Service Manual
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...disassembly, reassembly, and adjustment. Multifeeding (manual) - Copying speed (cpm) 8 10 10 12 COPYRIGHT © 1994 CANON INC. In CHAPTER 4, "MECHANICAL SYSTEM," the copier's mechanical system is also available for quick response to the user's needs. CHAPTER... to the copier; The PC720, PC740, PC750, and PC770 differ from time to time to reflect improvements rendered to functions and timing of copies. CANON PC720174017501770 REV.0 AUG. 1994 PRINTED IN JAPAN omput AU JAPON...CHAPTER 6 "MAINTENANCE AND SERVICING" contains tables of replacement parts and consumables.
...disassembly, reassembly, and adjustment. Multifeeding (manual) - Copying speed (cpm) 8 10 10 12 COPYRIGHT © 1994 CANON INC. In CHAPTER 4, "MECHANICAL SYSTEM," the copier's mechanical system is also available for quick response to the user's needs. CHAPTER... to the copier; The PC720, PC740, PC750, and PC770 differ from time to time to reflect improvements rendered to functions and timing of copies. CANON PC720174017501770 REV.0 AUG. 1994 PRINTED IN JAPAN omput AU JAPON...CHAPTER 6 "MAINTENANCE AND SERVICING" contains tables of replacement parts and consumables.
Service Manual
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... 5 INSTALLATION I. FEATURES II. SELF DIAGNOSIS 3-71 V. DRIVE SYSTEM 4-5 AND CLEANING SYSTEMS 4-28 III. RELOCATING THE COPIER 5-7 5-2 COPYRIGHT © 1994 CANON INC. FIXING SYSTEM 4-30 IV. CANON PC7201740,11501170 REV.O AUG. 1994 PRINTED IN JAPAN (IMPRIME AU JAPON) NAMES OF PARTS 1-6 1-2 IV. EXPOSURE SYSTEM 3-11 VII. IMAGE FORMATION SYSTEM 3-17 ADJUSTMENTS 3-64 IV. EXTERNALS 4-1 V.
... 5 INSTALLATION I. FEATURES II. SELF DIAGNOSIS 3-71 V. DRIVE SYSTEM 4-5 AND CLEANING SYSTEMS 4-28 III. RELOCATING THE COPIER 5-7 5-2 COPYRIGHT © 1994 CANON INC. FIXING SYSTEM 4-30 IV. CANON PC7201740,11501170 REV.O AUG. 1994 PRINTED IN JAPAN (IMPRIME AU JAPON) NAMES OF PARTS 1-6 1-2 IV. EXPOSURE SYSTEM 3-11 VII. IMAGE FORMATION SYSTEM 3-17 ADJUSTMENTS 3-64 IV. EXTERNALS 4-1 V.
Service Manual
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... WHEN HANDLING/STORING THE CARTRIDGE 6-2 APPENDIX A. INTENSITY/AE SENSOR CIRCUIT DIAGRAM A-23 H. NOISE FILTER CIRCUIT DIAGRAM A-25 J. PERIODICALLY REPLACED PARTS 6-1 II. HIGH-VOLTAGE CONTACT CIRCUIT DIAGRAM A-26 K. SOLVENTS/OILS A-30 D COPYRIGHT © 1994 CANON INC. SCHEDULED SERVICING 6-1 IV. COMPOSITE POWER SUPPLY CIRCUIT DIAGRAM A-13 F. DC CONTROLLER CIRCUIT DIAGRAM A-5 E. SPECIAL TOOLS A-29 N. CHAPTER...
... WHEN HANDLING/STORING THE CARTRIDGE 6-2 APPENDIX A. INTENSITY/AE SENSOR CIRCUIT DIAGRAM A-23 H. NOISE FILTER CIRCUIT DIAGRAM A-25 J. PERIODICALLY REPLACED PARTS 6-1 II. HIGH-VOLTAGE CONTACT CIRCUIT DIAGRAM A-26 K. SOLVENTS/OILS A-30 D COPYRIGHT © 1994 CANON INC. SCHEDULED SERVICING 6-1 IV. COMPOSITE POWER SUPPLY CIRCUIT DIAGRAM A-13 F. DC CONTROLLER CIRCUIT DIAGRAM A-5 E. SPECIAL TOOLS A-29 N. CHAPTER...
Service Manual
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... among three copy density settings using the Density Correction switch. 1) Shift up roller Separation pad Figure 1-421 1 - 18 COPYRIGHT © 1994 CANON INC. If the dirt cannot be soiled or copy paper tends to jam frequently, advise the user to wring it . then, dry wipe it... open/close lever to open the body. 2) Change the position of pick-up. *Be sure to clean the following parts: 1. O G. Copyboard Glass/Copyboard Cover Wipe it . CANON PC720/7408EORT0 REVS AUG. 1994 PRINTED IN JAPAN tIMPRIME AU JAPONI If Images Are Soiled a. INNGENERAL DESCRIPTION F. Using the ...
... among three copy density settings using the Density Correction switch. 1) Shift up roller Separation pad Figure 1-421 1 - 18 COPYRIGHT © 1994 CANON INC. If the dirt cannot be soiled or copy paper tends to jam frequently, advise the user to wring it . then, dry wipe it... open/close lever to open the body. 2) Change the position of pick-up. *Be sure to clean the following parts: 1. O G. Copyboard Glass/Copyboard Cover Wipe it . CANON PC720/7408EORT0 REVS AUG. 1994 PRINTED IN JAPAN tIMPRIME AU JAPONI If Images Are Soiled a. INNGENERAL DESCRIPTION F. Using the ...
Service Manual
Page 92
...film PS4 FFD DC controller PCB (front) Tension roller Swing arm Tension wire Balance spring Figure 3-415 3 - 52 COPYRIGHT © 1994 CANON INC. The tension roller is corrected by moving . When the fixing film has become displaced toward the rear or the front in excess of ...the Fixing Film a. OPERATIONS AND TIMING K, 7. The fixing film displacement correction mechanism consists of the following four parts: • tension roller • swing arm • tension wire • balance spring Displacement, if any, of the fixing film is designed...
...film PS4 FFD DC controller PCB (front) Tension roller Swing arm Tension wire Balance spring Figure 3-415 3 - 52 COPYRIGHT © 1994 CANON INC. The tension roller is corrected by moving . When the fixing film has become displaced toward the rear or the front in excess of ...the Fixing Film a. OPERATIONS AND TIMING K, 7. The fixing film displacement correction mechanism consists of the following four parts: • tension roller • swing arm • tension wire • balance spring Displacement, if any, of the fixing film is designed...
Service Manual
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...execute AE adjustment DC controller PCB 1. execute AE adjustment 3. INNOPERATIONS AND TIMING VII. Actions to Take After Replacement Part Work Scanning lamp 1. CANON PC720/740850/770 REV.O AUG. 1994 PRINTED IN JAPAN (IMPRIME AU JAPAN) adjust the intensity of the scanning ...lamp 2. adjust the intensity of the scanning lamp 2. fine-adjust reproduction ratio Table 3-701 3 - 64 COPYRIGHT © 1994 CANON INC. adjust the leading edge non-image width 4. adjust the intensity of the scanning lamp 2. image leading edge margin 5. execute AE adjustment ...
...execute AE adjustment DC controller PCB 1. execute AE adjustment 3. INNOPERATIONS AND TIMING VII. Actions to Take After Replacement Part Work Scanning lamp 1. CANON PC720/740850/770 REV.O AUG. 1994 PRINTED IN JAPAN (IMPRIME AU JAPAN) adjust the intensity of the scanning ...lamp 2. adjust the intensity of the scanning lamp 2. fine-adjust reproduction ratio Table 3-701 3 - 64 COPYRIGHT © 1994 CANON INC. adjust the leading edge non-image width 4. adjust the intensity of the scanning lamp 2. image leading edge margin 5. execute AE adjustment ...
Service Manual
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...again. Caution; • Check gray scale No. 10 if you are using NB-3. • If you have replaced any of the following parts: • DC controller PCB • composite power supply PCB • AE/intensity sensor PCB • scanning lamp Preparing for Adjustment •... sure that gray scale No. 9 is barely visible. CANON PC7201740R50M0 REV.O AUG.1994 PRINTED IN JAPAN ompagit AU JAPON) 3 - 65 COPYRIGHT © 1994 CANON INC. AE Adjustment Execute AE adjustment whenever you have replaced any of the following parts: • DC controller PCB • Composite power supply...
...again. Caution; • Check gray scale No. 10 if you are using NB-3. • If you have replaced any of the following parts: • DC controller PCB • composite power supply PCB • AE/intensity sensor PCB • scanning lamp Preparing for Adjustment •... sure that gray scale No. 9 is barely visible. CANON PC7201740R50M0 REV.O AUG.1994 PRINTED IN JAPAN ompagit AU JAPON) 3 - 65 COPYRIGHT © 1994 CANON INC. AE Adjustment Execute AE adjustment whenever you have replaced any of the following parts: • DC controller PCB • Composite power supply...
Service Manual
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... the grounding wire and varistors is the reverse of its parts removed. 5. I. CHARGING, DEVELOPING, AND CLEANING SYSTEMS VI. be sure to ensure electric continuity; FIXING SYSTEM VII. ELECTRICAL SYSTEM COPYRIGNT CO 1991 CANON NC. If possible, avoid operating the machine with a washer... reassembly work. 2. EXTERNALS II. Unless otherwise noted, reassembly is fitted with any of disassembly. CHAPTER 4 MECHANICAL SYSTEM 1. DRIVE SYSTEM III. CANON PC/2074005770 REV.0 ma 1991 PRINTED IN JAPAN input AU JAPON, 4-28 4-30 4-33 EXPOSURE SYSTEM 4-1 4-5 4-17 4-26 V. Group ...
... the grounding wire and varistors is the reverse of its parts removed. 5. I. CHARGING, DEVELOPING, AND CLEANING SYSTEMS VI. be sure to ensure electric continuity; FIXING SYSTEM VII. ELECTRICAL SYSTEM COPYRIGNT CO 1991 CANON NC. If possible, avoid operating the machine with a washer... reassembly work. 2. EXTERNALS II. Unless otherwise noted, reassembly is fitted with any of disassembly. CHAPTER 4 MECHANICAL SYSTEM 1. DRIVE SYSTEM III. CANON PC/2074005770 REV.0 ma 1991 PRINTED IN JAPAN input AU JAPON, 4-28 4-30 4-33 EXPOSURE SYSTEM 4-1 4-5 4-17 4-26 V. Group ...
Service Manual
Page 161
POINTS TO NOTE WHEN HANDLING/STORING THE CARTRIDGE 6-2 COPYRIGHT@ 1994 CANONRC COON PertrOVW50770 REV.O AUG.1994 PAINTEDIN JAPAN FALPPoitE AU10040 SCHEDULED SERVICING 6-1 IV. CHAPTER 6 MAINTENANCE AND SERVICING I. DURABLES AND CONSUMABLES 6-1 III. PERIODICALLY REPLACED PARTS 6-1 II.
POINTS TO NOTE WHEN HANDLING/STORING THE CARTRIDGE 6-2 COPYRIGHT@ 1994 CANONRC COON PertrOVW50770 REV.O AUG.1994 PAINTEDIN JAPAN FALPPoitE AU10040 SCHEDULED SERVICING 6-1 IV. CHAPTER 6 MAINTENANCE AND SERVICING I. DURABLES AND CONSUMABLES 6-1 III. PERIODICALLY REPLACED PARTS 6-1 II.
Service Manual
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II. SCHEDULED SERVICING The copier has no part that must be replaced on a periodical basis. COPYRIGHT © 1994 CANON INC. CANON PC720/140R50M0 REU AUG.1994 PRINTEDIN JAPAN oMPRIME AU JAPON) 6 - 1 III. MAINTENANCE AND SERVICINGMI PERIODICALLY REPLACED PARTS The copier does not have a part classified as a durable or consumable part. DURABLES AND CONSUMABLES The copier does not have a part to be serviced on a periodical basis.
II. SCHEDULED SERVICING The copier has no part that must be replaced on a periodical basis. COPYRIGHT © 1994 CANON INC. CANON PC720/140R50M0 REU AUG.1994 PRINTEDIN JAPAN oMPRIME AU JAPON) 6 - 1 III. MAINTENANCE AND SERVICINGMI PERIODICALLY REPLACED PARTS The copier does not have a part classified as a durable or consumable part. DURABLES AND CONSUMABLES The copier does not have a part to be serviced on a periodical basis.
Service Manual
Page 198
.../chlorine family) Alcohol 3 Lubricating oil Lubricating spring clutch Mineral oil (paraffin family) 4 Lubricating oil Lubricating Silicone oil drive and friction parts, scanner rail Remarks • Do not bring near fire. • Procure locally. • Isopropyl alcohol may be substituted. •...; CK-0551 (20g) A - 30 COPYRIGHT © 1994 CANONINC. Name Uses Composition 1 Alcohol 2 Solvent Cleaning: e.g., glass, plastic, rubber parts; SOLVENTS/OILS No. =APPENDIX N. external covers Hydrocarbon (fluorine family) Alcohol Surface active agent Cleaning: e.g., metal...
.../chlorine family) Alcohol 3 Lubricating oil Lubricating spring clutch Mineral oil (paraffin family) 4 Lubricating oil Lubricating Silicone oil drive and friction parts, scanner rail Remarks • Do not bring near fire. • Procure locally. • Isopropyl alcohol may be substituted. •...; CK-0551 (20g) A - 30 COPYRIGHT © 1994 CANONINC. Name Uses Composition 1 Alcohol 2 Solvent Cleaning: e.g., glass, plastic, rubber parts; SOLVENTS/OILS No. =APPENDIX N. external covers Hydrocarbon (fluorine family) Alcohol Surface active agent Cleaning: e.g., metal...