HP 400 - Manual (Page 82)

Problem Resolution 5-19
Cable
fully seated on the
printer and host
connectors?
Retest passes?
Connect the printer to a
different host or
connect a different
printer to the same
host. Retest.
Reseat the cable on the
printer and host interface
connectors. Make sure the
cable is firmly and fully
seated on the printer and
computer interface
connectors. Retest.
A
No
Yes
Yes
No
The problem is not a
printer hardware
problem. Check the
configuration of the
printer and the host.
If using a different interface
cable from the one included
with the printer, verify the
cable is a Centronics Interface
cable and that the cable fully
seats on the printer interface
connector.
End
If using the interface cable
included with the printer,
check the cable for
continuity.
Cable OK?
May be a printer
interface circuitry
problem. Return
the printer for
repair.
Obtain a new and
correct interface
cable. Retest.
No
Yes
Verify that the interface
cable used is a Centronics
Interface cable and that the
cable fully seats on the
printer interface connector.
Check the interface
cable for continuity.