viii
Phaser 780 Color Printer
Print is mottled 59
Image mis-registered on paper 60
Color layer not correctly registered 60
Color representation not correct 61
Oil stain or gloss variation on print 61
Random spotting 62
Media jams and the paper path 63
Skewed image 63
Damaged prints 64
Inoperative lower tray feeder 65
Power problems 65
All front panel indicators remain off. The printer does not initialize
upon power-up 65
Front panel indications 66
Media tray indicates missing or empty when it is not 66
Macintosh printing problems 66
Image never prints 66
Image prints in black-and-white 66
Image is rotated 90 degrees 67
Windows printing problems 67
Image never prints 67
Blue color on the screen is printing too purple. 67
Printing from Windows 3.1 produces the message “Problem writing
device LPT1: Cancel or Retry”. 68
Workstation printing problems 68
Image never prints 68
Running built-in diagnostics 69
Adjustments
73
Printing test prints 73
Print service test prints 73
Printing the configuration page 73
Printing the demonstration pages 73
Print engine calibration 74
Adjusting for impulse banding 74
Cleaning and Maintenance
77
Service preventive maintenance procedure 77
Recommended tools 77
Cleaning 78
Resetting NVRAM
79
Содержание Phaser 780 Color
Страница 6: ......
Страница 10: ...x Phaser 780 Color Printer FRU List 137 Supplies and accessories 176 Test Prints 179 Wiring Diagrams 185 ...
Страница 32: ...18 Phaser 780 Color Printer ...
Страница 90: ...76 Phaser 780 Color Printer ...
Страница 94: ...80 Phaser 780 Color Printer ...
Страница 117: ...Service Guide 103 Removing the developer tie plate 780 5 82 Wire clamp Developer tie plate ...
Страница 120: ...106 Phaser 780 Color Printer Removing the carousel assembly 780 5 54 Rear bearing Carousel assembly Front bearing Screw ...
Страница 125: ...Service Guide 111 Removing the laser unit Laser unit Laser cover 780 5 47 ...
Страница 132: ...118 Phaser 780 Color Printer Removing the waste auger assembly Waste auger drive assembly Waste auger assembly 780 5 64 ...
Страница 143: ...Service Guide 129 Removing the lower exit assembly 780 5 68 Wiring harness Lower exit assembly ...
Страница 150: ...136 Phaser 780 Color Printer ...
Страница 152: ...138 Phaser 780 Color Printer Printer cabinet FRUs Z780 5 119 7a 11 6 5 3c 4 3a 2 1c 9 1c 1b 1b 1a 3b 7b 8 9 9 10 7c 12 ...
Страница 154: ...140 Phaser 780 Color Printer Paper feeder FRUs Z780 5 120 10 8 5 7 9b 9c 9d 9a 9e 4 3 2 10 1 6a 6b 7 6c 6d 6e 6f 6g ...
Страница 156: ...142 Phaser 780 Color Printer Multi purpose tray cover FRUs 780 5 121 3 1 4 2 5 ...
Страница 158: ...144 Phaser 780 Color Printer Multi purpose tray FRUs 1 4 2 3 7 6 5 8 9 780 5 122 11 12 13 10 ...
Страница 160: ...146 Phaser 780 Color Printer Paper feeder cover FRUs 780 5 123 1 2 3 ...
Страница 162: ...148 Phaser 780 Color Printer Paper feeder FRUs 1 2 3 5 4a 4b 6 7 780 5 124 ...
Страница 164: ...150 Phaser 780 Color Printer Imaging FRUs 1 2 3 4 5 6 7 780 5 125 ...
Страница 166: ...152 Phaser 780 Color Printer Developer FRUs 780 5 126 1 1 1 2 2 2 3 3 3 4 4 4 ...
Страница 168: ...154 Phaser 780 Color Printer Carousel FRUs 4c 4d 5 4b 4a 3 2 1 780 5 127 6 ...
Страница 170: ...156 Phaser 780 Color Printer Accumulator belt assembly FRUs 5 8d 2b 3 2a 1 6 7 8a 8b 8c 780 5 128 ...
Страница 172: ...158 Phaser 780 Color Printer Fuser assembly FRUs 1 2 3 780 5 129 4 ...
Страница 174: ...160 Phaser 780 Color Printer Paper exit FRUs 780 5 130 1 2 3 3 3 3 3 ...
Страница 176: ...162 Phaser 780 Color Printer Paper exit FRUs 780 5 131 1c 1c 1f 1b 1a 1a 1a 1a 1a 1a 1a 1a 1d 1e 1b 1e 1b 2 5 4 3 ...
Страница 178: ...164 Phaser 780 Color Printer Drive FRUs 780 5 132 1 2 3 4 6 5 9 8 7a 7d 7c 7c 7b ...
Страница 182: ...168 Phaser 780 Color Printer Electronics front FRUs 780 5 134 2 4 5 6 3 8 9 7 1 10 ...
Страница 184: ...170 Phaser 780 Color Printer Image processor FRUs 780 5 135 1 2 3 6 5 4 7 8 9 12 10 11 ...
Страница 186: ...172 Phaser 780 Color Printer Optional lower feeder cabinet FRUs 780 5 136 7 8 8 8 8 1 1 2 3 4 5 6 6 ...
Страница 198: ...184 Phaser 780 Color Printer ...
Страница 228: ...214 Phaser 780 Color Printer Wiring 14 LowerTray Assembly master wiring diagram 3041 59 BOARD 2 BOARD 1 BOARD 4 BOARD 3 ...
Страница 229: ...Service Guide 21 Wiring 15 Engine control board and low voltage power supply to LowerTray Assembly feeder board 3041 60 ...
Страница 231: ...Service Guide 21 Wiring 17 LowerTray Assembly feeder board to no paper sensors and low paper sensors 3041 62 ...
Страница 232: ...218 Phaser 780 Color Printer Wiring 18 LowerTray Assembly feeder board to feed solenoids and turn chutes 3041 63 ...
Страница 233: ...Service Guide 21 ...
Страница 234: ...220 Phaser 780 Color Printer ...