User Guide

5 Release the two retaining tabs one at a time (callout 4) and pull the fan out of the duct bracket by

rocking it from side to side until it comes free.

Figure 6-72 Cooling fan (HP LaserJet 4250/4300/4350 series only; 2 of 2)

Reinstallation tip When you reinstall the fan, the air must flow into the printer. Verify that

the airflow arrows that are embossed on the fan body point into the printer. Verify that each

harness connector on the dc controller PCA is fully seated. These connectors can become

partially unplugged when the harnesses are unwoven from the guide on the fan duct.

250 6 Removing and replacing parts