IBM 4247 User Manual

Table 12. MAP 0160: Ribbon Feed and Ribbon Lift (continued)
Step Questions/Actions Yes No
9.
Remove the printhead. See “Printhead” on page 356.
Measure the resistance between the connector pins on
the printhead;
in “Reference Table 10, Ribbon Lift and 26–Pin Cable
Connectors” on page 158.
Is the resistance 5 ohms or less for all
measurements?
Put back the printhead.
Install a new logic board. For
Model A00, see “Logic Board -
Model A00” on page 370. For
Models 001 and 002, see “Logic
Board - Models 001 and 002” on
page 378. Or “Logic Board -
Model 003” on page 366.
-or-
Install new printhead cables.
Run T&D in automatic mode to
verify correct printer operation.
For Model A00, see “How To
Run the Test and Diagnostic
(T&D) Programs” on page 161.
For Models 001, 002, or 003,
see “How To Run the Test and
Diagnostic (T&D) Programs” on
page 201.
Install a new printhead. See
“Printhead” on page 356.
Run T&D in automatic mode to
verify correct printer operation.
For Model A00, see “How To
Run the Test and Diagnostic
(T&D) Programs” on page 161.
For Models 001, 002, or 003,
see “How To Run the Test and
Diagnostic (T&D) Programs” on
page 201.
Chapter 1. Diagnosing Problems
93

IBM 4247 Specifications

General

Brand	IBM
Model	4247
Category	Printer
Language	English