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...resulted in a considerable reduction of the ADF. COPYRIGHT © 1999 CANON INC. The user may be between 70% and 141% in -One Cartridge for Simple Maintenance • The photosensitive drum, toner case, charging roller, developing assembly, and cleaning assembly are constructed as... a business card. 5. SURF Fixing Assembly • The wait time is possible with existing Canon machines). 3. Large Paper Source • The source...
...resulted in a considerable reduction of the ADF. COPYRIGHT © 1999 CANON INC. The user may be between 70% and 141% in -One Cartridge for Simple Maintenance • The photosensitive drum, toner case, charging roller, developing assembly, and cleaning assembly are constructed as... a business card. 5. SURF Fixing Assembly • The wait time is possible with existing Canon machines). 3. Large Paper Source • The source...
Service Manual
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...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 1-202 1-2 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Type Item Body Copyboard Source of light Lens Photosensitive medium...
...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 1-202 1-2 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Type Item Body Copyboard Source of light Lens Photosensitive medium...
Service Manual
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CHAPTER 1 GENERAL DESCRIPTION 4. about 5min; reference only) Copying: 0.4kWh (approx.; CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-5 reference only) Standby: -(sound power level by ISO) Copying: (sound power level... Noise Ozone TVBxxxxx TVCxxxxx TVDxxxxx TVExxxxx TVFxxxxx TVGxxxxx TVHxxxxx TVJxxxxx PUDxxxxx PUExxxxx PUFxxxxx PUGxxxxx TYAxxxxx TZAxxxxx UAAxxxxx PUHxxxxx 0.9 kW or less Standby: 1.2W (approx.; 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...
CHAPTER 1 GENERAL DESCRIPTION 4. about 5min; reference only) Copying: 0.4kWh (approx.; CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-5 reference only) Standby: -(sound power level by ISO) Copying: (sound power level... Noise Ozone TVBxxxxx TVCxxxxx TVDxxxxx TVExxxxx TVFxxxxx TVGxxxxx TVHxxxxx TVJxxxxx PUDxxxxx PUExxxxx PUFxxxxx PUGxxxxx TYAxxxxx TZAxxxxx UAAxxxxx PUHxxxxx 0.9 kW or less Standby: 1.2W (approx.; 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...
Service Manual
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...of the transfer roller or the changes in which last rotation is applied to the transfer roller as follows, thereby returning the toner from the photosensitive drum to the transfer roller as when a jam occurs if left unattended. The microprocessor (Q900) on ...Reference 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. d. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Reference: While the transfer charging roller makes a single rotation, the microprocessor (Q900)...
...of the transfer roller or the changes in which last rotation is applied to the transfer roller as follows, thereby returning the toner from the photosensitive drum to the transfer roller as when a jam occurs if left unattended. The microprocessor (Q900) on ...Reference 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. d. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Reference: While the transfer charging roller makes a single rotation, the microprocessor (Q900)...
Service Manual
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Reference : Developing DC bias : -80 ~ -550V Developing AC bias : 1200Vpp ± 10% COPYRIGHT © 1999 CANON INC. When the photosensitive drum rotates and yet developing is not under way, about -500 VDC is used to control the voltage...the developing cylinder regardless of the position of the density adjusting lever, thereby preventing adhesion of excess toner on the photosensitive drum. CHAPTER 4 IMAGE FORMATION SYSTEM E. Controlling the Developing/Separation Static Eliminator Bias 1. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-11 Outline The circuit...
Reference : Developing DC bias : -80 ~ -550V Developing AC bias : 1200Vpp ± 10% COPYRIGHT © 1999 CANON INC. When the photosensitive drum rotates and yet developing is not under way, about -500 VDC is used to control the voltage...the developing cylinder regardless of the position of the density adjusting lever, thereby preventing adhesion of excess toner on the photosensitive drum. CHAPTER 4 IMAGE FORMATION SYSTEM E. Controlling the Developing/Separation Static Eliminator Bias 1. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-11 Outline The circuit...
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... is not equipped with a density correction switch (SW101), the image density changes in the output of changes in AE mode according to the scanning lamp Toner save mode -75V -2V*1 -3V*2 Photo mode +15V -2V*1 -3V*2 *1: 120 V model *2: 220 / 240 V model Table 4-105 Relationship ...manual adjustment mode) • Output of the AE sensor (in the sensitivity of copy mode (toner save mode or photo mode is set during manual density adjustment. 4-14 COPYRIGHT © 1999 CANON INC. The density correction switch (SW101) affects both manual density adjustment and auto density adjustment (AE...
... is not equipped with a density correction switch (SW101), the image density changes in the output of changes in AE mode according to the scanning lamp Toner save mode -75V -2V*1 -3V*2 Photo mode +15V -2V*1 -3V*2 *1: 120 V model *2: 220 / 240 V model Table 4-105 Relationship ...manual adjustment mode) • Output of the AE sensor (in the sensitivity of copy mode (toner save mode or photo mode is set during manual density adjustment. 4-14 COPYRIGHT © 1999 CANON INC. The density correction switch (SW101) affects both manual density adjustment and auto density adjustment (AE...
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...A , , Photosensitive drum Non-image area in 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 relation to prevent adhesion of the side blanking lamp in reduce mode, the side blanking... which the lens moves as detected by the lens shift detecting shaft. CHAPTER 4 IMAGE FORMATION SYSTEM G. Controlling the Side Blanking Mechanism 1. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-21 Operations To blank out the non-image area in Reduce ...
...A , , Photosensitive drum Non-image area in 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 relation to prevent adhesion of the side blanking lamp in reduce mode, the side blanking... which the lens moves as detected by the lens shift detecting shaft. CHAPTER 4 IMAGE FORMATION SYSTEM G. Controlling the Side Blanking Mechanism 1. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-21 Operations To blank out the non-image area in Reduce ...
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... 1500 lux (ordinary lighting) for 5 min and then is exposed to light of the sun are usually about 10000 to rotate the drum, be affected. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Otherwise, the leaf spring used to apply a developing bias to a level at which...rotate it in the direction in a dark place, it , use paper, lint-free or otherwise. 3. If you need to 30000 lux. 4-24 COPYRIGHT © 1999 CANON INC. Do not use a flannel cloth. Cleaning the Drum Caution: As a rule, do not touch or clean the photosensitive drum. 1) Open the machine's top unit...
... 1500 lux (ordinary lighting) for 5 min and then is exposed to light of the sun are usually about 10000 to rotate the drum, be affected. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Otherwise, the leaf spring used to apply a developing bias to a level at which...rotate it in the direction in a dark place, it , use paper, lint-free or otherwise. 3. If you need to 30000 lux. 4-24 COPYRIGHT © 1999 CANON INC. Do not use a flannel cloth. Cleaning the Drum Caution: As a rule, do not touch or clean the photosensitive drum. 1) Open the machine's top unit...
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OPERATIONS 6-1 A. Controlling the Fixing Temperature 6-3 II. Fixing Assembly 6-11 COPYRIGHT © 1999 CANON INC. It also shows how these units may be disassembled/assembled and adjusted. Outline 6-1 B. DISASSEMBLY/ASSEMBLY ..... 6-10 A. I. 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. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
OPERATIONS 6-1 A. Controlling the Fixing Temperature 6-3 II. Fixing Assembly 6-11 COPYRIGHT © 1999 CANON INC. It also shows how these units may be disassembled/assembled and adjusted. Outline 6-1 B. DISASSEMBLY/ASSEMBLY ..... 6-10 A. I. 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. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
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...areas subjected to high or low temperature/humidity or where temperature or humidity tends to the direct rays of the sun, i.e., near an air conditioner). CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-3 Storing and Handling the Cartridge with the Packaging Seal Removed The photosensitive ...it will be subjected to dust, ammonium gas, or organic solvent. d. CHAPTER 10 MAINTENANCE AND SERVICING B. Storage after Removing the Packaging Seal a. COPYRIGHT © 1999 CANON INC. c. The cartridge also holds toner, requiring the user to storing light.
...areas subjected to high or low temperature/humidity or where temperature or humidity tends to the direct rays of the sun, i.e., near an air conditioner). CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-3 Storing and Handling the Cartridge with the Packaging Seal Removed The photosensitive ...it will be subjected to dust, ammonium gas, or organic solvent. d. CHAPTER 10 MAINTENANCE AND SERVICING B. Storage after Removing the Packaging Seal a. COPYRIGHT © 1999 CANON INC. c. The cartridge also holds toner, requiring the user to storing light.
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.... If you shake it about 90° several times as shown in Figure 10401 to run out of toner, hold the cartridge level and shake it in a different way, the toner can spill out of the developing assembly or the cleaning assembly. Figure 10-401 b. Figure 10-402 10-4 COPYRIGHT ©...; 1999 CANON INC. CHAPTER 10 MAINTENANCE AND SERVICING 2. Handling the Cartridge a. Do not place the cartridge on its end ...
.... If you shake it about 90° several times as shown in Figure 10401 to run out of toner, hold the cartridge level and shake it in a different way, the toner can spill out of the developing assembly or the cleaning assembly. Figure 10-401 b. Figure 10-402 10-4 COPYRIGHT ©...; 1999 CANON INC. CHAPTER 10 MAINTENANCE AND SERVICING 2. Handling the Cartridge a. Do not place the cartridge on its end ...
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...is exposed to strong light for a long time, however, copies can start to show white spots or vertical bands. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-5 Do not disassemble the cartridge. f.... alone as long as a means of the photosensitive drum as 10000 and 30000 lux.) COPYRIGHT © 1999 CANON INC. Try to excess vibration or impact. Do not touch the surface of protection. Reference: If the photosensitive... min, it should recover so that it with a flannel cloth coated with toner. If the drum is noted; Do not leave it using solvents.) d.
...is exposed to strong light for a long time, however, copies can start to show white spots or vertical bands. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-5 Do not disassemble the cartridge. f.... alone as long as a means of the photosensitive drum as 10000 and 30000 lux.) COPYRIGHT © 1999 CANON INC. Try to excess vibration or impact. Do not touch the surface of protection. Reference: If the photosensitive... min, it should recover so that it with a flannel cloth coated with toner. If the drum is noted; Do not leave it using solvents.) d.
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... paper. Cleaning. Work/remarks Dry-wiping. Cleaning. Do not use water or solvent. COPYRIGHT © 1999 CANON INC. If dirt cannot be sure to remove all toner to Note for Servicing Copyboard, Scanner Item Copyboard cover Copyboard glass Lens Scanning lamp Reflecting plate No. 1 through...IN JAPAN (IMPRIME AU JAPON) be removed, dry-wiping with water* or alcohol *Be sure to touch it well. Points to prevent toner soiling images. Dry wiping. B. Fixing Assembly, Delivery Assembly Item Tools/solvent Inlet guide Solvent Work/remarks Cleaning. Cleaning. 11-4 Cartridge ...
... paper. Cleaning. Work/remarks Dry-wiping. Cleaning. Do not use water or solvent. COPYRIGHT © 1999 CANON INC. If dirt cannot be sure to remove all toner to Note for Servicing Copyboard, Scanner Item Copyboard cover Copyboard glass Lens Scanning lamp Reflecting plate No. 1 through...IN JAPAN (IMPRIME AU JAPON) be removed, dry-wiping with water* or alcohol *Be sure to touch it well. Points to prevent toner soiling images. Dry wiping. B. Fixing Assembly, Delivery Assembly Item Tools/solvent Inlet guide Solvent Work/remarks Cleaning. Cleaning. 11-4 Cartridge ...
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CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-49 Consumable a. Figure 11-302 2) Set the cartridge back into the machine, and ... 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. Figure 11-301 Try the following as shown. COPYRIGHT...
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-49 Consumable a. Figure 11-302 2) Set the cartridge back into the machine, and ... 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. Figure 11-301 Try the following as shown. COPYRIGHT...
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...varistor. 1. Turn off the power in a short time to step 6. 1. Check the composite power supply and the DC controller PCB. Is the toner image before transfer more or less normal? (Be sure to make a check in the middle of the fixing assembly. Is the problem corrected? Is... the problem corrected? COPYRIGHT © 1999 CANON INC. CHAPTER 11 TROUBLESHOOTING C. Troubleshooting Image Faults 1 The copy is too light. (halftone area only) 2 The copy is too light. (including solid area...
...varistor. 1. Turn off the power in a short time to step 6. 1. Check the composite power supply and the DC controller PCB. Is the toner image before transfer more or less normal? (Be sure to make a check in the middle of the fixing assembly. Is the problem corrected? Is... the problem corrected? COPYRIGHT © 1999 CANON INC. CHAPTER 11 TROUBLESHOOTING C. Troubleshooting Image Faults 1 The copy is too light. (halftone area only) 2 The copy is too light. (including solid area...
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...mounted correctly (in the machine. Is the problem corrected? YES 1. Clean the scanning lamp, reflecting plate, lens, and mirror. End. Check to step 2). CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) NO 1. Replace the cartridge. 2. Is the problem corrected? If the image is ... reflecting plate, lens, and mirror. Turn off the power in the middle of the drum and the machine's top unit? Is the toner image on the photosensitive drum before transfer more or less uneven? Is there electrical continuity between the PCB of the base of a copying run...
...mounted correctly (in the machine. Is the problem corrected? YES 1. Clean the scanning lamp, reflecting plate, lens, and mirror. End. Check to step 2). CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) NO 1. Replace the cartridge. 2. Is the problem corrected? If the image is ... reflecting plate, lens, and mirror. Turn off the power in the middle of the drum and the machine's top unit? Is the toner image on the photosensitive drum before transfer more or less uneven? Is there electrical continuity between the PCB of the base of a copying run...
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... white spots or white lines? Is the problem corrected? 4 Is there foreign matter or scratches in the middle of toner. Is the problem corrected? Is the problem corrected? COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-55 YES End. YES Remove the foreign...
... white spots or white lines? Is the problem corrected? 4 Is there foreign matter or scratches in the middle of toner. Is the problem corrected? Is the problem corrected? COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-55 YES End. YES Remove the foreign...
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... Action Go to use a recommended type. The paper may be moist. Adjust the tension of toner. Is the back of package. Clean the pickup guide assembly and the delivery roller. 11-56 COPYRIGHT © 1999 CANON INC. Is the feeding assembly soiled? CHAPTER 11 TROUBLESHOOTING 12 The copy has white spots. (horizontal... 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 feeding assembly. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
... Action Go to use a recommended type. The paper may be moist. Adjust the tension of toner. Is the back of package. Clean the pickup guide assembly and the delivery roller. 11-56 COPYRIGHT © 1999 CANON INC. Is the feeding assembly soiled? CHAPTER 11 TROUBLESHOOTING 12 The copy has white spots. (horizontal... 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 feeding assembly. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
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...clean it happens to be warping. 2. Is the original off and then on the correct method of placing originals. Does the cartridge have toner? Check the copyboard cover too see if it . Instruct the user on the power switch. YES Check the highvoltage transformer (composite power ...Cause Original Lens Mirror position Scanner Cartridge Step 1 2 3 4 5 Checks Is the image also too light? Replace the cartridge COPYRIGHT © 1999 CANON INC. CHAPTER 11 TROUBLESHOOTING 20 The copy has poor sharpness. (out-of the cartridge in firm contact with the high-voltage terminal at the machine...
...clean it happens to be warping. 2. Is the original off and then on the correct method of placing originals. Does the cartridge have toner? Check the copyboard cover too see if it . Instruct the user on the power switch. YES Check the highvoltage transformer (composite power ...Cause Original Lens Mirror position Scanner Cartridge Step 1 2 3 4 5 Checks Is the image also too light? Replace the cartridge COPYRIGHT © 1999 CANON INC. CHAPTER 11 TROUBLESHOOTING 20 The copy has poor sharpness. (out-of the cartridge in firm contact with the high-voltage terminal at the machine...
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...like? 6 Does the pre-registration roller paper sensor operate normally? 7 Is the registration roller worn, deformed, or soiled? COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-77 Is the copy paper curled, wavy, or otherwise deformed? YES ...Clean the static eliminator. If dirt is found , clean with toner? Replace the sensor. NO Check the delivery roller drive assembly. NO Replace the ...
...like? 6 Does the pre-registration roller paper sensor operate normally? 7 Is the registration roller worn, deformed, or soiled? COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-77 Is the copy paper curled, wavy, or otherwise deformed? YES ...Clean the static eliminator. If dirt is found , clean with toner? Replace the sensor. NO Check the delivery roller drive assembly. NO Replace the ...