Adjust The Scanner; Lcd Error Messages - HP 640 Fax series User Manual

Adjust the scanner

The scanner is adjusted at the factory. If, however, you drop your machine while moving
it, we recommend you adjust scanner.
1. Press Menu repeatedly until TOOLS appears and press OK.
2. Scroll to Adjust Scanner by pressing
3. Load a plain WHITE sheet of paper (no writing or graphics) into the document feeder
and press OK.
• The machine starts to scan the document to adjust the scanner.
• Printing quality may be unexpectedly worse if you do not use a plain WHITE
paper for the adjustment.

LCD error messages

These are the error message that may display along with solutions for you.
Display
Adjust scanner
first in TOOLS menu
Check white paper
document and try
again
Clean white roller,
glass and try again
Duplicated with
[Speed No.xx]
Exceeded Job Memory The machine can hold only 3 Favorites.
Exceeded Job Memory
Cancel scheduled
job and try again
Ink Low. Install
new ink cartridge
Install ink
cartridge
Invalid Time
Status/Solution
Adjust the scanner to fix this problem as described in
the scanner
on page 51.
You must use plain, white paper when adjusting the scanner.
Adjust the scanner
See
For more information, see
on page 49.
The same number has already been registered into another
speed dial location.
The broadcasting and delayed fax can hold 5 jobs in total.
Cancel a scheduled job and try again.
The print cartridge is low or has run out of ink. To install a new
Replace the print cartridge
print cartridge, see
Although this message is displayed, you can make a copy or
print a report. Incoming faxes will be stored in memory. You
must manually print them, see
Print cartridge is not installed or improperly installed.
The time you set for fax forwarding is wrong.
and press OK.
on page 51.
Clean the document scanner area
Reprinting faxes
Care and maintenance 51
Adjust the scanner
Adjust
on page 44.
on page 40.