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IBM 4247

IBM 4247
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Table 4. MAP 0120: Attachment, Model A00 (continued)
Step Questions/Actions Yes No
3.
There are two serial loop-back connectors. One for
RS-232C (PN 08H7268) and one for RS-422A (PN
08H7259).
Do you have the serial loop-back connectors for
this printer?
Go to step 4 on page 39. Install a new serial attachment
card. See “Serial Attachment
Card - Model A00” on page 390.
For Model 003, see “Model 003
Attachment Cards: Serial,
Twinax, LAN, Coax” on
page 359.
-or-
Install a new logic board. See
“Logic Board - Model A00” on
page 370. For Model 003, see
“Logic Board - Model 003” on
page 366.
-or-
Install a new host cable.
Run T&D in Automatic Mode to
verify correct printer operation.
See “How To Run the Test and
Diagnostic (T&D) Programs” on
page 161 for Model A00. For
Model 003, see “How To Run
the Test and Diagnostic (T&D)
Programs” on page 201.
Chapter 1. Diagnosing Problems
38

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