USB service check
Actions Yes No
Step 1
Is the USB cable properly connected to the printer and host PC?
Go to step 2. Properly connect the
cable at both ends.
Step 2
Try a dierent USB cable.
Does this fix the issue?
Issue fixed. Go to step 3.
Step 3
Connect a dierent device to the USB cable.
Did the host PC see the device?
Replace the
controller board. See
“Controller board
removal” on
page 357.
There is an issue
with the host
machine.
Control panel USB cable service check
Actions Yes No
Step 1
a Remove the controller board shield. See “Controller board
shield removal” on page 356.
b Check the USB cable on the JPFUSB1 connector on the
controller board for proper connection.
Is the cable properly connected?
Go to step 3. Go to step 2.
Step 2
Reconnect the cable.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Replace the cable.
Does the problem remain?
Go to step 4. The problem is
solved.
Step 4
Replace the controller board. See
“Controller board removal” on
page 357.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
5028
Diagnostic information
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