Switch off the printer, the scanner, and the PC, and then disconnect them from
the power source prior to performing any maintenance.
HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual
1. Remove the Top Cover ⇒ Page 4-5.
2. Remove the Fluorescent Lamp Access
3. Press the metal tab to release the
4. Slide out the Fluorescent Lamp.
Removal and Installation