Service Manual
Page 3
... to time to reflect improvements rendered to the copier; INTRODUCTION This Service Manual contains the basic facts and figures about the plain paper copier PC720/740/750/770, and is discussed as to its operation are given. Multifeeding (manual) - Copying speed (cpm) 8 10 10 12 COPYRIGHT © 1994 CANON INC. a Service Information Bulletin will be thoroughly...
... to time to reflect improvements rendered to the copier; INTRODUCTION This Service Manual contains the basic facts and figures about the plain paper copier PC720/740/750/770, and is discussed as to its operation are given. Multifeeding (manual) - Copying speed (cpm) 8 10 10 12 COPYRIGHT © 1994 CANON INC. a Service Information Bulletin will be thoroughly...
Service Manual
Page 9
...01 ppm or less, maximum of a charging roller helps to business card may be used (manual). 6. Uses a SURF fixing assembly. • The use of 0.02 ppm or less...a color toner cartridge (red, blue, green, brown); Extra touches to 1/000 of ozone; COPYRIGHT @ 1994 CANON INC. Designed with zooming. • In addition to make jam removal easy. using overlay mode, copies may...maximum power consumption is 0.98 kW or less. 4. Separate top unit. • The copier's top unit may be given an extra finish. 7. Fixed copyboard with considerations for ease in maintenance work to...
...01 ppm or less, maximum of a charging roller helps to business card may be used (manual). 6. Uses a SURF fixing assembly. • The use of 0.02 ppm or less...a color toner cartridge (red, blue, green, brown); Extra touches to 1/000 of ozone; COPYRIGHT @ 1994 CANON INC. Designed with zooming. • In addition to make jam removal easy. using overlay mode, copies may...maximum power consumption is 0.98 kW or less. 4. Separate top unit. • The copier's top unit may be given an extra finish. 7. Fixed copyboard with considerations for ease in maintenance work to...
Service Manual
Page 19
...sure to remove each press: GENERAL DESCRIPTIONMN MAX. 141%-0- 100% 10- COPYRIGHT © 1994 CANON INC. Figure 1-403 2) Place an original on the copy tray upright. DIRECT MARGIN 86% ...off the power. 1.1 Using Transparencies (PC720/740) 1) Shift the delivery guide plate on the copyboard, and close the copyboard cover. 3) If you want to manually adjust the copy density, deselect AE,... lBm51"1.- After copying operation is over, the auto power-off mechanism becomes activated if the copier is left alone for about 5 min without further key operation, automatically turning off when the...
...sure to remove each press: GENERAL DESCRIPTIONMN MAX. 141%-0- 100% 10- COPYRIGHT © 1994 CANON INC. Figure 1-403 2) Place an original on the copy tray upright. DIRECT MARGIN 86% ...off the power. 1.1 Using Transparencies (PC720/740) 1) Shift the delivery guide plate on the copyboard, and close the copyboard cover. 3) If you want to manually adjust the copy density, deselect AE,... lBm51"1.- After copying operation is over, the auto power-off mechanism becomes activated if the copier is left alone for about 5 min without further key operation, automatically turning off when the...
Service Manual
Page 31
... REV.O AUG.1994 PRINTEDIN JAPAN OMPRIME AU JAPONI 2 - 1 Separation Registration : Flow of copy paper (Cassette/manual feed) : Rotation of photosensitive drum Figure 2-102 COPYRIGHT © t994 CANON INC. 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/ + /7 /7 Z Scanning lamp Copyboard glass Lens array Side...
... REV.O AUG.1994 PRINTEDIN JAPAN OMPRIME AU JAPONI 2 - 1 Separation Registration : Flow of copy paper (Cassette/manual feed) : Rotation of photosensitive drum Figure 2-102 COPYRIGHT © t994 CANON INC. 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/ + /7 /7 Z Scanning lamp Copyboard glass Lens array Side...
Service Manual
Page 66
... changes in the AE sensor output in the sensitivity of the three settings by changes in automatic mode. 3 - 26 COPYRIGHT @ 1994 CANON INC. CANON PC72017401750/770 REV.O AUG.19M PRINTEDIN JAPAN pout AU JAPON) MEIOPERATIONS AND TIMING ,,,,,w,:m.k- ;,.onw44.0.. 4. Controlling the Voltage Level of the DC...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...
... changes in the AE sensor output in the sensitivity of the three settings by changes in automatic mode. 3 - 26 COPYRIGHT @ 1994 CANON INC. CANON PC72017401750/770 REV.O AUG.19M PRINTEDIN JAPAN pout AU JAPON) MEIOPERATIONS AND TIMING ,,,,,w,:m.k- ;,.onw44.0.. 4. Controlling the Voltage Level of the DC...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...
Service Manual
Page 91
...control panel if the power switch is turned on the control panel next time the power is detected during copying operation, the copier once again will indicate `E000' through `E003' is indicated in the display of the control panel, disabling the Copy ... 011111111111M1,MII IM0PERATI0NS AND TIMING 5. In multifeeder manual mode, if the detected temperature of the fixing heater: a. COPYRIGHT 0 1994 CANON INC. CANON PC720/740/7501770 REV.() AUG. 1994 PRINTED IN JAPAN piPoit AU JAPAN) 3 - 51 er. Protection Mechanisms The copier is retained only about 1.5 after discharging the ...
...control panel if the power switch is turned on the control panel next time the power is detected during copying operation, the copier once again will indicate `E000' through `E003' is indicated in the display of the control panel, disabling the Copy ... 011111111111M1,MII IM0PERATI0NS AND TIMING 5. In multifeeder manual mode, if the detected temperature of the fixing heater: a. COPYRIGHT 0 1994 CANON INC. CANON PC720/740/7501770 REV.() AUG. 1994 PRINTED IN JAPAN piPoit AU JAPAN) 3 - 51 er. Protection Mechanisms The copier is retained only about 1.5 after discharging the ...
Service Manual
Page 154
... and Installing Step Work Checks/remarks 1 Take out the copier and accessories, To take out the copier, remove the cushioning materials and make sure none of the copier. Shipping attachment 5 - 2 COPYRIGHT © 1994 CANON INC. 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...
... and Installing Step Work Checks/remarks 1 Take out the copier and accessories, To take out the copier, remove the cushioning materials and make sure none of the copier. Shipping attachment 5 - 2 COPYRIGHT © 1994 CANON INC. 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...