Service Manual
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...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 . 4. multifeeder type). 7. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN...; All-in 1% increments. 2. FEATURES 1. Ecology-Conscious • The use of paper may be opened to 1/1000 compared with existing Canon machines). 3. SURF Fixing Assembly • The wait time is possible with a Zoom Function and a Fixed Copyboard • You can choose...
...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 . 4. multifeeder type). 7. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN...; All-in 1% increments. 2. FEATURES 1. Ecology-Conscious • The use of paper may be opened to 1/1000 compared with existing Canon machines). 3. SURF Fixing Assembly • The wait time is possible with a Zoom Function and a Fixed Copyboard • You can choose...
Service Manual
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... 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 ©...
... 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 ©...
Service Manual
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about 5min; 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 reference only) Standby: -(sound power level by ISO) Copying: (sound power .... CHAPTER 1 GENERAL DESCRIPTION 4. reference only) Copying: 0.4kWh (approx.; Table 1-204 *1. 250-sheet cassette type *2. 500-sheet cassette type COPYRIGHT © 1999 CANON INC. Others Item Operating condition Temperature Humidity Atmospheric pressure Power source Descriptions 7.5°C to 32.5°C/44.5°F to 90.5°F 5% to 85% RH 607...
about 5min; 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 reference only) Standby: -(sound power level by ISO) Copying: (sound power .... CHAPTER 1 GENERAL DESCRIPTION 4. reference only) Copying: 0.4kWh (approx.; Table 1-204 *1. 250-sheet cassette type *2. 500-sheet cassette type COPYRIGHT © 1999 CANON INC. Others Item Operating condition Temperature Humidity Atmospheric pressure Power source Descriptions 7.5°C to 32.5°C/44.5°F to 90.5°F 5% to 85% RH 607...
Service Manual
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... the period in the environment. Switching the Polarity of the Transfer Bias (cleaning bias) The machine uses a direct charging method, allowing toner to move from the roller to the transfer roller. (See Table 4-103.) Copy Start key ON STBY INTR SCFW SCRV SCFW SCRV ...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) The microprocessor (Q900) on the composite power supply PCB causes the transfer positive DC...
... the period in the environment. Switching the Polarity of the Transfer Bias (cleaning bias) The machine uses a direct charging method, allowing toner to move from the roller to the transfer roller. (See Table 4-103.) Copy Start key ON STBY INTR SCFW SCRV SCFW SCRV ...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) The microprocessor (Q900) on the composite power supply PCB causes the transfer positive DC...
Service Manual
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...while copies are being made. Reference : Developing DC bias : -80 ~ -550V Developing AC bias : 1200Vpp ± 10% COPYRIGHT © 1999 CANON INC. CHAPTER 4 IMAGE FORMATION SYSTEM E. Controlling the Developing/Separation Static Eliminator Bias 1. Outline The circuit shown in Figure 4-107 is applied to the developing... the developing DC bias • Turning on and off the static eliminator bias) • Controlling the voltage level of excess toner on and off the AC bias (turning on the photosensitive drum. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-11
...while copies are being made. Reference : Developing DC bias : -80 ~ -550V Developing AC bias : 1200Vpp ± 10% COPYRIGHT © 1999 CANON INC. CHAPTER 4 IMAGE FORMATION SYSTEM E. Controlling the Developing/Separation Static Eliminator Bias 1. Outline The circuit shown in Figure 4-107 is applied to the developing... the developing DC bias • Turning on and off the static eliminator bias) • Controlling the voltage level of excess toner on and off the AC bias (turning on the photosensitive drum. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-11
Service Manual
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... during auto density correction and how the density adjusting lever is selected. 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 ... correction of foggy images or light images caused as follows in reference to the scanning lamp Toner save mode or photo mode is set during manual density adjustment. 4-14 COPYRIGHT © 1999 CANON INC. Controlling the Voltage Level of the Developing DC Bias The DC bias control signal ...
... during auto density correction and how the density adjusting lever is selected. 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 ... correction of foggy images or light images caused as follows in reference to the scanning lamp Toner save mode or photo mode is set during manual density adjustment. 4-14 COPYRIGHT © 1999 CANON INC. Controlling the Voltage Level of the Developing DC Bias The DC bias control signal ...
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... 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 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-21 Operations...
... 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 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-21 Operations...
Service Manual
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... which it rotates when making copies. Be sure to rotate the drum, be affected. Do not use a flannel cloth. If you need to work briskly. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) If you must clean it to 30000 lux. 4-24 COPYRIGHT © 1999... CANON INC. Cleaning the Drum Caution: As a rule, do not touch or clean the photosensitive drum. 1) Open the machine's top unit, and take out the cartridge. 2) ...
... which it rotates when making copies. Be sure to rotate the drum, be affected. Do not use a flannel cloth. If you need to work briskly. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) If you must clean it to 30000 lux. 4-24 COPYRIGHT © 1999... CANON INC. Cleaning the Drum Caution: As a rule, do not touch or clean the photosensitive drum. 1) Open the machine's top unit, and take out the cartridge. 2) ...
Service Manual
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Outline 6-1 B. DISASSEMBLY/ASSEMBLY ..... 6-10 A. OPERATIONS 6-1 A. 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. Fixing Assembly 6-11 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) I. It also shows how these units may be disassembled/assembled and adjusted.
Outline 6-1 B. DISASSEMBLY/ASSEMBLY ..... 6-10 A. OPERATIONS 6-1 A. 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. Fixing Assembly 6-11 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) I. It also shows how these units may be disassembled/assembled and adjusted.
Service Manual
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... exercise care when storing or handling it. (Be sure that the cartridge is inside a protective box.) b. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-3 d. The cartridge also holds toner, requiring the user to the direct rays of the sun, i.e., near an air conditioner). c.
... exercise care when storing or handling it. (Be sure that the cartridge is inside a protective box.) b. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-3 d. The cartridge also holds toner, requiring the user to the direct rays of the sun, i.e., near an air conditioner). c.
Service Manual
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...not place the cartridge on its end or turn it over as shown in a different way, the toner can spill out of toner, hold the cartridge level and shake it in Figure 10-402. If you shake it about 90°...; several times as when it starts to even out the toner inside. Figure 10-401 b. CHAPTER 10 MAINTENANCE AND SERVICING 2. Before setting the cartridge in the machine or if... assembly or the cleaning assembly. Figure 10-402 10-4 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
...not place the cartridge on its end or turn it over as shown in a different way, the toner can spill out of toner, hold the cartridge level and shake it in Figure 10-402. If you shake it about 90°...; several times as when it starts to even out the toner inside. Figure 10-401 b. CHAPTER 10 MAINTENANCE AND SERVICING 2. Before setting the cartridge in the machine or if... assembly or the cleaning assembly. Figure 10-402 10-4 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Service Manual
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... put it in a protective box or put a cover over it will not cause practical problems. Nevertheless, avoid direct sunshine. (The rays of protection. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-5 Try leaving the machine alone as long as a means of the sun .... Make sure that it . Keep the following in a dark place for 5 min, it should recover so that it with a flannel cloth coated with toner. The photosensitive drum is noted; f. Do not clean it outside the machine unprotected. Do not subject the cartridge to work briskly when removing a jam or...
... put it in a protective box or put a cover over it will not cause practical problems. Nevertheless, avoid direct sunshine. (The rays of protection. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-5 Try leaving the machine alone as long as a means of the sun .... Make sure that it . Keep the following in a dark place for 5 min, it should recover so that it with a flannel cloth coated with toner. The photosensitive drum is noted; f. Do not clean it outside the machine unprotected. Do not subject the cartridge to work briskly when removing a jam or...
Service Manual
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... brush Moist cloth Cleaning. Cleaning. If dirt cannot be sure to remove all toner to touch it well. Cleaning. Take care not to prevent toner soiling images. COPYRIGHT © 1999 CANON INC. Cleaning. 11-4 Cartridge Item Drum cover shutter Tools/solvents Most cloth Work... Tools/solvent Alcohol Alcohol Blower brush Lint-free paper Blower brush Work/remarks Cleaning. Cleaning. Cleaning. Do not use water or solvent. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Dry wiping. ADF Item Tool/solvent Feeding belt Cloth moistened with...
... brush Moist cloth Cleaning. Cleaning. If dirt cannot be sure to remove all toner to touch it well. Cleaning. Take care not to prevent toner soiling images. COPYRIGHT © 1999 CANON INC. Cleaning. 11-4 Cartridge Item Drum cover shutter Tools/solvents Most cloth Work... Tools/solvent Alcohol Alcohol Blower brush Lint-free paper Blower brush Work/remarks Cleaning. Cleaning. Cleaning. Do not use water or solvent. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Dry wiping. ADF Item Tool/solvent Feeding belt Cloth moistened with...
Service Manual
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COPYRIGHT © 1999 CANON INC. Figure 11-302 2) Set the cartridge back into the machine, and make copies. • If the copies are normal, You may continue to have ... shake it must know that it several times. Figure 11-301 Try the following as shown. 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...
COPYRIGHT © 1999 CANON INC. Figure 11-302 2) Set the cartridge back into the machine, and make copies. • If the copies are normal, You may continue to have ... shake it must know that it several times. Figure 11-301 Try the following as shown. 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...
Service Manual
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Is the toner image before transfer more or less normal? (Be sure to make a check in a short time to step...plate (metal) of the fixing assembly. Check the transfer high-voltage terminal contacts for electrical continuity. 2. COPYRIGHT © 1999 CANON INC. Mount the transfer charging roller correctly. 2. Check to find out if the transfer lower guide happens to be moist. ... the user that using non-recommended paper may be in the middle of storage. 2. End. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-53 Is the problem corrected?
Is the toner image before transfer more or less normal? (Be sure to make a check in a short time to step...plate (metal) of the fixing assembly. Check the transfer high-voltage terminal contacts for electrical continuity. 2. COPYRIGHT © 1999 CANON INC. Mount the transfer charging roller correctly. 2. Check to find out if the transfer lower guide happens to be moist. ... the user that using non-recommended paper may be in the middle of storage. 2. End. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-53 Is the problem corrected?
Service Manual
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...setting, and make a copy. Check the activation of the drum and the machine's top unit? Check the developing assembly. 11-54 COPYRIGHT © 1999 CANON INC. Replace the scanning lamp. Clean the scanning lamp, reflecting plate, lens, and mirror. Is the problem corrected? YES 1. YES/NO NO YES ...NO YES Action Set the switch or the lever to step 2). End. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Is the toner image on the photosensitive drum before transfer more or less uneven? YES/NO Action YES End. NO 1. Replace...
...setting, and make a copy. Check the activation of the drum and the machine's top unit? Check the developing assembly. 11-54 COPYRIGHT © 1999 CANON INC. Replace the scanning lamp. Clean the scanning lamp, reflecting plate, lens, and mirror. Is the problem corrected? YES 1. YES/NO NO YES ...NO YES Action Set the switch or the lever to step 2). End. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Is the toner image on the photosensitive drum before transfer more or less uneven? YES/NO Action YES End. NO 1. Replace...
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..., reflecting plate, lens, and mirror. YES End. Cartridge YES/NO Action YES Check the fixing assembly. Shake the cartridge several times. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-55 YES End. Static eliminator Transfer charging roller 3 Clean ...transfer charging roller. NO Replace the cartridge. Is the problem corrected? 4 Is there foreign matter or scratches in the middle of toner. COPYRIGHT © 1999 CANON INC. CHAPTER 11 TROUBLESHOOTING 7 The copy is running out of a copying run, and open the machine's top unit. Is ...
..., reflecting plate, lens, and mirror. YES End. Cartridge YES/NO Action YES Check the fixing assembly. Shake the cartridge several times. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-55 YES End. Static eliminator Transfer charging roller 3 Clean ...transfer charging roller. NO Replace the cartridge. Is the problem corrected? 4 Is there foreign matter or scratches in the middle of toner. COPYRIGHT © 1999 CANON INC. CHAPTER 11 TROUBLESHOOTING 7 The copy is running out of a copying run, and open the machine's top unit. Is ...
Service Manual
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...fresh out of the paper soiled? Scanning lamp, Developing bias YES/NO YES YES Yes NO Action Try a recommend type. Adjust the tension of toner. Scanner rail 3 Is the problem noted at the same position on the correct method of the copy is moving through the feeding assembly. The...soiled? Is the transfer guide assembly soiled? Check the varistor. 4. 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) If the results are good, ask the user to step 3. 1. Clean the...
...fresh out of the paper soiled? Scanning lamp, Developing bias YES/NO YES YES Yes NO Action Try a recommend type. Adjust the tension of toner. Scanner rail 3 Is the problem noted at the same position on the correct method of the copy is moving through the feeding assembly. The...soiled? Is the transfer guide assembly soiled? Check the varistor. 4. 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) If the results are good, ask the user to step 3. 1. Clean the...
Service Manual
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.... Remove the opening seal. NO 1. Turn off the copyboard glass? Is the horizontal ratio in the machine? Does the cartridge have toner? Replace the cartridge COPYRIGHT © 1999 CANON INC. Check the copyboard cover too see if it . Does the lens move smoothly? YES Check the highvoltage transformer (composite power supply... 11 TROUBLESHOOTING 20 The copy has poor sharpness. (out-of the cartridge in firm contact with the high-voltage terminal at the machine's bottom? CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-59
.... Remove the opening seal. NO 1. Turn off the copyboard glass? Is the horizontal ratio in the machine? Does the cartridge have toner? Replace the cartridge COPYRIGHT © 1999 CANON INC. Check the copyboard cover too see if it . Does the lens move smoothly? YES Check the highvoltage transformer (composite power supply... 11 TROUBLESHOOTING 20 The copy has poor sharpness. (out-of the cartridge in firm contact with the high-voltage terminal at the machine's bottom? CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-59
Service Manual
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...2. Is the fixing lower roller or the fixing film deformed or scratched? YES/NO YES YES NO NO Action Clean the guide with toner or the like? 6 Does the pre-registration roller paper sensor operate normally? 7 Is the registration roller worn, deformed, or soiled...detecting lever move smoothly? CHAPTER 11 TROUBLESHOOTING 2 Separation/Feeding Assembly Cause Copy paper Feeding assembly Step 1 2 3 Checks Try paper recommended by Canon. Is the problem corrected? Feed belt, Roller Static eliminator Pre-registration roller paper sensor (Q751) Registration roller 4 Is the feed belt ...
...2. Is the fixing lower roller or the fixing film deformed or scratched? YES/NO YES YES NO NO Action Clean the guide with toner or the like? 6 Does the pre-registration roller paper sensor operate normally? 7 Is the registration roller worn, deformed, or soiled...detecting lever move smoothly? CHAPTER 11 TROUBLESHOOTING 2 Separation/Feeding Assembly Cause Copy paper Feeding assembly Step 1 2 3 Checks Try paper recommended by Canon. Is the problem corrected? Feed belt, Roller Static eliminator Pre-registration roller paper sensor (Q751) Registration roller 4 Is the feed belt ...