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...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, and cleaning assembly are constructed as a business card. 5. Large Paper Source • The source of paper ...easy. 8. ADF Type • Continuous copying is 0 sec (at all times as long as 550 sheets of the ADF. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-1 Ecology-Conscious • The use of paper (500-sheet cassette + multifeeder...
...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, and cleaning assembly are constructed as a business card. 5. Large Paper Source • The source of paper ...easy. 8. ADF Type • Continuous copying is 0 sec (at all times as long as 550 sheets of the ADF. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-1 Ecology-Conscious • The use of paper (500-sheet cassette + multifeeder...
Service Manual
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Type Item Body Copyboard Source of light Lens Photosensitive medium 2. CHAPTER 1 GENERAL DESCRIPTION II. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) SPECIFICATIONS A. Mechanisms Item Reproduction Charging Exposure ...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 ...
Type Item Body Copyboard Source of light Lens Photosensitive medium 2. CHAPTER 1 GENERAL DESCRIPTION II. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) SPECIFICATIONS A. Mechanisms Item Reproduction Charging Exposure ...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 ...
Service Manual
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....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. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-5 Toner: Avoid direct sunlight, and store at 40°C/104°F, 85% or less. Table 1-204 *1. 250-sheet cassette type *2. 500...
....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. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-5 Toner: Avoid direct sunlight, and store at 40°C/104°F, 85% or less. Table 1-204 *1. 250-sheet cassette type *2. 500...
Service Manual
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...(serial signal) generated by the deterioration of the Transfer Bias (cleaning bias) The machine uses a direct charging method, allowing toner to move from the photosensitive drum to the transfer charging roller during initial rotation executed each time the Copy Start key is ...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. In response to the signal, the microprocessor (Q900) on the composite power supply PCB checks the transfer current detection signal (T_FW_S), and varies...
...(serial signal) generated by the deterioration of the Transfer Bias (cleaning bias) The machine uses a direct charging method, allowing toner to move from the photosensitive drum to the transfer charging roller during initial rotation executed each time the Copy Start key is ...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. In response to the signal, the microprocessor (Q900) on the composite power supply PCB checks the transfer current detection signal (T_FW_S), and varies...
Service Manual
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... yet developing is not under way, about -500 VDC is used to control the voltage applied to the developing cylinder while copies are being made. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-11 CHAPTER 4 IMAGE FORMATION SYSTEM E. 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 adhesion of excess toner on and off the static eliminator bias) • Controlling the voltage level of the developing DC bias Both AC bias and DC bias are...
... yet developing is not under way, about -500 VDC is used to control the voltage applied to the developing cylinder while copies are being made. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-11 CHAPTER 4 IMAGE FORMATION SYSTEM E. 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 adhesion of excess toner on and off the static eliminator bias) • Controlling the voltage level of the developing DC bias Both AC bias and DC bias are...
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...the sensitivity of the photosensitive drum. Controlling the Voltage Level of the AE sensor during manual density adjustment. 4-14 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Developing DC bias Voltage supplied to the setting used for normal ...copying when 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 ...
...the sensitivity of the photosensitive drum. Controlling the Voltage Level of the AE sensor during manual density adjustment. 4-14 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Developing DC bias Voltage supplied to the setting used for normal ...copying when 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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Controlling the Side Blanking Mechanism 1. Outline The machine is moved in Reduce mode Figure 4-122 COPYRIGHT © 1999 CANON INC. Rear side blanking lamp Reflecting plate Lens shift detecting shaft Front side blanking lamp (front) Figure 4-121 Reflecting plate A B 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. CHAPTER 4 IMAGE FORMATION SYSTEM G. Operations To blank out the non-image area in reduce mode, the side blanking lamp ...
Controlling the Side Blanking Mechanism 1. Outline The machine is moved in Reduce mode Figure 4-122 COPYRIGHT © 1999 CANON INC. Rear side blanking lamp Reflecting plate Lens shift detecting shaft Front side blanking lamp (front) Figure 4-121 Reflecting plate A B 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. CHAPTER 4 IMAGE FORMATION SYSTEM G. Operations To blank out the non-image area in reduce mode, the side blanking lamp ...
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...place, it to a level at which it rotates when making copies. If exposed to 30000 lux. 4-24 COPYRIGHT © 1999 CANON INC. Caution: 1. Do not use a flannel cloth. Reference: If the photosensitive drum is exposed to light of the sun ... to light for 5 min in which it , use paper, lint-free or otherwise. 3. If you need to work briskly. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 4 IMAGE FORMATION SYSTEM 2. Cleaning the Drum Caution: As..., and open the drum cover shutter 3) Clean the drum surface with a flannel cloth coated with toner.
...place, it to a level at which it rotates when making copies. If exposed to 30000 lux. 4-24 COPYRIGHT © 1999 CANON INC. Caution: 1. Do not use a flannel cloth. Reference: If the photosensitive drum is exposed to light of the sun ... to light for 5 min in which it , use paper, lint-free or otherwise. 3. If you need to work briskly. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 4 IMAGE FORMATION SYSTEM 2. Cleaning the Drum Caution: As..., and open the drum cover shutter 3) Clean the drum surface with a flannel cloth coated with toner.
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Controlling the Fixing Temperature 6-3 II. Outline 6-1 B. DISASSEMBLY/ASSEMBLY ..... 6-10 A. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) It also shows how these units may be disassembled/assembled and adjusted. OPERATIONS 6-1 A. 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. Fixing Assembly 6-11 COPYRIGHT © 1999 CANON INC.
Controlling the Fixing Temperature 6-3 II. Outline 6-1 B. DISASSEMBLY/ASSEMBLY ..... 6-10 A. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) It also shows how these units may be disassembled/assembled and adjusted. OPERATIONS 6-1 A. 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. Fixing Assembly 6-11 COPYRIGHT © 1999 CANON INC.
Service Manual
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...IMPRIME AU JAPON) 10-3 Storage after Removing the Packaging Seal a. Avoid areas subject to change abruptly (e.g., near a window. COPYRIGHT © 1999 CANON INC. c. d. CHAPTER 10 MAINTENANCE AND SERVICING B. Avoid areas subjected to high or low temperature/humidity or where temperature or humidity tends to ...Make sure that the user stores it . (Be sure that the cartridge is inside a protective box.) b. The cartridge also holds toner, requiring the user to an extremely high temperature. (This applies even if the cartridge is stored at 40°C/104°F or lower.
...IMPRIME AU JAPON) 10-3 Storage after Removing the Packaging Seal a. Avoid areas subject to change abruptly (e.g., near a window. COPYRIGHT © 1999 CANON INC. c. d. CHAPTER 10 MAINTENANCE AND SERVICING B. Avoid areas subjected to high or low temperature/humidity or where temperature or humidity tends to ...Make sure that the user stores it . (Be sure that the cartridge is inside a protective box.) b. The cartridge also holds toner, requiring the user to an extremely high temperature. (This applies even if the cartridge is stored at 40°C/104°F or lower.
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If you shake it in a different way, the toner can spill out of toner, hold the cartridge level and shake it starts to even out the toner inside. Before setting the cartridge in the machine or if copies have white spots as shown ...in Figure 10401 to run out of the developing assembly or the cleaning assembly. Figure 10-401 b. CANON PC800s/900s REV.0 AUG...176; several times as shown in Figure 10-402. Figure 10-402 10-4 COPYRIGHT © 1999 CANON INC.
If you shake it in a different way, the toner can spill out of toner, hold the cartridge level and shake it starts to even out the toner inside. Before setting the cartridge in the machine or if copies have white spots as shown ...in Figure 10401 to run out of the developing assembly or the cleaning assembly. Figure 10-401 b. CANON PC800s/900s REV.0 AUG...176; several times as shown in Figure 10-402. Figure 10-402 10-4 COPYRIGHT © 1999 CANON INC.
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... not cause practical problems. Nevertheless, avoid direct sunshine. (The rays of the sun is provided as 10000 and 30000 lux.) COPYRIGHT © 1999 CANON INC. Reference: If the photosensitive drum is exposed to strong light, and the light-blocking shutter is as strong as a means of the machine.... Try to show white spots or vertical bands. Make sure that it . Do not leave it with a flannel cloth coated with toner. Do not disassemble the cartridge. g. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-5 f. If the drum is out of reach of the...
... not cause practical problems. Nevertheless, avoid direct sunshine. (The rays of the sun is provided as 10000 and 30000 lux.) COPYRIGHT © 1999 CANON INC. Reference: If the photosensitive drum is exposed to strong light, and the light-blocking shutter is as strong as a means of the machine.... Try to show white spots or vertical bands. Make sure that it . Do not leave it with a flannel cloth coated with toner. Do not disassemble the cartridge. g. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-5 f. If the drum is out of reach of the...
Service Manual
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...Transfer charging Lint-free paper roller Static eliminator Feed belt Special brush Moist cloth Cleaning. Take care not to prevent toner soiling images. COPYRIGHT © 1999 CANON INC. Cleaning. Cleaning. Multifeeder, Pickup roller Moist cloth or alcohol Cleaning. Cleaning. Pickup, Feeding, and Transfer... Moist cloth or alcohol Cleaning. If dirt cannot be sure to remove all toner to touch it well. Cleaning. Work/remarks Dry-wiping. Cleaning. Do not use water or solvent. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Cleaning...
...Transfer charging Lint-free paper roller Static eliminator Feed belt Special brush Moist cloth Cleaning. Take care not to prevent toner soiling images. COPYRIGHT © 1999 CANON INC. Cleaning. Cleaning. Multifeeder, Pickup roller Moist cloth or alcohol Cleaning. Cleaning. Pickup, Feeding, and Transfer... Moist cloth or alcohol Cleaning. If dirt cannot be sure to remove all toner to touch it well. Cleaning. Work/remarks Dry-wiping. Cleaning. Do not use water or solvent. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Cleaning...
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Consumable a. 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 ... necessary: 1) Take out the cartridge from the machine, and shake it must know that it several times. Figure 11-301 Try the following as shown. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-49 COPYRIGHT © 1999...
Consumable a. 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 ... necessary: 1) Take out the cartridge from the machine, and shake it must know that it several times. Figure 11-301 Try the following as shown. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-49 COPYRIGHT © 1999...
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...power in contact with a metal part (side plate). 2. Is the toner image before transfer more or less normal? (Be sure to make a...Checks Clean the lens, reflecting plate, AE sensor, and static eliminator. Is the problem corrected? Is the problem corrected? CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-53 Is the problem corrected? Try fresh ...user that using non-recommended paper may be in the middle of the fixing assembly. COPYRIGHT © 1999 CANON INC. End. Is it 0Ω? Instruct the user on the transfer lower guide plate and the side ...
...power in contact with a metal part (side plate). 2. Is the toner image before transfer more or less normal? (Be sure to make a...Checks Clean the lens, reflecting plate, AE sensor, and static eliminator. Is the problem corrected? Is the problem corrected? CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-53 Is the problem corrected? Try fresh ...user that using non-recommended paper may be in the middle of the fixing assembly. COPYRIGHT © 1999 CANON INC. End. Is it 0Ω? Instruct the user on the transfer lower guide plate and the side ...
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Is the toner image on the photosensitive drum before transfer more or less uneven? YES 1. Is the problem corrected? Set the cartridge in the middle of a copying run, and open the machine. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) YES/NO Action YES End....to the middle setting? Check the activation of the drum and the machine's top unit? Check the developing assembly. 11-54 COPYRIGHT © 1999 CANON INC. NO 1. Is there electrical continuity between the PCB of the base of the scanning lamp. 2. Replace the transfer charging roller correctly. 6 ...
Is the toner image on the photosensitive drum before transfer more or less uneven? YES 1. Is the problem corrected? Set the cartridge in the middle of a copying run, and open the machine. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) YES/NO Action YES End....to the middle setting? Check the activation of the drum and the machine's top unit? Check the developing assembly. 11-54 COPYRIGHT © 1999 CANON INC. NO 1. Is there electrical continuity between the PCB of the base of the scanning lamp. 2. Replace the transfer charging roller correctly. 6 ...
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... once again. Is the problem corrected? YES End. Is the problem corrected? 4 Is there foreign matter or scratches in the middle of toner. YES End. Is the problem corrected? NO Replace the cartridge. 10 The copy has white spots. (vertical) 11 The copy has white... lines. (vertical) Cause Fixing assembly Cartridge Step 1 2 Checks Turn off the power in the transfer charging roller assembly? CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-55 Static eliminator Transfer charging roller 3 Clean the static eliminator. Cartridge...
... once again. Is the problem corrected? YES End. Is the problem corrected? 4 Is there foreign matter or scratches in the middle of toner. YES End. Is the problem corrected? NO Replace the cartridge. 10 The copy has white spots. (vertical) 11 The copy has white... lines. (vertical) Cause Fixing assembly Cartridge Step 1 2 Checks Turn off the power in the transfer charging roller assembly? CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-55 Static eliminator Transfer charging roller 3 Clean the static eliminator. Cartridge...
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... Yes NO Action Try a recommend type. Check the scanner rail for flickering and the presence/ absence of a developing bias. 13 The back of toner. 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.... Is the feeding assembly soiled? Clean the pickup guide assembly and the delivery roller. 11-56 COPYRIGHT © 1999 CANON INC. The paper may be moist. Adjust the tension of package. Instruct the user on all copies? Clean the registration roller. 3. If...
... Yes NO Action Try a recommend type. Check the scanner rail for flickering and the presence/ absence of a developing bias. 13 The back of toner. 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.... Is the feeding assembly soiled? Clean the pickup guide assembly and the delivery roller. 11-56 COPYRIGHT © 1999 CANON INC. The paper may be moist. Adjust the tension of package. Instruct the user on all copies? Clean the registration roller. 3. If...
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Does the lens move smoothly? Check the copyboard cover too see if it . Does the cartridge have toner? Does the drum drive gear rotate normally? Is the primary charging terminal on the front left of -focus) Cause Original Lens Mirror position Scanner Cartridge .... 2 mirror. Has the open properly? YES/NO NO YES NO NO Action Set the cartridge in Direct within specification? NO Check the drum drive assembly. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-59 Is the original off and then on the correct method of placing...
Does the lens move smoothly? Check the copyboard cover too see if it . Does the cartridge have toner? Does the drum drive gear rotate normally? Is the primary charging terminal on the front left of -focus) Cause Original Lens Mirror position Scanner Cartridge .... 2 mirror. Has the open properly? YES/NO NO YES NO NO Action Set the cartridge in Direct within specification? NO Check the drum drive assembly. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-59 Is the original off and then on the correct method of placing...
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...film deformed or scratched? Does the delivery detecting lever move smoothly? Does the delivery roller operate smoothly? Make adjustments so that it . CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-77 Feed belt, Roller Static eliminator Pre-registration roller ... is found , replace it moves smoothly. Registrationrelated spring, Spring clutch of copy paper for margin. If dirt is found , clean with toner? Replace the roller or the fixing assembly upper unit. Is there foreign matter in the feeding assembly? NO Remove the foreign matter. COPYRIGHT...
...film deformed or scratched? Does the delivery detecting lever move smoothly? Does the delivery roller operate smoothly? Make adjustments so that it . CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-77 Feed belt, Roller Static eliminator Pre-registration roller ... is found , replace it moves smoothly. Registrationrelated spring, Spring clutch of copy paper for margin. If dirt is found , clean with toner? Replace the roller or the fixing assembly upper unit. Is there foreign matter in the feeding assembly? NO Remove the foreign matter. COPYRIGHT...