Front panel
I/O Board 4
Figure 1-3 Circuit boards of the print engine (right front view)
Ten circuit boards support the printer's electronics. Three boards, called
I/O boards support the front panel, solenoids and sensors. I/O board 4 is
contained inside the paper preheater. The main board contains the printer's
CPU processor, RAM and ROM.
Power
control board
Transfix solenoid/
sensor bracket
I/O Board
right
Service Manual
1
General Information
Power supply
9923-94
1-5