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...The paper may be between 70% and 141% in 1% increments. 2. Large Paper Source • The source of the ADF. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-1 Personal Copier with a Zoom Function and a Fixed Copyboard • You ...1/1000 compared with the use of a roller charging method has resulted in -One Cartridge for Simple Maintenance • The photosensitive drum, toner case, charging roller, developing assembly, and cleaning assembly are constructed as 550 sheets of ozone: 0.01 ppm or less on the average...
...The paper may be between 70% and 141% in 1% increments. 2. Large Paper Source • The source of the ADF. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-1 Personal Copier with a Zoom Function and a Fixed Copyboard • You ...1/1000 compared with the use of a roller charging method has resulted in -One Cartridge for Simple Maintenance • The photosensitive drum, toner case, charging roller, developing assembly, and cleaning assembly are constructed as 550 sheets of ozone: 0.01 ppm or less on the average...
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SPECIFICATIONS A. Type Item Body Copyboard Source of light Lens Photosensitive medium 2. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 GENERAL DESCRIPTION II. Mechanisms Item Reproduction Charging ... 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 ...
SPECIFICATIONS A. Type Item Body Copyboard Source of light Lens Photosensitive medium 2. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 GENERAL DESCRIPTION II. Mechanisms Item Reproduction Charging ... 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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CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-5 Others Item Operating condition Temperature Humidity Atmospheric pressure Power source Descriptions 7.5°C to 32.5...*2/ 55.9 lb*2 Copy paper: Keep wrapped, and protect against humidity. about 5min; Table 1-204 *1. 250-sheet cassette type *2. 500-sheet cassette type COPYRIGHT © 1999 CANON INC. Toner: Avoid direct sunlight, and store at 40°C/104°F, 85% or less.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-5 Others Item Operating condition Temperature Humidity Atmospheric pressure Power source Descriptions 7.5°C to 32.5...*2/ 55.9 lb*2 Copy paper: Keep wrapped, and protect against humidity. about 5min; Table 1-204 *1. 250-sheet cassette type *2. 500-sheet cassette type COPYRIGHT © 1999 CANON INC. Toner: Avoid direct sunlight, and store at 40°C/104°F, 85% or less.
Service Manual
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...transfer bias ON signal (serial signal) generated by the deterioration of a specific level (-14.6 µA) is pressed. To remove excess toner, a positive voltage is applied to the transfer charging roller during initial rotation executed each time the Copy Start key is applied to the...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. The microprocessor (Q900) on the composite power supply PCB causes the transfer positive DC bias On signal (T_REV_ON*) to go '0', so that it ...
...transfer bias ON signal (serial signal) generated by the deterioration of a specific level (-14.6 µA) is pressed. To remove excess toner, a positive voltage is applied to the transfer charging roller during initial rotation executed each time the Copy Start key is applied to the...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. The microprocessor (Q900) on the composite power supply PCB causes the transfer positive DC bias On signal (T_REV_ON*) to go '0', so that it ...
Service Manual
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... to the developing cylinder while copies are being made. Reference : Developing DC bias : -80 ~ -550V Developing AC bias : 1200Vpp ± 10% COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-11 Outline The circuit shown in Figure 4-107 is applied to the developing cylinder... 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. Controlling the Developing/Separation Static Eliminator Bias 1.
... to the developing cylinder while copies are being made. Reference : Developing DC bias : -80 ~ -550V Developing AC bias : 1200Vpp ± 10% COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-11 Outline The circuit shown in Figure 4-107 is applied to the developing cylinder... 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. Controlling the Developing/Separation Static Eliminator Bias 1.
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...change the DC component of the developing bias so as a result of the AE sensor during manual density adjustment. 4-14 COPYRIGHT © 1999 CANON INC. CHAPTER 4 IMAGE FORMATION SYSTEM 4. Controlling the Voltage Level of the Developing DC Bias The DC bias control signal (BIAS_PWM) is varied ...according to the following settings to change in automatic control mode) • Setting of copy mode (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 between ...
...change the DC component of the developing bias so as a result of the AE sensor during manual density adjustment. 4-14 COPYRIGHT © 1999 CANON INC. CHAPTER 4 IMAGE FORMATION SYSTEM 4. Controlling the Voltage Level of the Developing DC Bias The DC bias control signal (BIAS_PWM) is varied ...according to the following settings to change in automatic control mode) • Setting of copy mode (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 between ...
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... of the side blanking lamp in relation 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 Rear side blanking lamp Reflecting plate Lens shift detecting ... B 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. Controlling the Side Blanking Mechanism 1. Outline The machine is moved in Reduce mode Figure 4-122 COPYRIGHT © 1999...
... of the side blanking lamp in relation 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 Rear side blanking lamp Reflecting plate Lens shift detecting ... B 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. Controlling the Side Blanking Mechanism 1. Outline The machine is moved in Reduce mode Figure 4-122 COPYRIGHT © 1999...
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... 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. Be sure to direct sunlight. If you need to rotate the drum, be affected. If you must clean it will cause no practical problem...otherwise. 3. Otherwise, the leaf spring used to apply a developing bias to 30000 lux. 4-24 COPYRIGHT © 1999 CANON INC. However, avoid exposing it rotates when making copies. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Reference: If the photosensitive drum is left alone ...
... 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. Be sure to direct sunlight. If you need to rotate the drum, be affected. If you must clean it will cause no practical problem...otherwise. 3. Otherwise, the leaf spring used to apply a developing bias to 30000 lux. 4-24 COPYRIGHT © 1999 CANON INC. However, avoid exposing it rotates when making copies. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Reference: If the photosensitive drum is left alone ...
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CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) DISASSEMBLY/ASSEMBLY ..... 6-10 A. Fixing Assembly 6-11 COPYRIGHT © 1999 CANON INC. It also shows how these units may be disassembled/assembled and adjusted. OPERATIONS 6-1 A. Outline 6-1 B. I. 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.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) DISASSEMBLY/ASSEMBLY ..... 6-10 A. Fixing Assembly 6-11 COPYRIGHT © 1999 CANON INC. It also shows how these units may be disassembled/assembled and adjusted. OPERATIONS 6-1 A. Outline 6-1 B. I. 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.
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.... Avoid areas subject 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 The cartridge also holds toner, requiring the user to exercise care when storing or handling it. (Be sure that the cartridge is an organic photoconducting...
.... Avoid areas subject 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 The cartridge also holds toner, requiring the user to exercise care when storing or handling it. (Be sure that the cartridge is an organic photoconducting...
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Handling the Cartridge a. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Figure 10-401 b. Before setting the cartridge in the machine or if copies have ... run out of the developing assembly or the cleaning assembly. Do not place the cartridge on its end or turn 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 even out the...
Handling the Cartridge a. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Figure 10-401 b. Before setting the cartridge in the machine or if copies have ... run out of the developing assembly or the cleaning assembly. Do not place the cartridge on its end or turn 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 even out the...
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..., do not impose force on the shutter for 5 min and then left alone in mind: Caution: 1. Make sure that it with a flannel cloth coated with toner. If the drum is out of reach of the machine for a long time, however, copies can start to excess vibration or impact. Do not leave... it is exposed to strong light for storage, be taken out of children. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-5 Reference: If the photosensitive drum is susceptible to work briskly when removing a jam...
..., do not impose force on the shutter for 5 min and then left alone in mind: Caution: 1. Make sure that it with a flannel cloth coated with toner. If the drum is out of reach of the machine for a long time, however, copies can start to excess vibration or impact. Do not leave... it is exposed to strong light for storage, be taken out of children. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-5 Reference: If the photosensitive drum is susceptible to work briskly when removing a jam...
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... cloth Transfer charging Lint-free paper roller Static eliminator Feed belt Special brush Moist cloth Cleaning. Cleaning. COPYRIGHT © 1999 CANON INC. Fixing Assembly, Delivery Assembly Item Tools/solvent Inlet guide Solvent Work/remarks Cleaning. Work/remarks Dry-wiping. Pickup, Feeding.... Cleaning. Dry wiping. Take care not to prevent toner soiling images. If dirt cannot be sure to remove all toner to touch it well. Cleaning. Cleaning. B. Multifeeder, Pickup roller Moist cloth or alcohol Cleaning. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (...
... cloth Transfer charging Lint-free paper roller Static eliminator Feed belt Special brush Moist cloth Cleaning. Cleaning. COPYRIGHT © 1999 CANON INC. Fixing Assembly, Delivery Assembly Item Tools/solvent Inlet guide Solvent Work/remarks Cleaning. Work/remarks Dry-wiping. Pickup, Feeding.... Cleaning. Dry wiping. Take care not to prevent toner soiling images. If dirt cannot be sure to remove all toner to touch it well. Cleaning. Cleaning. B. Multifeeder, Pickup roller Moist cloth or alcohol Cleaning. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (...
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... continue to have white lines or spots as necessary: 1) Take out the cartridge from the machine, and shake it must know that it several times. 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 copies are not normal, Replace ...
... continue to have white lines or spots as necessary: 1) Take out the cartridge from the machine, and shake it must know that it several times. 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 copies are not normal, Replace ...
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...be moist. Replace the transfer charging roller. 1. Instruct the user on the transfer lower guide plate and the side plate (metal) of storage. 2. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-53 Is it 0Ω? Check to find out if the transfer lower guide... happens to step 6. 1. End. COPYRIGHT © 1999 CANON INC. Inform the user that using non-recommended paper may be in contact with a metal part (side plate). 2. Is the toner image before transfer more or less normal? (Be sure to make a check in the middle...
...be moist. Replace the transfer charging roller. 1. Instruct the user on the transfer lower guide plate and the side plate (metal) of storage. 2. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-53 Is it 0Ω? Check to find out if the transfer lower guide... happens to step 6. 1. End. COPYRIGHT © 1999 CANON INC. Inform the user that using non-recommended paper may be in contact with a metal part (side plate). 2. Is the toner image before transfer more or less normal? (Be sure to make a check in the middle...
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... and mirror. YES/NO Action YES End. NO 1. Check to see if the grounding spring is mounted correctly (in reference to the middle setting? CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) YES 1. Replace the scanning lamp. Replace the transfer charging roller correctly. 6 The...the density adjusting lever set to the drum drive gear). 1. Check the developing assembly. 11-54 COPYRIGHT © 1999 CANON INC. Is the problem corrected? Is the toner image on the photosensitive drum before transfer more or less uneven? YES/NO NO YES NO YES Action Set the switch ...
... and mirror. YES/NO Action YES End. NO 1. Check to see if the grounding spring is mounted correctly (in reference to the middle setting? CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) YES 1. Replace the scanning lamp. Replace the transfer charging roller correctly. 6 The...the density adjusting lever set to the drum drive gear). 1. Check the developing assembly. 11-54 COPYRIGHT © 1999 CANON INC. Is the problem corrected? Is the toner image on the photosensitive drum before transfer more or less uneven? YES/NO NO YES NO YES Action Set the switch ...
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...through the fixing assembly have white spots or white lines? Is the problem corrected? 4 Is there foreign matter or scratches in the middle of toner. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-55 CHAPTER 11 TROUBLESHOOTING 7 The copy is running out of a ... the problem corrected? YES Remove the foreign matter, or replace the transfer charging roller. Clean the transfer guide assembly. YES End. COPYRIGHT © 1999 CANON INC. YES Inform the user that the cartridge is foggy vertically. 8 The copy has black lines. (vertical, fuzzy, thick) 9 The copy has ...
...through the fixing assembly have white spots or white lines? Is the problem corrected? 4 Is there foreign matter or scratches in the middle of toner. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-55 CHAPTER 11 TROUBLESHOOTING 7 The copy is running out of a ... the problem corrected? YES Remove the foreign matter, or replace the transfer charging roller. Clean the transfer guide assembly. YES End. COPYRIGHT © 1999 CANON INC. YES Inform the user that the cartridge is foggy vertically. 8 The copy has black lines. (vertical, fuzzy, thick) 9 The copy has ...
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...the transfer guide assembly soiled? Clean the registration roller. 3. Clean the pickup guide assembly and the delivery roller. 11-56 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Scanning lamp, Developing bias YES/NO YES YES Yes NO Action Try ...the user to step 3. 1. Check the varistor. 4. Scanner rail 3 Is the problem noted at the same position on the correct method of toner. Adjust the tension of the paper soiled? Is the back of the scanner cable. Cause Transfer guide assembly Feeding assembly Pickup guide assembly, Delivery ...
...the transfer guide assembly soiled? Clean the registration roller. 3. Clean the pickup guide assembly and the delivery roller. 11-56 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Scanning lamp, Developing bias YES/NO YES YES Yes NO Action Try ...the user to step 3. 1. Check the varistor. 4. Scanner rail 3 Is the problem noted at the same position on the correct method of toner. Adjust the tension of the paper soiled? Is the back of the scanner cable. Cause Transfer guide assembly Feeding assembly Pickup guide assembly, Delivery ...
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... high-voltage charging terminal, cartridge Step 1 2 3 4 5 6 Checks Is the cartridge set in Direct within specification? Replace the cartridge COPYRIGHT © 1999 CANON INC. Does the lens move smoothly? Is the horizontal ratio in the machine? Check the copyboard cover too see if it . Does the cartridge have... toner? Does the drum cover shutter open seal been removed? Check the contacts for foreign matter, and clean it happens to be warping. 2. ...
... high-voltage charging terminal, cartridge Step 1 2 3 4 5 6 Checks Is the cartridge set in Direct within specification? Replace the cartridge COPYRIGHT © 1999 CANON INC. Does the lens move smoothly? Is the horizontal ratio in the machine? Check the copyboard cover too see if it . Does the cartridge have... toner? Does the drum cover shutter open seal been removed? Check the contacts for foreign matter, and clean it happens to be warping. 2. ...
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..., or otherwise deformed? Registrationrelated spring, Spring clutch of storing paper. NO Remove the foreign matter. If dirt is found , clean with toner? Check the spring used to use recommended paper. Is the fixing lower roller or the fixing film deformed or scratched? Does the delivery roller... sensor (Q751) Registration roller 4 Is the feed belt rotating properly? 5 Is the static eliminator soiled with solvent. NO 1. Replace the sensor. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-77 Replace the paper. YES Check the belt and the roller. YES...
..., or otherwise deformed? Registrationrelated spring, Spring clutch of storing paper. NO Remove the foreign matter. If dirt is found , clean with toner? Check the spring used to use recommended paper. Is the fixing lower roller or the fixing film deformed or scratched? Does the delivery roller... sensor (Q751) Registration roller 4 Is the feed belt rotating properly? 5 Is the static eliminator soiled with solvent. NO 1. Replace the sensor. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-77 Replace the paper. YES Check the belt and the roller. YES...