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Problem Resolution 5Ć43
Clearing a Document Jam
To clear a document jam in the automatic document feed mechanism, perform the following steps:
1. Remove the document from the document IN tray.
2. Lift open the automatic document feed cover.
3. Remove the jammed paper from the automatic document feed mechanism.
4. Close the automatic document feed cover.
Figure 5Ć4. Clearing a Document Jam
Correcting Multiple Sheet Feed or Misfeed of Documents
Multiple feeds are when two or more sheets of the document feed through the fax machine at the same time. This
condition can be caused by paper that is unusually thin or sticking together because of humidity or other climatic
conditions. Documents that are of different types or weights of paper also increase the chances of multiple feeds. Mis-
feeds can be caused by paper that is unusually thick or of a heavy-weight bond. Also ensure that the document is free of
staples, paper clips and is not greasy, or torn.
To alleviate multiple sheet feeding or misfeeds of document pages, your HP FAX-900 has an adjustable pressure plate
that you can set to compensate for most paper conditions. This switch is located on the top center edge of the automatic
document feeder. The switch positions (1, 2, 3) are embossed in the automatic document feed cover.
Your fax machine also has a paper separator assembly to help separate pages as they go through the automatic docu-
ment feed mechanism.
To correct multiple sheet feed or misfeed of documents, first try adjusting the pressure plate switch. Instructions for
adjusting the pressure plate switch are provided in the following paragraphs. If adjusting the pressure plate switch does
not solve the problem, replace the paper separator assembly pad. Instructions for replacing the paper separator assem-
bly pad are contained in chapter 2 starting on page 19.
Adjusting the Pressure Plate Switch
If the document does not feed (misfeed), you can set the pressure plate switch to position 1 to decrease the pressure of
the plate. See Figure 5-5.
If the document feeds more than one page at a time (multiple feed), you can set the pressure plate switch to position 3 to
increase the pressure of the plate.
Switch position 2 is the normal setting for the pressure plate switch.
Adjust the switch setting as necessary. Set to position 1 if misfeeds (failure to feed) occur. Set to position 3 if multiple
sheet feeds occur. Return the switch to position 2 when the fax transmission is completed.