HP LaserJet M1522 Multifunction Printer series - Manual (Page 172)

CAUTION: Do not use paper-based wipes because they might scratch the backing.
5. If this does not clean the backing well enough, repeat the previous steps and use isopropyl alcohol
to dampen the cloth or sponge, and then wipe the backing thoroughly with a damp cloth to remove
any residual alcohol.
Clean the exterior
Use a soft, damp, lint-free cloth to wipe dust, smudges, and stains off of the exterior of the product.
Firmware updates
Firmware updates and installation instructions for this product are available at www.hp.com/support/
ljm1522 . Click Downloads and drivers, click the operating system, and then select the firmware
download for the product.
160 Chapter 11 Manage and maintain the product ENWW
NOTE: In certain areas of California, air pollution control regulations restrict the use of liquid
Isopropyl Alcohol (IPA) as a cleaning agent. In those areas of California, please disregard the
previous recommendations and use a dry, lint-free cloth. The cloth may be moistened with water
if desired.