Diagnosis
136 Manual m600 basic 2.6_01
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If one print head is connected, the following information appears:
Consumption [nl]
This field shows the consumption of each print head in nl (nanoliters).
Print head
1/2
Cartridge [%]
This item displays the level of the cartridge, referred to the ink capacity
or the type.
Ink consumption is calculated on the following basis:
• Selected size of the cartridge (40/42/152/412 ml)
If, for example, "42 ml" is selected in the "Settings/Cartridge" for the use of
HP cartridges, the level indicator will be based on this volume. If, however,
"412 ml" is selected for the use of the HP bulk, the level indicator and a cor-
responding "No ink" alarm will be based on this volume. If cartridges and
bulks are used alternately, the set value must always be changed in "Set-
tings/Cartridge".
• Type of ink (different drop sizes)
Since the sizes of the drops vary (differing viscosities) even though the car-
tridge volume may be the same, consumption will vary depending on the
type of ink used.
• Amount of ink used by the label
The amount of ink used by the current label can be found in the diagnosis
menu. This is indicated in nanoliters (nl). To determine the maximum
number of prints, divide the volume of the cartridge (e.g. for a 42 ml car-
tridge this means 42,000,000 nl) by the consumption rate indicated.
Temperature [°C]
For reasons related to the printing technology of the thermal inkjet proc-
ess, every cartridge contains a heating element. The normal temperature
of the heating element when there is no printing operation is approx. 25-
30 degrees Celsius.
During the printing operation the temperature may rise to a maximum of
60 degrees Celsius, depending on the load on the cartridge (printing
speed, print text, etc.).
Maloperation, e.g. improper system operation at excessive printing speed,
may cause the nozzles to "burn", after which it will only take a few prints
before the cartridge will fail.
Nozzles faulty
This shows that certain individual nozzles have been destroyed because of
maloperation (e.g. if they "burn" - see the previous section "Tempera-
ture").
This menu only shows "errors" which are capable of technical measure-
ment. For example, it is not possible to show nozzles which have dried out
on the outside because a cartridge was incorrectly inserted.
PEN ID
The identification number for HP cartridges. This number is only of rele-
vance for service personnel.
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