IBM 4247 Maintenance Information page 48

Table 6. MAP 0121: Attachment, Models 001, 002, or 003 (continued)
Step Questions/Actions
Models 001, 002:
14.
Follow "Attachment Card Procedure 2" on page 56, and
return here.
Do the logic board microcode modules match the host
connect feature?
Models 001, 002:
15.
Are both U54 and U2 modules correctly oriented?
Are you here due to a '028' display message? The
16.
problem can be intermittent or solid. The printer can be
Ready, but will not print.
Install a coax attenuator (P/N 80F9513) on the connector on
17.
the back of the printer between the printer and the coax
cable.
Is the problem corrected?
Yes
Go to step 15.
Go to step 16.
Go to step 17.
Run T&D in Automatic
Mode to verify correct
printer operation. See
"How To Run the Test
and Diagnostic (T&D)
Programs" on page 201.
No
Repair as needed. Run T&D in
Automatic Mode to verify correct
printer operation. See "How To Run
the Test and Diagnostic (T&D)
Programs" on page 201.
Repair as needed. Run T&D in
Automatic Mode to verify correct
printer operation. See "How To Run
the Test and Diagnostic (T&D)
Programs" on page 201.
Go to step 18 on page 49.
Go to step 18 on page 49.
Chapter 1. Diagnosing Problems
48