Printer Maintenance Manual

6 – 10
Driver Board
CN2
20••••••••••••1
No Yes
Replace Driver board.
Replace Transformer assy.
Remedied?
No Yes
End
Replace Control/Power supply board.
Pin No. 20 19 18 17 16 15 14 13 10 9 8 7 6 5
Signal +8V
EP
+40V
AC EL
+5V
(F.G) 10V (0V)