Operation Manual

28
The following table contains an overview of the most frequent operating
errors or problems and their possible causes and remedies. Before calling
our service desk, please consult this table which has been compiled by
our service engineers. In most cases you will be able to solve the problem
on your own.
If you cannot rectify a fault using the instructions provided, please dis-
connect from the mains. Wait at least ten seconds and reconnect. If the
fault recurs, please contact your customer information centre.
The faxes are of poor quality
Possible cause
Remedy
Error
You or your fax correspondent receive blank
pages.
Your fax correspondent sends the wrong
(blank) side of a document.
The printer is faulty.
Your fax correspondent must feed the document
properly.
Test the fax machine by making a copy. If your
copy is faultless the correspondent's fax machine
might be defective. Call service if necessary.
Faxes are of poor quality. The document contains photographs or small
print.
The document lacks contrast.
Your fax machine is faulty.
Change the resolution setting to FINE or
PHOTO.
Check the document.
Test the fax machine by making a copy. If your
copy is faultless the correspondent's fax machine
might be defective. Call service if necessary.
Your fax machine produces white lines when
printing.
Your thermal print head is dirty. Copy a black page several times until the lines
disappear.
Your fax or your recipient’s fax machine
produces black lines when printing.
There is paper in the sheet feeder or the
scanner is dirty.
Your fax machine is faulty.
Open the operation panel and remove the paper
from the document feed slot.
Test the fax machine by making a copy. If your
copy is faultless the correspondent's fax machine
might be defective. Call service if necessary.
9 Troubleshooting