HP laserjet 3390, 3392 all-in-one Manuale Di Servizio
Cleaning the scanner-cover backing
1.
Turn off the all-in-one, unplug the power cord from the electrical outlet, and raise the scanner cover.
2.
Clean the white scanner-cover backing by using a soft cloth or sponge that has been moistened
with mild soap and warm water. Also, clean the ADF scanner glass (callout 1) next to the flatbed
scanner glass.
with mild soap and warm water. Also, clean the ADF scanner glass (callout 1) next to the flatbed
scanner glass.
1
Figure 3-25
Cleaning the scanner-cover backing
3.
Wash the backing gently to loosen debris; do not scrub the backing.
4.
Dry the backing by using a chamois or soft cloth.
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.
to dampen the cloth or sponge, and then wipe the backing thoroughly with a damp cloth to remove
any residual alcohol.
ENWW
Cleaning the all-in-one
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