Service Manual
Page 3
... and mechanical systems are related to the copier; Multifeeding (manual) - Copying speed (cpm) 8 10 10 12 COPYRIGHT © 1994 CANON INC. CHAPTER 5 "INSTALLATION" gives step-by-step instructions for quick response to functions and timing of the following respects: Model PC720 PC740 PC750 PC770 Singlefeeding (manual) - - CHAPTER 6 "MAINTENANCE AND SERVICING" contains tables of its operation...
... and mechanical systems are related to the copier; Multifeeding (manual) - Copying speed (cpm) 8 10 10 12 COPYRIGHT © 1994 CANON INC. CHAPTER 5 "INSTALLATION" gives step-by-step instructions for quick response to functions and timing of the following respects: Model PC720 PC740 PC750 PC770 Singlefeeding (manual) - - CHAPTER 6 "MAINTENANCE AND SERVICING" contains tables of its operation...
Service Manual
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..., green, brown); Uses a SURF fixing assembly. • The use of ozone; COPYRIGHT @ 1994 CANON INC. using overlay mode, copies may be used (manual). 6. CANON PC7201740/7501770 REV.0 AUG.1994 PRINTED IN JAPAN fMPRIME AU JAPAN) 1 - 1 Separate top unit. • The copier's top unit may be opened to business card may be given an extra...
..., green, brown); Uses a SURF fixing assembly. • The use of ozone; COPYRIGHT @ 1994 CANON INC. using overlay mode, copies may be used (manual). 6. CANON PC7201740/7501770 REV.0 AUG.1994 PRINTED IN JAPAN fMPRIME AU JAPAN) 1 - 1 Separate top unit. • The copier's top unit may be opened to business card may be given an extra...
Service Manual
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...is finished before the next one is left alone for about 5 min without further key operation, automatically turning off mechanism becomes activated if the copier is delivered. b. CANON PC72017407501770 REV.0 AUG.1994 PRINTED IN JAPAN (IMPRIME AU JAPON) 1 - 11 After copying operation is over, the auto power-off the ... the copy count you may set more than one transparency on the copy tray upright. When you press the Zoom key, you want to manually adjust the copy density, deselect AE, and operate the Copy Density Adjust lever. 4) Press the Default Ratio key or Zoom Mode key to...
...is finished before the next one is left alone for about 5 min without further key operation, automatically turning off mechanism becomes activated if the copier is delivered. b. CANON PC72017407501770 REV.0 AUG.1994 PRINTED IN JAPAN (IMPRIME AU JAPON) 1 - 11 After copying operation is over, the auto power-off the ... the copy count you may set more than one transparency on the copy tray upright. When you press the Zoom key, you want to manually adjust the copy density, deselect AE, and operate the Copy Density Adjust lever. 4) Press the Default Ratio key or Zoom Mode key to...
Service Manual
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Primary charging) (2. Development) Delivery 6. Transfer 5. COPYING PROCESS MI I. Image exposure) (7. CANON PC7201740R50M0 REV.O AUG.1994 PRINTEDIN JAPAN OMPRIME AU JAPONI 2 - 1 Outline The copier uses a direct charging/transfer system with each component block arranged as shown in Figure 2-101. /7 7/ 7/ 7/ 7/ +... eliminator Latent static Image Formation . Separation Registration : Flow of copy paper (Cassette/manual feed) : Rotation of photosensitive drum Figure 2-102 COPYRIGHT © t994 CANON INC. Drum cleaning (3. IMAGE FORMATION A. Fixing 4.
Primary charging) (2. Development) Delivery 6. Transfer 5. COPYING PROCESS MI I. Image exposure) (7. CANON PC7201740R50M0 REV.O AUG.1994 PRINTEDIN JAPAN OMPRIME AU JAPONI 2 - 1 Outline The copier uses a direct charging/transfer system with each component block arranged as shown in Figure 2-101. /7 7/ 7/ 7/ 7/ +... eliminator Latent static Image Formation . Separation Registration : Flow of copy paper (Cassette/manual feed) : Rotation of photosensitive drum Figure 2-102 COPYRIGHT © t994 CANON INC. Drum cleaning (3. IMAGE FORMATION A. Fixing 4.
Service Manual
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...Bias to Suit the Copy Density Setting The copier varies the DC bias control signal (DCBPWM) according to the settings shown below to vary the DC component voltage, thereby controlling the copy density. • setting of the density adjusting lever (manual control mode) • output of the...may be set to correct foggy images caused by changes in automatic mode. 3 - 26 COPYRIGHT @ 1994 CANON INC. The density correction switch (SW101) functions when the density is adjusted in manual mode or during automatic density adjustment mode. 0 .miera cts 'qA Figure 3-309 See Figures 3-310 through...
...Bias to Suit the Copy Density Setting The copier varies the DC bias control signal (DCBPWM) according to the settings shown below to vary the DC component voltage, thereby controlling the copy density. • setting of the density adjusting lever (manual control mode) • output of the...may be set to correct foggy images caused by changes in automatic mode. 3 - 26 COPYRIGHT @ 1994 CANON INC. The density correction switch (SW101) functions when the density is adjusted in manual mode or during automatic density adjustment mode. 0 .miera cts 'qA Figure 3-309 See Figures 3-310 through...
Service Manual
Page 91
... If the area around the thermal fuse exceeds 226°C and remains so for overheating. In multifeeder manual mode, if the detected temperature of the main thermistor (TH1) is 190°C or less for ...is retained only about 5 min or more after increasing the distance between sheets of the fixing heater: a. CANON PC720/740/7501770 REV.() AUG. 1994 PRINTED IN JAPAN piPoit AU JAPAN) 3 - 51 Thermistor (TH1,...thermistor (TH1, TH2); er. at the End of the Fixing Heater The rear end of the copier's fixing heater is stopped after it sends the fixing heater error signal (HTNG) to a press ...
... If the area around the thermal fuse exceeds 226°C and remains so for overheating. In multifeeder manual mode, if the detected temperature of the main thermistor (TH1) is 190°C or less for ...is retained only about 5 min or more after increasing the distance between sheets of the fixing heater: a. CANON PC720/740/7501770 REV.() AUG. 1994 PRINTED IN JAPAN piPoit AU JAPAN) 3 - 51 Thermistor (TH1,...thermistor (TH1, TH2); er. at the End of the Fixing Heater The rear end of the copier's fixing heater is stopped after it sends the fixing heater error signal (HTNG) to a press ...
Service Manual
Page 154
CANON PC720R401750/70 REV.O AUG.1994 PRINTEDIN JAPAN(IMPRIME AU JAPON) If you are installing a copier brought in from its grips. Cushioning material Cushioning material e Accessories C) Cassette Copy tray 0 Power cord C) User's Manual C) Copying Guide Warranty card 2 Remove the screw from a cold place, leave it alone unpacked for one hour or more until it...
CANON PC720R401750/70 REV.O AUG.1994 PRINTEDIN JAPAN(IMPRIME AU JAPON) If you are installing a copier brought in from its grips. Cushioning material Cushioning material e Accessories C) Cassette Copy tray 0 Power cord C) User's Manual C) Copying Guide Warranty card 2 Remove the screw from a cold place, leave it alone unpacked for one hour or more until it...