24
Phaser 780 Color Printer
Process
Motor Error
(Error 61)
There is a problem with the process
motor. the engine control board did not
receive a signal from the accumulator
belt home sensor signal in the specified
time.
1.
Test the process drive
assembly
2.
Test the +24 VDC at P/J
32-11 and frame ground.
3.
Test the accumulator belt
home sensor
4.
Replace the process motor.
5.
Replace the accumulator belt
assembly
6.
Replace the engine control
board
7.
Replace the imaging unit
Paper
Handling
Motor Error
(Error 62)
There is a problem with the paper feed
motor. The engine control board
received a failed signal from the paper
feed motor circuitry.
1.
Power cycle the printer
2.
Replace the paper feed
motor
3.
Replace the engine control
board
4.
Check for mechanical binding
in the paper feed drive gear
train
Imaging Unit
ID Error
(Error 69)
The engine control board detected a
used CRUM
1.
Reseat the imaging unit
2.
Power cycle the printer
3.
Replace the imaging unit
4.
Replace the engine control
board
Imaging Unit
ID Error
(Error 70)
There is a CRU Memory problem. The
engine control board detected that the
memory initial value of the installed
imaging unit is wrong.
1.
Reseat the imaging unit
2.
Power cycle the printer
3.
Replace the imaging unit
4.
Replace the engine control
board
Imaging Unit
ID Error
(Error 71)
An incompatible imaging unit is installed
in the printer. The engine control board
detected that the memory device in the
installed imaging unit is incompatible
with the printer.
1.
Power cycle the printer
2.
Reseat the imaging uni
3.
Switch the printer power off,
then on
4.
Replace the engine control
board
Imaging Unit
Count Error
(Error 72)
There is a CRU memory problem. The
engine control board could not read the
CRUM counter value.
1.
Power cycle the printer
2.
Replace the imaging unit with
a new cartridge
3.
Replace the engine control
board
Error code
and
message
Description
Corrective action
Summary of Contents for Phaser 780 Color
Page 6: ......
Page 32: ...18 Phaser 780 Color Printer ...
Page 90: ...76 Phaser 780 Color Printer ...
Page 94: ...80 Phaser 780 Color Printer ...
Page 117: ...Service Guide 103 Removing the developer tie plate 780 5 82 Wire clamp Developer tie plate ...
Page 125: ...Service Guide 111 Removing the laser unit Laser unit Laser cover 780 5 47 ...
Page 150: ...136 Phaser 780 Color Printer ...
Page 156: ...142 Phaser 780 Color Printer Multi purpose tray cover FRUs 780 5 121 3 1 4 2 5 ...
Page 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 ...
Page 160: ...146 Phaser 780 Color Printer Paper feeder cover FRUs 780 5 123 1 2 3 ...
Page 162: ...148 Phaser 780 Color Printer Paper feeder FRUs 1 2 3 5 4a 4b 6 7 780 5 124 ...
Page 164: ...150 Phaser 780 Color Printer Imaging FRUs 1 2 3 4 5 6 7 780 5 125 ...
Page 166: ...152 Phaser 780 Color Printer Developer FRUs 780 5 126 1 1 1 2 2 2 3 3 3 4 4 4 ...
Page 168: ...154 Phaser 780 Color Printer Carousel FRUs 4c 4d 5 4b 4a 3 2 1 780 5 127 6 ...
Page 172: ...158 Phaser 780 Color Printer Fuser assembly FRUs 1 2 3 780 5 129 4 ...
Page 174: ...160 Phaser 780 Color Printer Paper exit FRUs 780 5 130 1 2 3 3 3 3 3 ...
Page 178: ...164 Phaser 780 Color Printer Drive FRUs 780 5 132 1 2 3 4 6 5 9 8 7a 7d 7c 7c 7b ...
Page 182: ...168 Phaser 780 Color Printer Electronics front FRUs 780 5 134 2 4 5 6 3 8 9 7 1 10 ...
Page 184: ...170 Phaser 780 Color Printer Image processor FRUs 780 5 135 1 2 3 6 5 4 7 8 9 12 10 11 ...
Page 198: ...184 Phaser 780 Color Printer ...
Page 233: ...Service Guide 21 ...
Page 234: ...220 Phaser 780 Color Printer ...