IBM 4247 Maintenance Information page 79

Table 11. MAP 0150: Power Supply (continued)
Questions/Actions
6. a. Power off (O) the printer.
b. Connect the carriage motor fan to the power
supply board.
c. Power on (|) the printer.
Does the power supply fan run?
Yes
Power off (O) the printer and
install a new operator panel
assembly. See "Operator Panel"
on page 355 - or - Install a new
EMI filter assembly (used only
with Model A00 early-level logic
board). See "EMI Filter (Model
A00 Early-Level Logic Board
Only)" on page 377 - or - 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 a new
operator panel cable assembly.
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.
No
Power off (O) the printer.
Install a new carriage motor fan.
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
79