Print Quality Troubleshooting Tool for HP Color LaserJet 3600

Figure 1: Open front door

Figure 2: Transfer unit

Figure 3: Closed shutter

Figure 4: Open shutter

1. Pull down the front door.

CAUTION: Do not place anything on the transfer unit, and do not touch the transfer unit while it is open. If the transfer unit is punctured, print quality problems could result.

2. Check whether the cartridge shutters are closing as you are pulling down the front door.

Figure 5: Close front door

3. Push the front door back to up-position.

4. Check whether the cartridge shutters are opening as you are pulling back the front door.