Service Manual
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... provides information needed to service the plain paper copiers FC200/PC400(120V model), FC220/PC420(120V model), and PC430(LGL model) in relation to their timing of operation. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) i It also explains the timing at...specifications, shows how to operate the copier, and explains how copies are formed. CHAPTER 6, "Fixing System," explains the principles used to fuse toner images to transfer media in view of the functions of electrical and mechanical units and in relation to their timing of operation used for the...
... provides information needed to service the plain paper copiers FC200/PC400(120V model), FC220/PC420(120V model), and PC430(LGL model) in relation to their timing of operation. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) i It also explains the timing at...specifications, shows how to operate the copier, and explains how copies are formed. CHAPTER 6, "Fixing System," explains the principles used to fuse toner images to transfer media in view of the functions of electrical and mechanical units and in relation to their timing of operation used for the...
Service Manual
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... need no more than replace the cartridge and perform simple cleaning to black toner, the user has a choice of several colors. A press on the pick-up tray. Compact and light. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-1... Cartridge type. Multifeeding (PC420/430/FC220). A stack of the copier (photosensitive drum, toner case, charging roller, developing assembly, and cleaning assembly) is compact...
... need no more than replace the cartridge and perform simple cleaning to black toner, the user has a choice of several colors. A press on the pick-up tray. Compact and light. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-1... Cartridge type. Multifeeding (PC420/430/FC220). A stack of the copier (photosensitive drum, toner case, charging roller, developing assembly, and cleaning assembly) is compact...
Service Manual
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... it back after putting its edges flush. 3) Press the Copy Start key. • ' ' goes OFF, and the remaining number of copies are made. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-11 Replacing the Cartridge 1. Figure 1-401E COPYRIGHT © 1998... out of delivery. 4) Close the top cover and delivery cover; CHAPTER 1 GENERAL DESCRIPTION C. E. If a stack of paper is in the direction of toner, copies tend to open /close button to show white lines or vertical white spots (Figure 1-401E). then, detach the paper from the delivery cover, and...
... it back after putting its edges flush. 3) Press the Copy Start key. • ' ' goes OFF, and the remaining number of copies are made. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-11 Replacing the Cartridge 1. Figure 1-401E COPYRIGHT © 1998... out of delivery. 4) Close the top cover and delivery cover; CHAPTER 1 GENERAL DESCRIPTION C. E. If a stack of paper is in the direction of toner, copies tend to open /close button to show white lines or vertical white spots (Figure 1-401E). then, detach the paper from the delivery cover, and...
Service Manual
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Figure 1-404E 5) Hold the cartridge with its Warning label facing the left, and insert it in the copier with any color cartridge the same way. COPYRIGHT © 1998 CANON INC. Note: You can replace the black toner cartridge with care until it straight out to the front; about 50 cm. CHAPTER 1 GENERAL DESCRIPTION 4) Detach the tip of the seal attached to the cartridge, and pull it butts against the rear. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-13 Figure 1-405E 6) Close the top cover, and return the copyboard to the center.
Figure 1-404E 5) Hold the cartridge with its Warning label facing the left, and insert it in the copier with any color cartridge the same way. COPYRIGHT © 1998 CANON INC. Note: You can replace the black toner cartridge with care until it straight out to the front; about 50 cm. CHAPTER 1 GENERAL DESCRIPTION 4) Detach the tip of the seal attached to the cartridge, and pull it butts against the rear. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-13 Figure 1-405E 6) Close the top cover, and return the copyboard to the center.
Service Manual
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... document exposure (-625 V) and non-exposure periods (-230 V) DC bias is switched to -230V to maintain the surface potential of toner on the photosensitive drum. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-3 Reference: Unless the document is being illuminated, the DC ... bias (-625 V/-230 V) and an AC bias are turned ON and OFF by the DC bias high output command (HVPHO). COPYRIGHT © 1998 CANON INC. Outline Figure 4-101C shows the circuit that controls the primary charging, and the circuit has the following functions: • Turns the DC bias ...
... document exposure (-625 V) and non-exposure periods (-230 V) DC bias is switched to -230V to maintain the surface potential of toner on the photosensitive drum. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-3 Reference: Unless the document is being illuminated, the DC ... bias (-625 V/-230 V) and an AC bias are turned ON and OFF by the DC bias high output command (HVPHO). COPYRIGHT © 1998 CANON INC. Outline Figure 4-101C shows the circuit that controls the primary charging, and the circuit has the following functions: • Turns the DC bias ...
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... by the user. Figure 4103D, on the following: • Setting made by different document densities in automatic density adjustment mode (AE). CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Controlling Developing Bias 1. Outline Both AC bias and DC bias are ...the DC component of the same developing bias as well. When the photosensitive drum is applied to change the developing bias between black toner and color toner. Figure 4-101D,102D shows the changes in the sensitivity of the developing bias caused by the density control dial/lever (manual ...
... by the user. Figure 4103D, on the following: • Setting made by different document densities in automatic density adjustment mode (AE). CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Controlling Developing Bias 1. Outline Both AC bias and DC bias are ...the DC component of the same developing bias as well. When the photosensitive drum is applied to change the developing bias between black toner and color toner. Figure 4-101D,102D shows the changes in the sensitivity of the developing bias caused by the density control dial/lever (manual ...
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... DC bias is equipped with a reversed polarity, thereby returning the toner to the transfer charging roller. Measurement mode Transfer (negative DC bias) Cleaning mode (positive DC bias) 4-10 COPYRIGHT © 1998 CANON INC. Outline Figure 4-101E shows the circuit that prevents adhesion of ...voltage (measurement mode). Based on the measured voltage, the microprocessor corrects the DC bias. Transfer Charging Control Circuit 1. CHPTER 4 IMAGE FORMATION SYSTEM E. CANON PC400/420/430,FC200/220 REV...
... DC bias is equipped with a reversed polarity, thereby returning the toner to the transfer charging roller. Measurement mode Transfer (negative DC bias) Cleaning mode (positive DC bias) 4-10 COPYRIGHT © 1998 CANON INC. Outline Figure 4-101E shows the circuit that prevents adhesion of ...voltage (measurement mode). Based on the measured voltage, the microprocessor corrects the DC bias. Transfer Charging Control Circuit 1. CHPTER 4 IMAGE FORMATION SYSTEM E. CANON PC400/420/430,FC200/220 REV...
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... contact. 2. Caution: 1. otherwise, the leaf spring used to apply developing biases to protect the drum from light. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-19 Photosensitive Drum 1. do not touch or clean... and open the drum shutter. 3) Clean the surface of 1500 lux (about 10000 and 30000 lux.) COPYRIGHT © 1998 CANON INC. Reference: The drum would recover to more or less its normal condition if left alone for making copies; Use a ...SYSTEM A. You must try to an intensity of the drum using a flannel cloth coated with toner.
... contact. 2. Caution: 1. otherwise, the leaf spring used to apply developing biases to protect the drum from light. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-19 Photosensitive Drum 1. do not touch or clean... and open the drum shutter. 3) Clean the surface of 1500 lux (about 10000 and 30000 lux.) COPYRIGHT © 1998 CANON INC. Reference: The drum would recover to more or less its normal condition if left alone for making copies; Use a ...SYSTEM A. You must try to an intensity of the drum using a flannel cloth coated with toner.
Service Manual
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...Avoid areas of high or low temperature/ humidity and areas where these factors tend to accumulate. Keep the cartridge in a protective box; otherwise, toner may become extremely hot. b. Avoid areas where dust, ammonium gas, or gases from organic solvents tend to change rapidly (for example, near air... the cartridge or hold the cartridge horizontally as shown in Figure 9-401B, and rotate it in both directions about 90° to light. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 9-3 Avoid areas subjected to run short, hold it in a different ...
...Avoid areas of high or low temperature/ humidity and areas where these factors tend to accumulate. Keep the cartridge in a protective box; otherwise, toner may become extremely hot. b. Avoid areas where dust, ammonium gas, or gases from organic solvents tend to change rapidly (for example, near air... the cartridge or hold the cartridge horizontally as shown in Figure 9-401B, and rotate it in both directions about 90° to light. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 9-3 Avoid areas subjected to run short, hold it in a different ...
Service Manual
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... ; g. The photosensitive drum is disposed of 1500 lux (about 10000 and 30000 lux.) COPYRIGHT © 1998 CANON INC. When the cartridge must be sure to put the cartridge in its normal condition if left alone for five...drum. However, you must try to avoid any used cartridge must be removed for work, be dealt with toner. Do not dry wipe it is outside the copier. Leave the copier alone for some time for the... impact; Caution: Do not subject any exposure. (The rays of children. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 9-5
... ; g. The photosensitive drum is disposed of 1500 lux (about 10000 and 30000 lux.) COPYRIGHT © 1998 CANON INC. When the cartridge must be sure to put the cartridge in its normal condition if left alone for five...drum. However, you must try to avoid any used cartridge must be removed for work, be dealt with toner. Do not dry wipe it is outside the copier. Leave the copier alone for some time for the... impact; Caution: Do not subject any exposure. (The rays of children. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 9-5
Service Manual
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...shutter Well-wrung moist cloth Be sure to Note Cartridge, Transfer charging roller Parts Tools/Solvents Remarks Photosensitive Toner drum As a rule, do not clean. particles of toner can soil the leading edge margin, causing jams. Pick-up roller assembly Parts Tools/Solvents Remarks Pick... Registration roller Well-wrung Cleaning moist cloth COPYRIGHT © 1998 CANON INC. Transfer Lint-free charging roller paper Cleaning Do not use the wire cleaner meant for conventional machines. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON...
...shutter Well-wrung moist cloth Be sure to Note Cartridge, Transfer charging roller Parts Tools/Solvents Remarks Photosensitive Toner drum As a rule, do not clean. particles of toner can soil the leading edge margin, causing jams. Pick-up roller assembly Parts Tools/Solvents Remarks Pick... Registration roller Well-wrung Cleaning moist cloth COPYRIGHT © 1998 CANON INC. Transfer Lint-free charging roller paper Cleaning Do not use the wire cleaner meant for conventional machines. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON...
Service Manual
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... the Copyboard Cover and Copyboard Glass for dirt. Checking the Copy Paper a. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) see if paper of a type recommended by Canon is found , clean it using mild detergent or alcohol; Checking the Lens Array... 3. If found , replace it with a moist cloth. 7. If dirt is used. Check to see Figure 10-301A. b. Try paper fresh out of toner; Figure 10-301A 10-12 COPYRIGHT © 1998 CANON INC. Check to run short of package. 8. if scratches are found , clean it using a cotton wad. 5.
... the Copyboard Cover and Copyboard Glass for dirt. Checking the Copy Paper a. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) see if paper of a type recommended by Canon is found , clean it using mild detergent or alcohol; Checking the Lens Array... 3. If found , replace it with a moist cloth. 7. If dirt is used. Check to see Figure 10-301A. b. Try paper fresh out of toner; Figure 10-301A 10-12 COPYRIGHT © 1998 CANON INC. Check to run short of package. 8. if scratches are found , clean it using a cotton wad. 5.
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... drum more or less normal before transfer? Replace the DC controller/ DC power supply PCB. COPYRIGHT © 1998 CANON INC. Troubleshooting by Image Fault 1. The copy is too light (dark areas as well). 3. Be sure to ... 1. The copy is too light (extremely light overall). then, open the top cover. NO YES YES NO 1. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-17 YES/NO Remedies YES End. Re-... the lens, reflecting plate, and intensity sensor. CHAPTER 10 TROUBLESHOOTING C. Is the toner image on the correct method of operation;
... drum more or less normal before transfer? Replace the DC controller/ DC power supply PCB. COPYRIGHT © 1998 CANON INC. Troubleshooting by Image Fault 1. The copy is too light (dark areas as well). 3. Be sure to ... 1. The copy is too light (extremely light overall). then, open the top cover. NO YES YES NO 1. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-17 YES/NO Remedies YES End. Re-... the lens, reflecting plate, and intensity sensor. CHAPTER 10 TROUBLESHOOTING C. Is the toner image on the correct method of operation;
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..., reflecting plate, and lens. YES/NO Remedies YES End. Cause Step Checks Scanner 1 Clean the scanning lamp, reflecting plate, and lens. Does the toner image on the photosensitive drum before transfer have uneven density? Replace the scanning lamp unit. The copy is properly attached in the middle of the... The copy has uneven density (lighter at front). 5. Is the problem corrected? 2 Is continuity present between photosensitive drum PCB and grounding spring? CHAPTER 10 TROUBLESHOOTING 4. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
..., reflecting plate, and lens. YES/NO Remedies YES End. Cause Step Checks Scanner 1 Clean the scanning lamp, reflecting plate, and lens. Does the toner image on the photosensitive drum before transfer have uneven density? Replace the scanning lamp unit. The copy is properly attached in the middle of the... The copy has uneven density (lighter at front). 5. Is the problem corrected? 2 Is continuity present between photosensitive drum PCB and grounding spring? CHAPTER 10 TROUBLESHOOTING 4. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
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The copy has dark lines (paper feed direction, thin). YES End. 2 Take out the cartridge, and put it back in the middle of toner. YES NO End. Replace the cartridge. 10. Cause Step Checks YES/NO Remedies Fixing assembly 1 Press the Copy Start key, and switch the ...user that the cartridge is foggy (paper feed direction). 8. Cartridge NO Replace the cartridge. Is the problem corrected? NO Check the fixing assembly. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-19 Is the problem corrected? The copy has white spots (paper feed...
The copy has dark lines (paper feed direction, thin). YES End. 2 Take out the cartridge, and put it back in the middle of toner. YES NO End. Replace the cartridge. 10. Cause Step Checks YES/NO Remedies Fixing assembly 1 Press the Copy Start key, and switch the ...user that the cartridge is foggy (paper feed direction). 8. Cartridge NO Replace the cartridge. Is the problem corrected? NO Check the fixing assembly. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-19 Is the problem corrected? The copy has white spots (paper feed...
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...cartridge for foreign matter. The copy has white spots (cross feed direction). Is the back of package. Clean the transfer charging assembly. 2. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Cause Copy paper Copyboard rail Scanning lamp, Developing bias Step Checks YES/... copy paper may be moist; NO Check the scanning lamp for flickering, and check the presence/absence of a type recommended by Canon? The back of toner. YES/NO Remedies NO Go to store it wrapped. 3 Is the problem noted at the same YES Check the copyboard rail position...
...cartridge for foreign matter. The copy has white spots (cross feed direction). Is the back of package. Clean the transfer charging assembly. 2. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Cause Copy paper Copyboard rail Scanning lamp, Developing bias Step Checks YES/... copy paper may be moist; NO Check the scanning lamp for flickering, and check the presence/absence of a type recommended by Canon? The back of toner. YES/NO Remedies NO Go to store it wrapped. 3 Is the problem noted at the same YES Check the copyboard rail position...
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...controller/ DC power supply PCB). 1. The copy is set in firm contact? COPYRIGHT © 1998 CANON INC. NO Remove the seal. 4 Set the cartridge in the copier. 2 Does the cartridge have toner? CHAPTER 10 TROUBLESHOOTING 21. NO Set the cartridge in the copier, and close the copier. NO ...the drum cover shutter open without fail? NO Make adjustments so that the shutter opens smoothly. 5 Is the drum drive gear rotating normally? CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-23 NO Check the drum drive assembly. 6 Are the primary...
...controller/ DC power supply PCB). 1. The copy is set in firm contact? COPYRIGHT © 1998 CANON INC. NO Remove the seal. 4 Set the cartridge in the copier. 2 Does the cartridge have toner? CHAPTER 10 TROUBLESHOOTING 21. NO Set the cartridge in the copier, and close the copier. NO ...the drum cover shutter open without fail? NO Make adjustments so that the shutter opens smoothly. 5 Is the drum drive gear rotating normally? CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-23 NO Check the drum drive assembly. 6 Are the primary...
Service Manual
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...or worn? advise the user on the correct method of storage. 3 Is the movement of storage. toner? Spring (for pick-up guide plate found under the spring of the pick- CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-31 smooth? 5 Is ...? YES Replace the copy paper; NO Check the position of the up control), Spring clutch (PC420/430/FC220) Step Checks YES/NO Remedies 1 Try copy paper of a type recommended by Canon. Static eliminator 4 Is the static eliminator soiled with YES Clean the static eliminator. Check the spring ...
...or worn? advise the user on the correct method of storage. 3 Is the movement of storage. toner? Spring (for pick-up guide plate found under the spring of the pick- CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-31 smooth? 5 Is ...? YES Replace the copy paper; NO Check the position of the up control), Spring clutch (PC420/430/FC220) Step Checks YES/NO Remedies 1 Try copy paper of a type recommended by Canon. Static eliminator 4 Is the static eliminator soiled with YES Clean the static eliminator. Check the spring ...
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YES Clean it so that the lever moves smoothly. Replace the delivery sensor PCB. 10-32 COPYRIGHT © 1998 CANON INC. Fixing/Delivery Assembly Cause Separation/Feeding assembly Fixing assembly inlet guide Delivery sensor lever Delivery roller assembly Delivery sensor PCB Step Checks... image and the document matched correctly? 2 Is the inlet guide soiled with foreign matter or toner? 3 Does the delivery sensor lever move smoothly? 4 Is the delivery sensor (Q801) PCB normal? CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) YES/NO Remedies NO ...
YES Clean it so that the lever moves smoothly. Replace the delivery sensor PCB. 10-32 COPYRIGHT © 1998 CANON INC. Fixing/Delivery Assembly Cause Separation/Feeding assembly Fixing assembly inlet guide Delivery sensor lever Delivery roller assembly Delivery sensor PCB Step Checks... image and the document matched correctly? 2 Is the inlet guide soiled with foreign matter or toner? 3 Does the delivery sensor lever move smoothly? 4 Is the delivery sensor (Q801) PCB normal? CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) YES/NO Remedies NO ...
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PC420/430/FC220) Step Checks YES/NO Remedies 1 Try copy paper of spring. 2. YES YES YES NO The paper may be moist; Clean it moving through the feeding assembly. Check the position of a type recommended by Canon. 4 Is the inlet guide soiled with foreign matter or toner? YES/NO Remedies YES ... the user on the correct method of the pickup guide plate. Check the fixing assembly. Is the paper wrinkled at the time? CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-33 YES Advise the user to use recommended paper. Or, is moving ...
PC420/430/FC220) Step Checks YES/NO Remedies 1 Try copy paper of spring. 2. YES YES YES NO The paper may be moist; Clean it moving through the feeding assembly. Check the position of a type recommended by Canon. 4 Is the inlet guide soiled with foreign matter or toner? YES/NO Remedies YES ... the user on the correct method of the pickup guide plate. Check the fixing assembly. Is the paper wrinkled at the time? CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-33 YES Advise the user to use recommended paper. Or, is moving ...