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... as A4 to ensure stable copy images. 5. using overlay mode, copies may be selected. 2. COPYRIGHT @ 1994 CANON INC. Extra touches to make jam removal easy. Designed with a color toner cartridge (red, blue, green, brown); Uses a SURF fixing assembly. • The use of a charging roller... helps to 1/000 of sizes between 70% and 141% may be given an extra finish. 7. CANON PC7201740/7501770 REV.0 AUG.1994 PRINTED IN...
... as A4 to ensure stable copy images. 5. using overlay mode, copies may be selected. 2. COPYRIGHT @ 1994 CANON INC. Extra touches to make jam removal easy. Designed with a color toner cartridge (red, blue, green, brown); Uses a SURF fixing assembly. • The use of a charging roller... helps to 1/000 of sizes between 70% and 141% may be given an extra finish. 7. CANON PC7201740/7501770 REV.0 AUG.1994 PRINTED IN...
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=GENERAL DESCRIPTION 4. PC770 Serial number Reproduction ratio Size Copy paper DIRECT REDUCE ENLARGE A4R A4R B5R B5R A5R A5R A4R -, A5R A5R II B5R -, A5R A5R I A5R A4R ....) Weight 20.0 kg /44.0lb (approx.; A4R A4R PC770 12 12 12 12 12 9 10 Table 1-101 Model PC740/750 10 10 10 10 10 7 8 PC720 8 8 8 8 8 6 7 1- 4 COPYRIGHT © 1994 CANON INC. CANON PC7201740/750R70 REV.O AUG. 1994 PRINTED IN JAPAN (MPRIME AU JAPAN) Consumables Toner Avoid direct sunshine; about 5 min; including cassette) Copy paper...
=GENERAL DESCRIPTION 4. PC770 Serial number Reproduction ratio Size Copy paper DIRECT REDUCE ENLARGE A4R A4R B5R B5R A5R A5R A4R -, A5R A5R II B5R -, A5R A5R I A5R A4R ....) Weight 20.0 kg /44.0lb (approx.; A4R A4R PC770 12 12 12 12 12 9 10 Table 1-101 Model PC740/750 10 10 10 10 10 7 8 PC720 8 8 8 8 8 6 7 1- 4 COPYRIGHT © 1994 CANON INC. CANON PC7201740/750R70 REV.O AUG. 1994 PRINTED IN JAPAN (MPRIME AU JAPAN) Consumables Toner Avoid direct sunshine; about 5 min; including cassette) Copy paper...
Service Manual
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..., a new cartridge should be obtained. functions. Replacing the Cartridge 1) Shift up the open/close lever to the instructions under "2. CANON PC720840r/501770 REV.OAUG.1994 PRINTEDIN JAPAN0MPRIMEAU JAPON) Preface Thank you (of toner, the copy image will tend to tam ,;an. a. see Figure 1-409. If the copy image fails to return to...
..., a new cartridge should be obtained. functions. Replacing the Cartridge 1) Shift up the open/close lever to the instructions under "2. CANON PC720840r/501770 REV.OAUG.1994 PRINTEDIN JAPAN0MPRIMEAU JAPON) Preface Thank you (of toner, the copy image will tend to tam ,;an. a. see Figure 1-409. If the copy image fails to return to...
Service Manual
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... than the positive component. MN COPYING PROCESS E. DC bias Positive component Negative component Figure 2-109 2 - 4 COPYRIGHT © 1994 CANON INC. Development (step 3) Blade Developing cylinder Toner 0 Cylinder}Developing Magnet cylinder ... For this reason, the negative component of magnetite and resins. CANON PC72N7401150R/0 REV.O AUG.1994 PRINTED IN JAPAN (IMPRIME AU JAPON) The copier...
... than the positive component. MN COPYING PROCESS E. DC bias Positive component Negative component Figure 2-109 2 - 4 COPYRIGHT © 1994 CANON INC. Development (step 3) Blade Developing cylinder Toner 0 Cylinder}Developing Magnet cylinder ... For this reason, the negative component of magnetite and resins. CANON PC72N7401150R/0 REV.O AUG.1994 PRINTED IN JAPAN (IMPRIME AU JAPON) The copier...
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...drum by the photosensitive drum surface potential and the development bias (positive component), thus turning the static latent image into a visible image. F. CANON PC7201740/750,710 REV.0 AUG.1994 PRINTED IN JAPAN ompnimt AU JAPON) 2 - 5 The copier uses a roller transfer system, which has... following advantages when compared with an increased tendency toward fog- COPYRIGHT 1994 CANON INC. A DC bias affects copy density and the degree of a jam or the like. COPYING PROCESSIM During copying, the toner is retained by both the transfer charging roller and the photosensitive drum. ...
...drum by the photosensitive drum surface potential and the development bias (positive component), thus turning the static latent image into a visible image. F. CANON PC7201740/750,710 REV.0 AUG.1994 PRINTED IN JAPAN ompnimt AU JAPON) 2 - 5 The copier uses a roller transfer system, which has... following advantages when compared with an increased tendency toward fog- COPYRIGHT 1994 CANON INC. A DC bias affects copy density and the degree of a jam or the like. COPYING PROCESSIM During copying, the toner is retained by both the transfer charging roller and the photosensitive drum. ...
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...-up time. The temperature of the fixing heater and serves to make sure that melting toner will not stick to a specific temperature. 2 - 6 COPYRIGHT © 1994 CANON INC. Separation (step 5) H. Fixing (step 6) Copy paper O Fixing heater Thermistor Fixing film Toner Static eliminator Figure 2-112 Copy paper is a flat heater and heats only the area...
...-up time. The temperature of the fixing heater and serves to make sure that melting toner will not stick to a specific temperature. 2 - 6 COPYRIGHT © 1994 CANON INC. Separation (step 5) H. Fixing (step 6) Copy paper O Fixing heater Thermistor Fixing film Toner Static eliminator Figure 2-112 Copy paper is a flat heater and heats only the area...
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The scoop-up sheet Figure 2-114 In preparation for the next copy run, the cleaning blade scrapes off the residual toner from the photosensitive drum by way of cleaning the photosensitive drum surface. COPYING PROCESS= COPYRIGHT 1994 CANON INC CANON PC72017401750770 REV.0 AUG. 19W PRINTED IN JAPAN MAPROJE AU JAPON) 2- 7 I. Drum Cleaning (step 7) Cleaning blade Scoop-up sheet then is used to collect such toner.
The scoop-up sheet Figure 2-114 In preparation for the next copy run, the cleaning blade scrapes off the residual toner from the photosensitive drum by way of cleaning the photosensitive drum surface. COPYING PROCESS= COPYRIGHT 1994 CANON INC CANON PC72017401750770 REV.0 AUG. 19W PRINTED IN JAPAN MAPROJE AU JAPON) 2- 7 I. Drum Cleaning (step 7) Cleaning blade Scoop-up sheet then is used to collect such toner.
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AUXILIARY PROCESS 1. See p. 3-35 for details. 2 - 8 COPYRIGHT © 1994 CANON INC. Side Blank Exposure Side blank exposure is used to prevent adhesion of excess toner to the drum by removing the residual potential in the nonimage areas of the drum. IIIIIII COPYING PROCESS II. CANON PC720/74017501770 REV.O AUG.1994 PAINTED IN JAPAN omPRimt AU JAPON)
AUXILIARY PROCESS 1. See p. 3-35 for details. 2 - 8 COPYRIGHT © 1994 CANON INC. Side Blank Exposure Side blank exposure is used to prevent adhesion of excess toner to the drum by removing the residual potential in the nonimage areas of the drum. IIIIIII COPYING PROCESS II. CANON PC720/74017501770 REV.O AUG.1994 PAINTED IN JAPAN omPRimt AU JAPON)
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...While the photosensitive drum is applied to the developing cylinder regardless of the position of the density adjusting lever, thereby preventing adhesion of excess toner to the surface of the DC bias according to type of developing assembly. • controls the voltage level of the photosensitive drum.... TcDD.O al at 8 8 Density correction swlch (ST101) AE/intensity senso PCB Senso PCB Control panel Figure 3-308 COPYRIGHT © 1994 CANON INC. CANON PC72074017501710 REIM AUG.1994 PRINTED IN JAPAN omPFumt AU JAPONI Controlling the Developing/ Separation Static Eliminator Bias 1.
...While the photosensitive drum is applied to the developing cylinder regardless of the position of the density adjusting lever, thereby preventing adhesion of excess toner to the surface of the DC bias according to type of developing assembly. • controls the voltage level of the photosensitive drum.... TcDD.O al at 8 8 Density correction swlch (ST101) AE/intensity senso PCB Senso PCB Control panel Figure 3-308 COPYRIGHT © 1994 CANON INC. CANON PC72074017501710 REIM AUG.1994 PRINTED IN JAPAN omPFumt AU JAPONI Controlling the Developing/ Separation Static Eliminator Bias 1.
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... drum. • during initial rotation after the Copy Start key is pressed. • while the scanner is a negative voltage. CANON PC720/74000770 REV.O AUG.1994 PRINTED IN JAPAN pmpFeat AU JAPAN) For this reason, it controls the bias differently from the transfer ... bias (ATVC) Transfer bias sec (approx.) U Figure 3-314 3 - 28 COPYRIGHT © 1994 CANON INC. Cleaning Bias The copier uses a direct charging method, and could allow adhesion of toner to the transfer bias of the transfer roller, ultimately affecting the transfer efficiency. OPERATIONS AND TIMING F. The...
... drum. • during initial rotation after the Copy Start key is pressed. • while the scanner is a negative voltage. CANON PC720/74000770 REV.O AUG.1994 PRINTED IN JAPAN pmpFeat AU JAPAN) For this reason, it controls the bias differently from the transfer ... bias (ATVC) Transfer bias sec (approx.) U Figure 3-314 3 - 28 COPYRIGHT © 1994 CANON INC. Cleaning Bias The copier uses a direct charging method, and could allow adhesion of toner to the transfer bias of the transfer roller, ultimately affecting the transfer efficiency. OPERATIONS AND TIMING F. The...
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B : position of the side blank exposure lamp at time of DIRECT/ENLARGE. CANON PC7208401150M0 REIM AUG.1994 PRINTEDIN JAPANoinimt AU JAPONI 3 - 35 Rear side blank exposure lamp Reflecting plate Lens travel detecting shaft for reduced copies for blanking... exposure lamp at time of REDUCE. Figure 3-325 COPYRIGHT © 1994 CANONINC. Operation The side blank exposure lamp moves based on the travel distance of toner to prevent adhesion of the lens as measured by the lens travel detecting shaft Front side blank exposure lamp A + B (front) Figure 3-324 Reflecting plate A ...
B : position of the side blank exposure lamp at time of DIRECT/ENLARGE. CANON PC7208401150M0 REIM AUG.1994 PRINTEDIN JAPANoinimt AU JAPONI 3 - 35 Rear side blank exposure lamp Reflecting plate Lens travel detecting shaft for reduced copies for blanking... exposure lamp at time of REDUCE. Figure 3-325 COPYRIGHT © 1994 CANONINC. Operation The side blank exposure lamp moves based on the travel distance of toner to prevent adhesion of the lens as measured by the lens travel detecting shaft Front side blank exposure lamp A + B (front) Figure 3-324 Reflecting plate A ...
Service Manual
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... to light. Work quickly to limit the exposure of the drum to the drum; Reference: If the drum is exposed to the developing cylinder. 2. CANON PC720f7401750/710 REV.O AUG.1994 PRINTEDIN JAPAN1IMPRIME AUJAPON) 4 - 29 Do not use a flannel cloth. 3. take all measures necessary to avoid exposure. ... a level that will displace the leaf spring used to apply a developing bias to light of the drum using a cloth coated with toner. COPYRIGHT © 1994 CANON INC. Rotating it is as strong as 10,000 to soil the roller surface. Cleaning the Drum Caution: As a rule, do ...
... to light. Work quickly to limit the exposure of the drum to the drum; Reference: If the drum is exposed to the developing cylinder. 2. CANON PC720f7401750/710 REV.O AUG.1994 PRINTEDIN JAPAN1IMPRIME AUJAPON) 4 - 29 Do not use a flannel cloth. 3. take all measures necessary to avoid exposure. ... a level that will displace the leaf spring used to apply a developing bias to light of the drum using a cloth coated with toner. COPYRIGHT © 1994 CANON INC. Rotating it is as strong as 10,000 to soil the roller surface. Cleaning the Drum Caution: As a rule, do ...
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The cartridge also contains toner, and it is kept in the copier, and its properties change rapidly; Do not keep it . b. A. Storing after Removing the Seal a. The cartridge should never ... or storing it has been opened or installed in a box. Make sure that the conditions in a protective box for a long time regardless of whether it . c. CANON PC720.74011501T1R0EV.0 AUG.1994 PRINTEDIN JAPAN (IMPRIME-AUJAPON) Storing Without Removing the Seal When storing the cartridge at 40°C or less. 6 - 2 COPYRIGHT 1994 CANONINC...
The cartridge also contains toner, and it is kept in the copier, and its properties change rapidly; Do not keep it . b. A. Storing after Removing the Seal a. The cartridge should never ... or storing it has been opened or installed in a box. Make sure that the conditions in a protective box for a long time regardless of whether it . c. CANON PC720.74011501T1R0EV.0 AUG.1994 PRINTEDIN JAPAN (IMPRIME-AUJAPON) Storing Without Removing the Seal When storing the cartridge at 40°C or less. 6 - 2 COPYRIGHT 1994 CANONINC...
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...it is exposed to light of time can still lead to even out the toner inside it or use solvent. Caution: 1. Work quickly when removing jams or replacing the cartridge. 2. Do not ever leave it . CANON PC720174011501770 REV.0 AUG.1994 PRINTER IN JAPAN (IMPRIME AU JAPONI 6 - 3 ...Do not subject the cartridge to light, and the cartridge is left alone thereafter in ways not instructed, or toner may disappear when the cartridge is equipped with toner. Keep the cartridge outside ...
...it is exposed to light of time can still lead to even out the toner inside it or use solvent. Caution: 1. Work quickly when removing jams or replacing the cartridge. 2. Do not ever leave it . CANON PC720174011501770 REV.0 AUG.1994 PRINTER IN JAPAN (IMPRIME AU JAPONI 6 - 3 ...Do not subject the cartridge to light, and the cartridge is left alone thereafter in ways not instructed, or toner may disappear when the cartridge is equipped with toner. Keep the cartridge outside ...
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external covers Hydrocarbon (fluorine family) Alcohol Surface active agent Cleaning: e.g., metal; Name Uses Composition 1 Alcohol 2 Solvent Cleaning: e.g., glass, plastic, rubber parts; CANON PC720174017501770REV.O AUG.1994 PRINTEDIN JAPAN oMPRIMEAU JAPONI =APPENDIX N. oil or toner dirt Hydrocarbon (fluorine/chlorine family) Alcohol 3 Lubricating oil Lubricating spring clutch Mineral oil (paraffin family) 4 Lubricating oil Lubricating Silicone oil...
external covers Hydrocarbon (fluorine family) Alcohol Surface active agent Cleaning: e.g., metal; Name Uses Composition 1 Alcohol 2 Solvent Cleaning: e.g., glass, plastic, rubber parts; CANON PC720174017501770REV.O AUG.1994 PRINTEDIN JAPAN oMPRIMEAU JAPONI =APPENDIX N. oil or toner dirt Hydrocarbon (fluorine/chlorine family) Alcohol 3 Lubricating oil Lubricating spring clutch Mineral oil (paraffin family) 4 Lubricating oil Lubricating Silicone oil...