Table 11. MAP 0150: Power supply (continued)
Questions/Actions
Yes
No
3.
a. Remove the rear cover (see Rear cover).
b. Remove the metal cover from the logic board and power
supply.
c. Disconnect the power supply fan from the power supply
board. Power Supply Pins and Connectors:
d. Disconnect the carriage motor fan from the power supply
board.
e. Disconnect the power supply fan from the power supply
board.
f. Disconnect the power supply cable to the logic board.
g. Plug the power cord to the printer, then to the power
source.
h. Turn on the printer.
i. Measure the power supply connector voltages.
Measure between a connector ground pin and the voltage
pins. See Reference table 7, power supply connector pins
and voltages for pins and voltages.
Are the voltage measurements OK?
Go to step 4.
Install a new power supply
(see Power supply).
Run T&D in automatic mode
to verify correct printer
operation (see Running the
test and diagnostic (T&D)
programs).
Chapter 1. Diagnosing problems
54
Summary of Contents for V03
Page 24: ...Reference table 8 ribbon lift and 26 pin cable connectors 93 Chapter 1 Diagnosing problems 24...
Page 138: ...Operator panel cable wiring Chapter 3 Wiring diagrams 138...
Page 144: ...Tractor assembly cable wiring Chapter 3 Wiring diagrams 144...
Page 164: ...Chapter 5 Removals service checks and adjustments 164...
Page 173: ...Table 24 Print quality sample 1 2 3 Chapter 5 Removals service checks and adjustments 173...
Page 246: ...Assemblies Chapter 6 Parts catalog 246...
Page 307: ...Taiwanese EMC Notices 307...
Page 310: ...Index Copyright IBM Corp 2002 310...
Page 311: ...IBMR Part Number 75P1301 Printed in U S A G544 5873 00 1P P N 75P1301...