62
Phaser 780 Color Printer
Random spotting
There are spots of toner randomly
scattered across the page.
1.
Slide the paper feeder out of
the printer and inspect the
top of the registration chute
assembly. Is the top of the
registration chute assembly
free of toner? If not, remove
and inspect the waste toner
cartridge. Make sure the
cartridge is not damaged or
leaking.
2.
Remove and inspect the
imaging unit. Is the exterior of
the imaging unit clean and
with no obvious toner
leakage? If not, remove and
inspect the waste toner
cartridge. Make sure the
cartridge is not damaged or
leaking.
3.
Turn the carousel frame and inspect the four developer assemblies. Does
each developer assembly appear clean, without any obvious toner on the
exterior of the assembly or falling from the magnetic brush? Clean the
dirty developer assembly. If the problem reoccurs, replace the faulty
developer assembly.
4.
Inspect the fuser. Is the fuser free of toner? Clean the fuser, if necessary.
5.
Remove and inspect the accumulator belt cleaner assembly. Is the
accumulator belt cleaner assembly clean and with no obvious toner
leakage? If not clean or replace the accumulator belt cleaner assembly, if
necessary.
6.
With the accumulator belt cleaner assembly removed, inspect the
accumulator belt cleaner end of the auger. Is the auger clogged? Clean the
printer interior.
7.
Remove the rear cover. With the accumulator belt cleaner assembly
removed, watch the auger drive gear as you manually rotate the paper
feed motor. Does the fuser drive assembly rotate the auger drive gear? If
not, replace the fuser drive assembly.
8.
As you manually rotate the paper feed motor place your finger inside the
auger opening and feel the movement of the auger spring. Does the auger
spring rotate when you manually rotate the paper feed motor? If not,
replace the auger assembly.
9.
Replace the imaging unit.
3041-58
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 ...