IBM 4247 Maintenance Information page 80

Table 11. MAP 0150: Power Supply (continued)
Questions/Actions
7. a. Power off (O) the printer.
b. Remove the attachment card.
v For Model A00, see "Serial Attachment Card -
Model A00" on page 390.
v For Models 001, and 002, see "Coax
Attachment Card - Models 001, and 002" on
page 392. Or, for the twinax attachment, see
"Twinax Attachment Card - Models 001, and
002" on page 396.
v For Model 003, see "Model 003 Attachment
Cards: Serial, Twinax, LAN, Coax" on
page 359.
c. Disconnect all connectors from the logic board
except the power supply connector.
d. Remove all tractor assemblies.
e. If installed, remove the stacker and ASF
assembly.
f. Power on (|) the printer.
Does the power supply fan run OK?
Yes
Go to step 8 on page 81.
No
Power off (O) the printer.
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.
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
80