DANGER
Primary power is present on the power supply when the power cable is connected, even when the
power switch is set to O (Off).
Table 11. MAP 0150: Power Supply
Questions/Actions
Yes
No
1. Power off (O) the printer.
Unplug the power cord from the voltage source.
Verify that the power source voltage is correct.
Power
Min Normal Max Frequency ±3 Hz
Source
Low
90
120
137
50/60 Hz
High
180
220
264
50/60 Hz
Is the voltage correct?
Go to step 2.
Have the customer repair the voltage
problem.
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.
2. Disconnect the power cord from the printer.
Check the power cord continuity.
Is there continuity?
Go to step 3 on page 77.
Install a new power cord.
Chapter 1. Diagnosing Problems
76
Summary of Contents for 4247
Page 1: ...4247 Printers Maintenance Information Document Number SA24 4400 05 Part Number 27P8450 IBM ...
Page 241: ...e90apc15 Figure 24 Main Input Power Supply Ground Chapter 3 Circuit Diagrams 241 ...
Page 257: ...Figure 32 Stacker Motor Wiring Chapter 3 Circuit Diagrams 257 ...
Page 261: ...Stacker Cable Wiring Figure 36 Tractor Assembly Cable Wiring Chapter 3 Circuit Diagrams 261 ...