![BIO RAD PharosFX 170-7890 Hardware Instruction Manual Download Page 36](http://html1.mh-extra.com/html/bio-rad/pharosfx-170-7890/pharosfx-170-7890_hardware-instruction-manual_2753203036.webp)
2. Turn off the eraser.
3. Wait five minutes for the bulbs to cool.
4. Unplug the power cable.
5. Open the four hex screws on the front of the eraser, using the hex tool stored on the
rear panel of the unit.
6. Remove the white plastic filter.
7. Remove the foam on both sides and replace the defective bulb.
8. Reassemble by reversing steps 4 to 7.
Step 6.
Step 7a
Step 7b
Fig. 5. Screen Eraser bulb replacement steps.
Caution: Use only 15 W bulbs. Higher wattage bulbs can damage the imaging screens
and weaker bulbs will not erase the screens effectively.
32
!