HP 220 - Manual (Page 184)

9Ć6 Product History and Service Notes C3187Ć90000
4) What to Do with Units Exhibiting InkĆSmearing Problems
If the unit is exhibiting an inkĆsmearing problem using HPĆrecommended media and under
proper environmental conditions, do the following:
i) Ensure the glue bed of each cartridge is as specified in item (b) of the table in figure 1.
ii) If both cartridges are okay, do the following:
a) Verify the carriageĆtoĆroller height as in (3) above:
* If within specs refer to note below.
* If out of specs continue the procedure.
b) Remove the right endĆcover
c) Remove the carriage and media motors from their support.
d) Loosen (one turn) the three screws holding the mediaĆmotor mount in place.
e) Retighten them while applying a downward pressure as shown in the figure 2.
Apply pressure while
tightening screws 1, 2 & 3
Figure 2
1
2
3
f) Check the carriage height as in (3) above.
g) If the value is within specs, reassemble the unit. If still out of specs redo steps (b) to (f).
h) Verify proper operation of the unit by plotting a demo plot on A/A4Ćsize media.
Note: This procedure is intended to troubleshoot only those inkĆsmearing problems caused
by incorrect cartridgeĆtoĆroller distance. Make sure that proper humidity conditions are met
and also check for mediaĆrelated factors that may influence this distance (for example
wetĆcockle effect).
Administrative Information
Classification: Information Only
Author/Entity: PP/F900