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... (at 20°C room temperature), enabling speedy copying work . 6. SURF Fixing Assembly • The wait time is possible with existing Canon machines). 3. The user may contain as many as he/she performs simple replacement/cleaning work immediately after power-on the average, 0.02 ...ADF. FEATURES 1. multifeeder type). 7. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-1 Various Paper Sizes • The paper may be between 70% and 141% in -One Cartridge for Simple Maintenance • The photosensitive drum, toner case, charging roller, developing assembly,...
... (at 20°C room temperature), enabling speedy copying work . 6. SURF Fixing Assembly • The wait time is possible with existing Canon machines). 3. The user may contain as many as he/she performs simple replacement/cleaning work immediately after power-on the average, 0.02 ...ADF. FEATURES 1. multifeeder type). 7. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-1 Various Paper Sizes • The paper may be between 70% and 141% in -One Cartridge for Simple Maintenance • The photosensitive drum, toner case, charging roller, developing assembly,...
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Type Item Body Copyboard Source of light Lens Photosensitive medium 2. SPECIFICATIONS A. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Mechanisms Item Reproduction Charging Exposure Copy density adjustment ... point lens OPC drum (24-mm dia.) Table 1-201 Descriptions Indirect static reproduction Roller (direct charging) Slit (moving light source) Auto or manual Dry (toner projection) Cassette (1 pc.) Single-feeder (single-feeder type) Multifeeder (multifeeder type) Curvature separation + static eliminator Flat heater Blade Center reference (copyboard) Table ...
Type Item Body Copyboard Source of light Lens Photosensitive medium 2. SPECIFICATIONS A. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Mechanisms Item Reproduction Charging Exposure Copy density adjustment ... point lens OPC drum (24-mm dia.) Table 1-201 Descriptions Indirect static reproduction Roller (direct charging) Slit (moving light source) Auto or manual Dry (toner projection) Cassette (1 pc.) Single-feeder (single-feeder type) Multifeeder (multifeeder type) Curvature separation + static eliminator Flat heater Blade Center reference (copyboard) Table ...
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...kg*2/ 55.4 lb*2 Multifeeder type: 24.0 kg*1/ 52.8 lb*1, 25.4 kg*2/ 55.9 lb*2 Copy paper: Keep wrapped, and protect against humidity. Toner: Avoid direct sunlight, and store at 40°C/104°F, 85% or less. Table 1-204 *1. 250-sheet cassette type *2. 500-sheet cassette type ...COPYRIGHT © 1999 CANON INC. about 5min; CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-5 CHAPTER 1 GENERAL DESCRIPTION 4. Others Item Operating condition Temperature ...
...kg*2/ 55.4 lb*2 Multifeeder type: 24.0 kg*1/ 52.8 lb*1, 25.4 kg*2/ 55.9 lb*2 Copy paper: Keep wrapped, and protect against humidity. Toner: Avoid direct sunlight, and store at 40°C/104°F, 85% or less. Table 1-204 *1. 250-sheet cassette type *2. 500-sheet cassette type ...COPYRIGHT © 1999 CANON INC. about 5min; CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-5 CHAPTER 1 GENERAL DESCRIPTION 4. Others Item Operating condition Temperature ...
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...level (-14.6 µA) is applied to correct the changes in the transfer efficiency caused by the DC controller PCB. To remove excess toner, a positive voltage is executed The polarity of the readings. d. In response to the signal, the microprocessor (Q900) on the composite... bias (ATVC) Transfer bias 1.2sec (approx.) 0.8sec (approx.) 0.7sec (approx.) 1.6sec(approx.) Figure 4-106 4-10 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Switching the Polarity of the transfer bias (constant current control, + 1.56µ...
...level (-14.6 µA) is applied to correct the changes in the transfer efficiency caused by the DC controller PCB. To remove excess toner, a positive voltage is executed The polarity of the readings. d. In response to the signal, the microprocessor (Q900) on the composite... bias (ATVC) Transfer bias 1.2sec (approx.) 0.8sec (approx.) 0.7sec (approx.) 1.6sec(approx.) Figure 4-106 4-10 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Switching the Polarity of the transfer bias (constant current control, + 1.56µ...
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Reference : Developing DC bias : -80 ~ -550V Developing AC bias : 1200Vpp ± 10% COPYRIGHT © 1999 CANON INC. Outline The circuit shown in Figure 4-107 is applied to the developing cylinder regardless of the position of the density adjusting lever, thereby preventing ... DC bias • Turning on and off the AC bias (turning on and off the static eliminator bias) • Controlling the voltage level of excess toner on the photosensitive drum. When the photosensitive drum rotates and yet developing is not under way, about -500 VDC is used to control the voltage...
Reference : Developing DC bias : -80 ~ -550V Developing AC bias : 1200Vpp ± 10% COPYRIGHT © 1999 CANON INC. Outline The circuit shown in Figure 4-107 is applied to the developing cylinder regardless of the position of the density adjusting lever, thereby preventing ... DC bias • Turning on and off the AC bias (turning on and off the static eliminator bias) • Controlling the voltage level of excess toner on the photosensitive drum. When the photosensitive drum rotates and yet developing is not under way, about -500 VDC is used to control the voltage...
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...is varied according to the following settings to change in automatic control mode) • Setting of copy mode (toner save mode, photo mode) • Setting of the photosensitive drum. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Controlling the Voltage Level of the ...Developing DC Bias The DC bias control signal (BIAS_PWM) is set to the setting used for normal copying when toner save mode -75V -2V*1 -3V...
...is varied according to the following settings to change in automatic control mode) • Setting of copy mode (toner save mode, photo mode) • Setting of the photosensitive drum. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Controlling the Voltage Level of the ...Developing DC Bias The DC bias control signal (BIAS_PWM) is set to the setting used for normal copying when toner save mode -75V -2V*1 -3V...
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... Reduce mode A: Position of the side blanking lamp in Direct and Reduce mode B: Position of excess toner when making reduced copies. 2. Outline The machine is moved in Reduce mode Figure 4-122 COPYRIGHT © 1999 CANON INC. CHAPTER 4 IMAGE FORMATION SYSTEM G. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-21
... Reduce mode A: Position of the side blanking lamp in Direct and Reduce mode B: Position of excess toner when making reduced copies. 2. Outline The machine is moved in Reduce mode Figure 4-122 COPYRIGHT © 1999 CANON INC. CHAPTER 4 IMAGE FORMATION SYSTEM G. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-21
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..., the leaf spring used to apply a developing bias to 30000 lux. 4-24 COPYRIGHT © 1999 CANON INC. Do not use a flannel cloth. Reference: If the photosensitive drum is left alone for 5 ... be affected. The rays of 1500 lux (ordinary lighting) for an appreciable time, the images will develop poor contact. 2. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) If you must clean it will recover to light for...cartridge, and open the drum cover shutter 3) Clean the drum surface with a flannel cloth coated with toner. Be sure to direct sunlight. Caution: 1.
..., the leaf spring used to apply a developing bias to 30000 lux. 4-24 COPYRIGHT © 1999 CANON INC. Do not use a flannel cloth. Reference: If the photosensitive drum is left alone for 5 ... be affected. The rays of 1500 lux (ordinary lighting) for an appreciable time, the images will develop poor contact. 2. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) If you must clean it will recover to light for...cartridge, and open the drum cover shutter 3) Clean the drum surface with a flannel cloth coated with toner. Be sure to direct sunlight. Caution: 1.
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OPERATIONS 6-1 A. I. It also shows how these units may be disassembled/assembled and adjusted. CHAPTER 6 FIXING SYSTEM This chapter explains the principles used to fuse toner images to transfer medium in view of the functions of electrical and mechanical units and in relation to their timing of operation. Outline 6-1 B. Fixing Assembly 6-11 COPYRIGHT © 1999 CANON INC. Controlling the Fixing Temperature 6-3 II. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) DISASSEMBLY/ASSEMBLY ..... 6-10 A.
OPERATIONS 6-1 A. I. It also shows how these units may be disassembled/assembled and adjusted. CHAPTER 6 FIXING SYSTEM This chapter explains the principles used to fuse toner images to transfer medium in view of the functions of electrical and mechanical units and in relation to their timing of operation. Outline 6-1 B. Fixing Assembly 6-11 COPYRIGHT © 1999 CANON INC. Controlling the Fixing Temperature 6-3 II. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) DISASSEMBLY/ASSEMBLY ..... 6-10 A.
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... a. Avoid areas subjected to high or low temperature/humidity or where temperature or humidity tends to storing light. d. The cartridge also holds toner, requiring the user to exercise care when storing or handling it in a car for storage.) 1. Avoid areas subject to the direct rays... of the sun, i.e., near an air conditioner). Avoid areas subject to dust, ammonium gas, or organic solvent. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-3 CHAPTER 10 MAINTENANCE AND SERVICING B. Make sure that the user stores it...
... a. Avoid areas subjected to high or low temperature/humidity or where temperature or humidity tends to storing light. d. The cartridge also holds toner, requiring the user to exercise care when storing or handling it in a car for storage.) 1. Avoid areas subject to the direct rays... of the sun, i.e., near an air conditioner). Avoid areas subject to dust, ammonium gas, or organic solvent. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-3 CHAPTER 10 MAINTENANCE AND SERVICING B. Make sure that the user stores it...
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Figure 10-401 b. Figure 10-402 10-4 COPYRIGHT © 1999 CANON INC. CHAPTER 10 MAINTENANCE AND SERVICING 2. If you shake it in a different way, the toner can spill out of toner, hold the cartridge level and shake it about 90° several times as shown in Figure 10401 to run out of the developing... assembly or the cleaning assembly. Do not place the cartridge on its end or turn it starts to even out the toner inside. Handling the Cartridge a. Before setting the cartridge in the machine or if copies have white spots as when it over as shown in Figure...
Figure 10-401 b. Figure 10-402 10-4 COPYRIGHT © 1999 CANON INC. CHAPTER 10 MAINTENANCE AND SERVICING 2. If you shake it in a different way, the toner can spill out of toner, hold the cartridge level and shake it about 90° several times as shown in Figure 10401 to run out of the developing... assembly or the cleaning assembly. Do not place the cartridge on its end or turn it starts to even out the toner inside. Handling the Cartridge a. Before setting the cartridge in the machine or if copies have white spots as when it over as shown in Figure...
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...cartridge must be sure to strong light, and the light-blocking shutter is susceptible to put a cover over it with a flannel cloth coated with toner. In particular, do not impose force on the shutter for the photosensitive drum cover found at the bottom of the cartridge. (If you have soiled... the surface of the sun is noted; CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-5 Make sure that it will not cause practical problems. Nevertheless, avoid ...
...cartridge must be sure to strong light, and the light-blocking shutter is susceptible to put a cover over it with a flannel cloth coated with toner. In particular, do not impose force on the shutter for the photosensitive drum cover found at the bottom of the cartridge. (If you have soiled... the surface of the sun is noted; CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-5 Make sure that it will not cause practical problems. Nevertheless, avoid ...
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... cover shutter Tools/solvents Most cloth Work/remarks Cleaning; Do not use water or solvent. Points to prevent toner soiling images. Multifeeder, Pickup roller Moist cloth or alcohol Cleaning. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Cleaning. Fixing Assembly, Delivery Assembly Item Tools...
... cover shutter Tools/solvents Most cloth Work/remarks Cleaning; Do not use water or solvent. Points to prevent toner soiling images. Multifeeder, Pickup roller Moist cloth or alcohol Cleaning. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Cleaning. Fixing Assembly, Delivery Assembly Item Tools...
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CHAPTER 11 TROUBLESHOOTING 8. Figure 11-301 Try the following as shown. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-49 Figure 11-302 2) Set the cartridge back into the machine, and make ... replaced with a new cartridge soon. • If the copies are not normal, Replace the new cartridge. Cartridge When the cartridge starts to run out of toner, copies will start to use the cartridge, but the user must know that it several times. Consumable a.
CHAPTER 11 TROUBLESHOOTING 8. Figure 11-301 Try the following as shown. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-49 Figure 11-302 2) Set the cartridge back into the machine, and make ... replaced with a new cartridge soon. • If the copies are not normal, Replace the new cartridge. Cartridge When the cartridge starts to run out of toner, copies will start to use the cartridge, but the user must know that it several times. Consumable a.
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...Replace the cartridge. End. Instruct the user on the transfer lower guide plate and the side plate (metal) of storage. 2. COPYRIGHT © 1999 CANON INC. YES/NO YES NO NO YES YES NO YES NO Action End. Replace the transfer charging roller. 1. The copy paper may not bring the...the transfer lower guide happens to protect the drum from light.) Is the transfer charging roller normal? CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-53 Is the toner image before transfer more or less normal? (Be sure to step 6. 1. Measure the electrical resistance...
...Replace the cartridge. End. Instruct the user on the transfer lower guide plate and the side plate (metal) of storage. 2. COPYRIGHT © 1999 CANON INC. YES/NO YES NO NO YES YES NO YES NO Action End. Replace the transfer charging roller. 1. The copy paper may not bring the...the transfer lower guide happens to protect the drum from light.) Is the transfer charging roller normal? CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-53 Is the toner image before transfer more or less normal? (Be sure to step 6. 1. Measure the electrical resistance...
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YES/NO Action YES End. YES 1. Clean the scanning lamp, reflecting plate, lens, and mirror. End. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Turn off the power in the machine. Replace the cartridge. 2. Is the problem corrected? ... YES NO YES Action Set the switch or the lever to the middle setting? Check the developing assembly. 11-54 COPYRIGHT © 1999 CANON INC. Is the toner image on the photosensitive drum before transfer more or less uneven? Replace the scanning lamp. If the image is mounted correctly (in reference to...
YES/NO Action YES End. YES 1. Clean the scanning lamp, reflecting plate, lens, and mirror. End. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Turn off the power in the machine. Replace the cartridge. 2. Is the problem corrected? ... YES NO YES Action Set the switch or the lever to the middle setting? Check the developing assembly. 11-54 COPYRIGHT © 1999 CANON INC. Is the toner image on the photosensitive drum before transfer more or less uneven? Replace the scanning lamp. If the image is mounted correctly (in reference to...
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... transfer charging roller assembly? Shake the cartridge several times. Is the problem corrected? 4 Is there foreign matter or scratches in the middle of toner. YES End. YES End. YES Inform the user that the cartridge is foggy vertically. 8 The copy has black lines. (vertical, fuzzy... cartridge once again. Clean the transfer guide assembly. Static eliminator Transfer charging roller 3 Clean the static eliminator. COPYRIGHT © 1999 CANON INC. Does the copy image before moving through the fixing assembly have white spots or white lines? CHAPTER 11 TROUBLESHOOTING 7 The copy...
... transfer charging roller assembly? Shake the cartridge several times. Is the problem corrected? 4 Is there foreign matter or scratches in the middle of toner. YES End. YES End. YES Inform the user that the cartridge is foggy vertically. 8 The copy has black lines. (vertical, fuzzy... cartridge once again. Clean the transfer guide assembly. Static eliminator Transfer charging roller 3 Clean the static eliminator. COPYRIGHT © 1999 CANON INC. Does the copy image before moving through the fixing assembly have white spots or white lines? CHAPTER 11 TROUBLESHOOTING 7 The copy...
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... moving through the feeding assembly. Check the scanning lamp for flickering and the presence/ absence of a developing bias. 13 The back of toner. The paper may be moist. Cause Transfer guide assembly Feeding assembly Pickup guide assembly, Delivery roller Step 1 2 3 Checks Turn off ...the power while copy paper is soiled. Clean the pickup guide assembly and the delivery roller. 11-56 COPYRIGHT © 1999 CANON INC. Is the feeding assembly soiled? Check the cartridge for foreign matter. 2. Scanning lamp, Developing bias YES/NO YES YES Yes NO ...
... moving through the feeding assembly. Check the scanning lamp for flickering and the presence/ absence of a developing bias. 13 The back of toner. The paper may be moist. Cause Transfer guide assembly Feeding assembly Pickup guide assembly, Delivery roller Step 1 2 3 Checks Turn off ...the power while copy paper is soiled. Clean the pickup guide assembly and the delivery roller. 11-56 COPYRIGHT © 1999 CANON INC. Is the feeding assembly soiled? Check the cartridge for foreign matter. 2. Scanning lamp, Developing bias YES/NO YES YES Yes NO ...
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... the cartridge. 21 The copy is blank. NO 1. Remove the opening seal. Does the lens move smoothly? End. Does the cartridge have toner? Replace the cartridge COPYRIGHT © 1999 CANON INC. Is the horizontal ratio in Direct within specification? Does the drum drive gear rotate normally? Does the drum cover shutter open...-of the cartridge in the machine. Is the problem corrected? YES/NO YES YES NO NO YES NO Action Correct the light image problem first. 1. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-59
... the cartridge. 21 The copy is blank. NO 1. Remove the opening seal. Does the lens move smoothly? End. Does the cartridge have toner? Replace the cartridge COPYRIGHT © 1999 CANON INC. Is the horizontal ratio in Direct within specification? Does the drum drive gear rotate normally? Does the drum cover shutter open...-of the cartridge in the machine. Is the problem corrected? YES/NO YES YES NO NO YES NO Action Correct the light image problem first. 1. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-59
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...roller 4 Is the feed belt rotating properly? 5 Is the static eliminator soiled with solvent. If dirt is found , clean with toner? if wear or deformation is found , replace it moves smoothly. Does the delivery detecting lever move smoothly? Replace the roller or the... the foreign matter. CHAPTER 11 TROUBLESHOOTING 2 Separation/Feeding Assembly Cause Copy paper Feeding assembly Step 1 2 3 Checks Try paper recommended by Canon. NO 1. Check the spring used to use recommended paper. Does the delivery sensor operate normally? Is the problem corrected? Does the delivery...
...roller 4 Is the feed belt rotating properly? 5 Is the static eliminator soiled with solvent. If dirt is found , clean with toner? if wear or deformation is found , replace it moves smoothly. Does the delivery detecting lever move smoothly? Replace the roller or the... the foreign matter. CHAPTER 11 TROUBLESHOOTING 2 Separation/Feeding Assembly Cause Copy paper Feeding assembly Step 1 2 3 Checks Try paper recommended by Canon. NO 1. Check the spring used to use recommended paper. Does the delivery sensor operate normally? Is the problem corrected? Does the delivery...