTS ..A-1P DIAGRAM .........A-4P VARIABLE RESISTOR (VR), LED, AND CHECK PIN BY PCB ..A-3P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 265: Chapter 1 General Description
CHAPTER 1 GENERAL DESCRIPTION SPECIFICATIONS ....1-1P CROSS-SECTIONAL VIEW ..1-2P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 267: Specifications
577 (D) 429 (H) mm; 24.0 (W) 22.7 (D) 16.9 (H) in. Weight 28 kg/61.7 lb. Spectifications are subject to change without notice. 1-1P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 268 [1] Lifter position sensor [4] Deck registration roller [2] Feeder roller [5] Separation roller [3] Deck pre-registration paper sensor [6] Pick-up roller [7] Lifter 1-2P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 269 Circuitry ......2-1P Operations ......2-5P B. Inputs to and Outputs from E. Releasing the Pick-Up and Paper Deck Controller ..2-2P Separation Rollers ..... 2-7P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 271: Chapter 2 Operations And Timing
Lifter position sensor Lifter clutch Upper limit switch Pick-up clutch Door open/ closed switch Registration roller clutch Paper deck controller PCB Figure 2-101P 2-1P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 272: Inputs To And Outputs From Paper Deck Controller
Pick-up clutch PSD* When '0' SL1 goes ON. Pick-up roller released solenoid RCD* When '0' CL3 goes ON. Registration roller clutch Figure 2-102P 2-2P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 273 J320 DMD* When ’0’, M1 goes ON. Door open/closed switch J319 When right door is closed and deck is set, ’1’ Figure 2-103P 2-3P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 274 The lifter lowers on its own weight when the paper deck is pulled out, releasing the gears. DC controller PCB Paper deck controller PCB Registra- tion roller Pick-up roller Separation roller Copy paper Lifter Figure 2-104P 2-4P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 275 Vertical feed roller 1 DC controller PCB Vertical feed roller 2 Deck registration roller Pick-up Copy paper Paper deck roller controller PCB Paper deck Figure 2-105P 2-5P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 276 (Q22) Deck registration roller clutch(CL3) Feed roller 1 Feed roller 2 Pre-registration paper sensor (Q2) Registration roller clutch (CL1) Figure 2-106P 2-6P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 278 The separation roller is released when the cam on the deck side plate comes off the release lever roller. Feeder rollers Separation rollers Figure 2-108P Figure 2-109P 2-8P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 279 (FRONT, REAR) ....... 3-8P C. Separation Roller ....3-4P A. Making Adjustments ... 3-9P D. Registration Roller ..... 3-5P IV. MODIFYING THE DECK SIZE ........3-11P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 281: Chapter 3 Mechanical System
[2] from the pedestal. Figure 3-101P 2) Remove the screw [3], and detach the deck stopper plate [4]. Figure 3-102P 3-1P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 282 4) Remove the E-ring [5], and detach the pick-up roller (front) [6]; thereafter, pull out the pick-up roller (rear) [7] together with its shaft. Figure 3-104P 3-2P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 283: Feed Roller
2) Remove the stop ring [1], and detach the feed roller [2]. Figure 3-105P Note: Take care; the feed roller has its own ori- entation. Figure 3-106P 3-3P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 284 2) Open the right door of the pedestal. 3) Remove the two stop rings [1], and detach the separation roller. (front) (rear) Figure 3-107P 3-4P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 285: Registration Roller
3) Remove the E-ring [3] at the front, and de- tach the gear [4]; thereafter, detach the reg- istration roller [5]. Figure 3-109P 3-5P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 286 4) Detach the deck stopper plate, and pull out the deck. 5) Remove the four screws [3], and detach the right cover [4] from the pedestal. Figure 3-202P 3-6P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 287 Figure 3-203P 7) Remove the four mounting screws [7], and pull the deck drive unit [8] to the front to detach. Figure 3-204P 3-7P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 288 The registration at the front and rear for the pedestal should be as shown in Figure 3-301P. If the registration is otherwise, make the following adjustments. Figure 3-301P 3-8P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 289 Front cover Mounting screws for front cover Grip plate Mounting screws for grip plate Front cover Mounting screws for front cover Figure 3-303P 3-9P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 290 8) Fix the front cover so that the gap between Pedestal frame (approx.) the front cover and pedestal frame is about 0.5 mm. Front cover Figure 3-305P 3-10P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 291: Modifying The Deck
Modifying the Deck Size 1) Detach the rear cover from the pedestal. 2) Detach the stopper plate, and take out the deck. Figure 3-401P Figure 3-402P 3-11P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 292 5) Reset the DIP switch on the deck control- ler PCB. Figure 3-404P 6) Set the deck, attach the stopper plate, and attach the rear cover. 3-12P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 293 CHAPTER 4 MAINTENANCE AND SERVICING PARTS TO BE REPLACED III. PERIODICAL SERVICING PERIODICALLY ......4-1P CHART ........4-1P DURABLE PARTS ....4-1P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 295: Periodical Servicing Chart
: Replace : Oil : Adjust : Inspect Intervals Name of unit Section Remarks every 100,000 copies Pick-up roller bushing Apply oil. Table 4-301P 4-1P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 297: Appendix
APPENDIX ARRANGEMENT AND FUNCTIONS III. GENERAL CIRCUIT OF ELECTRICAL PARTS ..A-1P DIAGRAM .........A-4P VARIABLE RESISTOR (VR), LED, AND CHECK PIN BY PCB ..A-3P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 300 Deck motor Clutch Lifter clutch Pick-up clutch Registation roller clutch Solenid Pick-up roller release solenoid Deck controller PCB Drives each load in the pedestal. A-2P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 301 2. VRs that may be used in the field ................. VRs that may not be used in the field ................Deck Controller PCB Figure A-201P SW1-1 SW1-2 Table A-201P A-3P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 302: General Circuit Diagram
Lifter clutch LCD* 24VB Pick-up clutch PCD* Pick-up roller 24VB release solenoid PSD* 24VB Registration roller clutch RCD* Deck motor 2 NC Capacitor A-4P COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 303 Office Imaging Products Technical Support Division Office Imaging Products Quality Assurance Center CANON INC. Printed in Japan REVISION 0 (DEC. 1999) (18756) 5-1, Hakusan 7-chome, Toride-shi, Ibaraki 302-8501 Japan COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 304 This pubication is printed on 70% reprocessed paper. PRINTED IN JAPAN (IMPRIME AU JAPON) 1299AB0.91-1...

Canon NP6320 Service Manual

Table of Contents

Chapter 2 Basic Operation

Chapter 3 Exposure System

Chapter 4 Image Formation System

Chapter 5 Pick-Up/Feeding System

Chapter 6 Fixing System

Chapter 7 Externals/Auxiliary Mechanisms

Chapter 8 Installation

Chapter 10 Troubleshooting

Table of Contents

Quick Links

Chapters

Troubleshooting

Related Manuals for Canon NP6320

Summary of Contents for Canon NP6320

Table of Contents