Konica Minolta Bizhub 4020 User Manual page 349

Action
Step 4
Check if the electrical outlet is turned
off by a switch or breaker.
Is the electrical outlet turned off by a
switch or breaker?
Step 5
Check if the printer is plugged into
any surge protectors, uninterruptible
power supplies, or extension cords.
Is the printer plugged into any surge
protectors, uninterruptible power
supplies, or extension cords?
Step 6
Check other electrical equipment
plugged into the outlet.
Are the other electrical equipment
working?
Step 7
Turn off the printer, then wait for
about 10 seconds, and then turn the
printer back on.
Are the printer and scanner working?
User's Guide
Yes
Turn on the switch or reset the breaker.
Connect the printer power cord directly to
a properly grounded electrical outlet.
Unplug the other electrical equipment and
turn on the printer. If the printer does not
work, then reconnect the other electrical
equipment and then go to step 6.
The problem is solved.
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No
Go to step 5.
Go to step 6.
Go to step 7.
Contact technical support.