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...mode, paper may contain as many as a single entity (cartridge). All-in-One Cartridge for Simple Maintenance • The photosensitive drum, toner case, charging roller, developing assembly, and cleaning assembly are constructed as 550 sheets of a roller charging method has resulted in 1% increments....work . 6. ADF Type • Continuous copying is 0 sec (at all times as long as a business card. 5. COPYRIGHT © 1999 CANON INC. CHAPTER 1 GENERAL DESCRIPTION I. Personal Copier with the use of paper (500-sheet cassette + multifeeder; Large Paper Source • The source ...
...mode, paper may contain as many as a single entity (cartridge). All-in-One Cartridge for Simple Maintenance • The photosensitive drum, toner case, charging roller, developing assembly, and cleaning assembly are constructed as 550 sheets of a roller charging method has resulted in 1% increments....work . 6. ADF Type • Continuous copying is 0 sec (at all times as long as a business card. 5. COPYRIGHT © 1999 CANON INC. CHAPTER 1 GENERAL DESCRIPTION I. Personal Copier with the use of paper (500-sheet cassette + multifeeder; Large Paper Source • The source ...
Service Manual
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CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Copier 1. Type Item Body Copyboard Source of light Lens Photosensitive medium 2. Mechanisms Item Reproduction ... focal 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 1-202 1-2 COPYRIGHT ©...
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Copier 1. Type Item Body Copyboard Source of light Lens Photosensitive medium 2. Mechanisms Item Reproduction ... focal 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 1-202 1-2 COPYRIGHT ©...
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... 55.9 lb*2 Copy paper: Keep wrapped, and protect against humidity. reference only) Copying: 0.4kWh (approx.; CHAPTER 1 GENERAL DESCRIPTION 4. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-5 about 5min; Others Item Operating condition Temperature Humidity Atmospheric pressure Power ... 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...
... 55.9 lb*2 Copy paper: Keep wrapped, and protect against humidity. reference only) Copying: 0.4kWh (approx.; CHAPTER 1 GENERAL DESCRIPTION 4. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-5 about 5min; Others Item Operating condition Temperature Humidity Atmospheric pressure Power ... 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...
Service Manual
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... roller to the transfer roller as when a jam occurs if left unattended. To remove excess toner, a positive voltage is applied to the transfer roller as follows, thereby returning the toner from the photosensitive drum to the drum: < Timing > • While initial rotation is ...bias 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. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) A current of a specific level (-14.6 µA) is applied to the transfer ...
... roller to the transfer roller as when a jam occurs if left unattended. To remove excess toner, a positive voltage is applied to the transfer roller as follows, thereby returning the toner from the photosensitive drum to the drum: < Timing > • While initial rotation is ...bias 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. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) A current of a specific level (-14.6 µA) is applied to the transfer ...
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...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. Outline The circuit shown in Figure 4-107 is applied to the developing cylinder while copies are applied to the developing cylinder... Both AC bias and DC bias are being made. Reference : Developing DC bias : -80 ~ -550V Developing AC bias : 1200Vpp ± 10% COPYRIGHT © 1999 CANON INC. CHAPTER 4 IMAGE FORMATION SYSTEM E. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-11
...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. Outline The circuit shown in Figure 4-107 is applied to the developing cylinder while copies are applied to the developing cylinder... Both AC bias and DC bias are being made. Reference : Developing DC bias : -80 ~ -550V Developing AC bias : 1200Vpp ± 10% COPYRIGHT © 1999 CANON INC. CHAPTER 4 IMAGE FORMATION SYSTEM E. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-11
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CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) SW101 Figure 4-108 If the machine is not equipped with a density correction switch (SW101), the image density changes in AE mode according to the scanning lamp Toner save mode -75V -2V*1 -3V*2 Photo mode +15V -2V*1 -3V*2... lever (in manual adjustment mode) • Output of the AE sensor (in automatic control mode) • Setting of copy mode (toner save mode or photo mode is selected. The density correction switch (SW101) affects both manual density adjustment and auto density adjustment (AE). CHAPTER...
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) SW101 Figure 4-108 If the machine is not equipped with a density correction switch (SW101), the image density changes in AE mode according to the scanning lamp Toner save mode -75V -2V*1 -3V*2 Photo mode +15V -2V*1 -3V*2... lever (in manual adjustment mode) • Output of the AE sensor (in automatic control mode) • Setting of copy mode (toner save mode or photo mode is selected. The density correction switch (SW101) affects both manual density adjustment and auto density adjustment (AE). CHAPTER...
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...SYSTEM G. Outline The machine is moved in relation to prevent adhesion of the side blanking lamp in Reduce mode Figure 4-122 COPYRIGHT © 1999 CANON INC. Controlling the Side Blanking Mechanism 1. Rear side blanking lamp Reflecting plate Lens shift detecting shaft Front side blanking lamp (front) Figure 4-121 ...blanking lamp at the front and the rear used to the distance over which the lens moves as detected by the lens shift detecting shaft. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-21 Operations To blank out the non-image area in Direct ...
...SYSTEM G. Outline The machine is moved in relation to prevent adhesion of the side blanking lamp in Reduce mode Figure 4-122 COPYRIGHT © 1999 CANON INC. Controlling the Side Blanking Mechanism 1. Rear side blanking lamp Reflecting plate Lens shift detecting shaft Front side blanking lamp (front) Figure 4-121 ...blanking lamp at the front and the rear used to the distance over which the lens moves as detected by the lens shift detecting shaft. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-21 Operations To blank out the non-image area in Direct ...
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... Do not use a flannel cloth. Reference: If the photosensitive drum is left alone for an appreciable time, the images will develop poor contact. 2. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Cleaning the Drum Caution: As a rule, do not touch or clean the ...and take out the cartridge. 2) Turn over the cartridge, and open the drum cover shutter 3) Clean the drum surface with a flannel cloth coated with toner. CHAPTER 4 IMAGE FORMATION SYSTEM 2. Caution: 1. If exposed to light for 5 min in which it rotates when making copies. The rays of 1500 lux...
... Do not use a flannel cloth. Reference: If the photosensitive drum is left alone for an appreciable time, the images will develop poor contact. 2. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Cleaning the Drum Caution: As a rule, do not touch or clean the ...and take out the cartridge. 2) Turn over the cartridge, and open the drum cover shutter 3) Clean the drum surface with a flannel cloth coated with toner. CHAPTER 4 IMAGE FORMATION SYSTEM 2. Caution: 1. If exposed to light for 5 min in which it rotates when making copies. The rays of 1500 lux...
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It also shows how these units may be disassembled/assembled and adjusted. Outline 6-1 B. DISASSEMBLY/ASSEMBLY ..... 6-10 A. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Controlling the Fixing Temperature 6-3 II. 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. I. OPERATIONS 6-1 A. 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. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Controlling the Fixing Temperature 6-3 II. 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. I. OPERATIONS 6-1 A. Fixing Assembly 6-11 COPYRIGHT © 1999 CANON INC.
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... storage box for a long time, as it in a car for storage.) 1. Avoid areas subject to storing light. COPYRIGHT © 1999 CANON INC. 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 medium is inside a protective box.) b. The cartridge also holds toner, requiring the user to an extremely high temperature. (This applies even ...
... storage box for a long time, as it in a car for storage.) 1. Avoid areas subject to storing light. COPYRIGHT © 1999 CANON INC. 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 medium is inside a protective box.) b. The cartridge also holds toner, requiring the user to an extremely high temperature. (This applies even ...
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... in the machine or if copies have white spots as when it starts to even out the toner inside. If you shake it over as shown 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 10...-402. CHAPTER 10 MAINTENANCE AND SERVICING 2. Figure 10-402 10-4 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN...
... in the machine or if copies have white spots as when it starts to even out the toner inside. If you shake it over as shown 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 10...-402. CHAPTER 10 MAINTENANCE AND SERVICING 2. Figure 10-402 10-4 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN...
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... a means of protection. Keep the following in a dark place for 5 min, it should recover so that it with a flannel cloth coated with toner. Try to excess vibration or impact. If the drum is exposed to light of children. Reference: If the photosensitive drum is exposed to strong light...alone in mind: Caution: 1. g. the memory (i.e., cause of the photosensitive drum as 10000 and 30000 lux.) COPYRIGHT © 1999 CANON INC. Do not leave it using solvents.) d. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-5 e. If the cartridge must be taken out of the...
... a means of protection. Keep the following in a dark place for 5 min, it should recover so that it with a flannel cloth coated with toner. Try to excess vibration or impact. If the drum is exposed to light of children. Reference: If the photosensitive drum is exposed to strong light...alone in mind: Caution: 1. g. the memory (i.e., cause of the photosensitive drum as 10000 and 30000 lux.) COPYRIGHT © 1999 CANON INC. Do not leave it using solvents.) d. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-5 e. If the cartridge must be taken out of the...
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...remarks Single-feeder pickup roller Moist cloth or alcohol Cleaning. 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. 11-4 Cartridge Item Drum cover shutter Tools/solvents... Most cloth Work/remarks Cleaning; Cleaning. Cleaning. Cleaning. If dirt cannot be sure to remove all toner to Note for Servicing Copyboard, ...
...remarks Single-feeder pickup roller Moist cloth or alcohol Cleaning. 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. 11-4 Cartridge Item Drum cover shutter Tools/solvents... Most cloth Work/remarks Cleaning; Cleaning. Cleaning. Cleaning. If dirt cannot be sure to remove all toner to Note for Servicing Copyboard, ...
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.... Figure 11-301 Try the following as shown. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-49 Cartridge When the cartridge starts to run out of toner, copies will start to use the cartridge, but the user must be replaced with a new cartridge soon. • If the...
.... Figure 11-301 Try the following as shown. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-49 Cartridge When the cartridge starts to run out of toner, copies will start to use the cartridge, but the user must be replaced with a new cartridge soon. • If the...
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Is the problem corrected? Is the toner image before transfer more or less normal? (Be sure to make a check in a short time...user on the transfer lower guide plate and the side plate (metal) of the fixing assembly. COPYRIGHT © 1999 CANON INC. Check to find out if the transfer lower guide happens to be moist. Turn off the power in contact ...with a metal part (side plate). 2. Is the problem corrected? End. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-53 Try fresh copy paper. Measure the electrical...
Is the problem corrected? Is the toner image before transfer more or less normal? (Be sure to make a check in a short time...user on the transfer lower guide plate and the side plate (metal) of the fixing assembly. COPYRIGHT © 1999 CANON INC. Check to find out if the transfer lower guide happens to be moist. Turn off the power in contact ...with a metal part (side plate). 2. Is the problem corrected? End. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-53 Try fresh copy paper. Measure the electrical...
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... density adjusting lever set to the drum drive gear). 1. Set the cartridge in reference to the middle setting? Is the toner image on the photosensitive drum before transfer more or less uneven? CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) YES/NO Action YES End. Is there electrical... image is still foggy, to the middle setting, and make a copy. YES 1. Is the problem corrected? Check the developing assembly. 11-54 COPYRIGHT © 1999 CANON INC. End.
... density adjusting lever set to the drum drive gear). 1. Set the cartridge in reference to the middle setting? Is the toner image on the photosensitive drum before transfer more or less uneven? CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) YES/NO Action YES End. Is there electrical... image is still foggy, to the middle setting, and make a copy. YES 1. Is the problem corrected? Check the developing assembly. 11-54 COPYRIGHT © 1999 CANON INC. End.
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... scanning lamp, reflecting plate, lens, and mirror. Is the problem corrected? 4 Is there foreign matter or scratches in the middle of toner. Cartridge YES/NO Action YES Check the fixing assembly. YES End. Is the problem corrected? YES End. Is the problem corrected? Shake... the cartridge several times. NO Replace the cartridge. COPYRIGHT © 1999 CANON INC. Clean the transfer guide assembly. YES/NO Action YES End. Does the copy image before moving through the fixing assembly have...
... scanning lamp, reflecting plate, lens, and mirror. Is the problem corrected? 4 Is there foreign matter or scratches in the middle of toner. Cartridge YES/NO Action YES Check the fixing assembly. YES End. Is the problem corrected? YES End. Is the problem corrected? Shake... the cartridge several times. NO Replace the cartridge. COPYRIGHT © 1999 CANON INC. Clean the transfer guide assembly. YES/NO Action YES End. Does the copy image before moving through the fixing assembly have...
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... the paper soiled? Check the scanning lamp for flickering and the presence/ absence of a developing bias. 13 The back of toner. Clean the registration roller. 3. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Cause Transfer guide assembly Feeding assembly Pickup guide assembly, ...paper is soiled. Is the transfer guide assembly soiled? Clean the pickup guide assembly and the delivery roller. 11-56 COPYRIGHT © 1999 CANON INC. Is the back of the scanner cable. Check the varistor. 4. Scanner rail 3 Is the problem noted at the same position on...
... the paper soiled? Check the scanning lamp for flickering and the presence/ absence of a developing bias. 13 The back of toner. Clean the registration roller. 3. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Cause Transfer guide assembly Feeding assembly Pickup guide assembly, ...paper is soiled. Is the transfer guide assembly soiled? Clean the pickup guide assembly and the delivery roller. 11-56 COPYRIGHT © 1999 CANON INC. Is the back of the scanner cable. Check the varistor. 4. Scanner rail 3 Is the problem noted at the same position on...
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...plate, mirror, and lens. YES/NO YES YES NO NO YES NO Action Correct the light image problem first. 1. Does the cartridge have toner? Replace the cartridge. Check the cartridge. CHAPTER 11 TROUBLESHOOTING 20 The copy has poor sharpness. (out-of placing originals. Turn off the copyboard... glass? NO 1. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-59 Replace the cartridge. 21 The copy is blank. Check the...
...plate, mirror, and lens. YES/NO YES YES NO NO YES NO Action Correct the light image problem first. 1. Does the cartridge have toner? Replace the cartridge. Check the cartridge. CHAPTER 11 TROUBLESHOOTING 20 The copy has poor sharpness. (out-of placing originals. Turn off the copyboard... glass? NO 1. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-59 Replace the cartridge. 21 The copy is blank. Check the...
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...sensor (Q751) Registration roller 4 Is the feed belt rotating properly? 5 Is the static eliminator soiled with solvent. COPYRIGHT © 1999 CANON INC. Registrationrelated spring, Spring clutch of storing paper. YES Check the belt and the roller. Replace the roller or the fixing assembly upper ...-77 YES Clean the static eliminator. Is the copy paper curled, wavy, or otherwise deformed? If dirt is found , clean with toner? NO Remove the foreign matter. Does the delivery sensor operate normally? Does the delivery roller operate smoothly? NO Replace the sensor or ...
...sensor (Q751) Registration roller 4 Is the feed belt rotating properly? 5 Is the static eliminator soiled with solvent. COPYRIGHT © 1999 CANON INC. Registrationrelated spring, Spring clutch of storing paper. YES Check the belt and the roller. Replace the roller or the fixing assembly upper ...-77 YES Clean the static eliminator. Is the copy paper curled, wavy, or otherwise deformed? If dirt is found , clean with toner? NO Remove the foreign matter. Does the delivery sensor operate normally? Does the delivery roller operate smoothly? NO Replace the sensor or ...