HP Latex 3000 Printer - Manual (Page 239)

3. Locate the e-cabinet fuses.
4. Locate the failing fuse identified by the Print Care error message logs.
5. Pull out the fuse and insert a new one. Ensure that the new fuse matches the old one in size, rating, and
color.
6. Run a diagnostic test to check that the new fuse is working correctly.
CAUTION: Fire risk! A blown fuse may indicate malfunctioning electrical circuits within the system. If a
fuse trips repeatedly, call your service representative and do not attempt to replace the fuse with one
with a higher current rating.
7. Dispose of the old fuse.
8. Put back the rear right cover and screw it into place.
9. Turn on the printer in the correct way for maintenance operations: see Turn the printer on on page 143 .
Clean the printhead contacts
WARNING! This operation is limited to trained personnel only!
NOTE: During the installation of the printer, the designated personnel received training for safe operation
and maintenance of the printer. It is not allowed to use the printer without this training.
WARNING! Read and follow the safety precautions section to make sure you use the equipment safely: see
Safety precautions on page 2 . You are expected to have the appropriate technical training and experience
necessary to be aware of hazards to which you may be exposed in performing a task, and to take appropriate
measures to minimize the risks to yourself and to others.
ENWW Clean the printhead contacts 233