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Table 2. MAP 0120: Parallel, Serial, or USB Interface (continued)
Step
Questions/Actions
Is the failure with the serial attachment?
3.
Install the RS-232C loop-back connector (P/N 41U2467).
4.
Run T&D07 in Single Test Mode to test the serial attachment
circuits (see Running the test and diagnostic (T&D)
programs).
Did T&D07 run without errors?
Install the loop-back connector on the host end of the cable
5.
and run T&D07 (see Running the test and diagnostic (T&D)
programs). If there is a 25-pin D Shell on the cable, then use
P/N 08H7268 loop-back connector.
Did T&D07 run without errors?
Install the parallel loop-back connector (P/N 08H7269).
6.
Run T&D06 in Single Test Mode to test the parallel
attachment (see Running the test and diagnostic (T&D)
programs).
Did T&D06 run without errors?
Yes
Go to step 4.
Go to step 5.
No trouble found.
Run T&D in Automatic Mode
to verify correct printer
operation (see Running the
test and diagnostic (T&D)
programs).
Install a new host parallel
cable.
Run T&D in automatic mode
to verify correct printer
operation (see Running the
test and diagnostic (T&D)
programs).
No
No trouble found.
Run T&D in Automatic Mode
to verify correct printer
operation (see Running the
test and diagnostic (T&D)
programs).
Record the display message
and go to T&D error
messages and actions, and
perform the suggested action.
Install a new host cable.
Run T&D in Automatic Mode
to verify correct printer
operation (see Running the
test and diagnostic (T&D)
programs).
Record the display message
and go to T&D error
messages and actions, and
perform the suggested action.
Chapter 1. Diagnosing problems
37
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