Olivetti OFX 1000, Instruction Manual

Page: 106 / 125

ROUTINE MAINTENANCE 111
CAUSE ACTION
The paper used has a very porous surface. Try printing on the other side of the sheet or else
use a different type of paper.
There is a particle on the printing nib that the print
head pad cannot remove. Remove the print head. Remove the particle with
care, making sure you do not touch the electrical
contacts or the printing nib. Reinsert the print
head and follow the “
Automatic Checking and
Cleaning of the Print Nozzles ” procedure.
The printing nib is dirty.
Carry out the “
Cleaning the Print Head Cleaning
Ribbon” procedure.
Nozzles obstructed. Repeat this procedure once again to carry out the
print head cleaning procedure. After this
procedure has been carried out three times you
should replace the print head.
If instead, the numbered scale appears as in the figure below:
and the message displayed is “NOZZLES DAMAGED”, this means that there is an electrical problem. If
this happens, consult the table below.
CAUSE ACTION
The print head has been replaced or reinserted
incorrectly. Remove and reinsert the print head and then carry
out the “
Automatic Checking and Cleaning of the
Print Nozzles ” procedure.
There is one or more false contacts.
Carry out the “
Cleaning the Electrical Contacts on
the Print Head ” procedure and then the “ Automatic
Checking and Cleaning of the Print Nozzles ”
procedure.
One or more contacts are broken. Replace the print head.