HP C2021A, 5n C3952A, 5 C3916A, 5m C3917A, 4 plus C2037A manual 58 or 57.2 Service Fan Failure, T e

58 (or 57.2) SERVICE (Fan Failure)

The 58 SERVICE indicates that the DC Controller detected a failure in the Exhaust Fan (FM1) in the printer or the optional duplexer. When troubleshooting this problem, perform the following steps in the order given.

1 Check that the fan is mounted correctly in its shroud.

2 Check that the fan blades are not blocked.

3 Check that the Cooling Fan connector is firmly seated on the DC Controller (see Figure 7-16 or Figure 7-17 for location).

If the above checks are satisfactory, replace the fan.

N o t e	Verify the direction of air flow. Air should blow
	out of the printer.

7-34 Troubleshooting