Technical data

4.3 Fuser Fan

Description: A fuser fan failure can cause a number of suspicious indications:

the printer might seem abnormally hot; the 1003 fuser too hot error code might

be displayed; or you might notice that the fuser fan turns too slow.

When the printer is at standby, the fuser fan runs at the slow speed. When

printing starts, the fan accelerates to a higher speed.

Troubleshooting: Test the fan by entering the 1701 test code 1010. When

you press , the fan will accelerate. Do the following if the fan fails to turn,

turns slowly, or fails to accelerate:

1. If the fan runs but fails to accelerate, replace the DC control board.

2. Manually turn the fan. Replace the fan if it fails to turn freely or sticks

and binds.

3. Check the following cables and connectors:

• 32-pin cable that connects to P30 of the DC control board and to the

control panel.

• 2-pin plug that connects the fan to the control panel.

4. Swap the following:

• Fuser fan

• DC control board

• Control panel

Start FIP and Nonerror Code FIPs 4–5