91x.xx (910.xx
‑
919.xx) Engine software service check
 
Diagnostics and troubleshooting
 
241
 
Step 1 
a
 
Turn the printer off, and remove the controller board shield. See
 
“Controller board shield removal” on page 392
.
 
b
 
Check the cable connections. See 
“Controller board removal” 
on page 393 
for proper disconnecting and connecting of 
cables from controller board.
 
 
Are all cable connections secure?
 
Step 1 
a
 
Remove the controller board shield. See 
“Controller board 
shield removal” on page 392
.
 
b
 
Check the cables on the controller board for proper 
connection.
 
 
Are the cables properly connected?
 
Step 2
 
Replace the controller board. See 
“Controller board removal” on 
page 393
.
 
 
Does the problem remain?
 
Contact the next 
level of support.
 
 
Step 3
 
Reconnect the cables, and then reset the printer.
 
 
Does the problem remain?
 
Contact the next 
level of support.
 
 
General engine software error.
 
 
See 
“91x.xx (910.xx
‑
919.xx) Engine 
software service check” on page 241
.