Control panel message Status alert Description Recommended action
79 Error
Turn off then on
The product has experienced an
internal firmware error.
Turn the product power off, wait
at least 30 seconds, and then
turn the product power on and
wait for it to initialize.
If you are using a surge
protector, remove it. Plug the
product directly into the wall
socket. Turn the product power
on.
79 Service error
Turn off then on
An incompatible DIMM is
installed.
1. Turn the product power off.
2. Install a DIMM that the
product supports.
3. Turn the product on.
Black Cartridge Low
If this message appears when a
new cartridge is installed, follow
the steps in the Recommended
action column.
1. Reinstall the cartridge.
2. Reconnect the connector of
the DC controller PCA
(J124).
3. If the problem is not solved,
replace the cartridge.
Black in wrong position
The print cartridge is installed in
the incorrect slot.
Make sure that each print
cartridge is installed in the
correct slot. From front to back,
the print cartridges are installed
in this order: black, cyan,
magenta, and yellow.
Black Very Low
The print cartridge is at the end
of its useful life, and the At Very
Low menu item in the System
Setup menu is set to Continue.
To ensure optimal print quality,
HP recommends replacing the
print cartridge at this point. You
can continue printing until you
notice a decrease in print
quality. Actual cartridge life may
vary.
Once an HP supply has reached
“very low”, HP's premium
Protection Warranty on that
supply has ended. All print
defects or cartridge failures
incurred when an HP supply is
used in continue at very low
mode will not be considered to
be defects in materials or
workmanship in the supply
under the HP Print Cartridge
Warranty Statement.
Cyan Cartridge Low
If this message appears when a
new cartridge is installed, follow
the steps in the Recommended
action column.
1. Reinstall the cartridge.
2. Reconnect the connector of
the DC controller PCA
(J124).
3. If the problem is not solved,
replace the cartridge.
88 Chapter 2 Solve problems ENWW
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