Scanning Problems - Dell 2135cn Service Manual

1.5.7 Scanning Problems

If scanner does not work, check and try the action below.
1) Ensure that you place the document to be scanned face down from the document feeder glass, or
face up in the ADF.
2) There may not be enough available memory to hold the document you want to scan. Try the Pres-
can function to see if that works. Try lowering the scan resolution rate.
3) Check that the USB cable is connected properly.
4) Ensure that the USB cable is not defective. Switch the cable with a known good cable. If neces-
sary, replace the cable.
5) Check that the scanner is configured correctly. Check the application you want to use to make cer-
tain that the scanner job is being sent to the correct port.
If printer scans very slowly, check and try the action below.
1) Graphics are scanned more slowly than text when using the Scan to E-mail or Scan to Network
feature.
2) Communication speed becomes slow in scan mode because of the large amount of memory
required to analyze and reproduce the scanned image.
3) Scanning images at a high resolution takes more time than scanning at a low resolution.
If document misfeeds or multiple feeds occur in the Automatic Document Feeder (ADF), check and try
the action below.
1) Check whether the ADF roller assembly is installed properly.
2) Ensure the document's paper type meets the specifications for the printer.
3) Check whether the document is properly loaded in the ADF.
4) Ensure that the document guides are adjusted properly.
5) Ensure that the number of document sheets do not exceed the maximum capacity of the ADF.
6) Ensure that the document is not curled.
7 Fan the document well before loading it in the ADF.
If vertical stripes appear on the output when scanned using the ADF, check and try the action below.
1) Clean the ADF glass.
If smear appears at the same location on the output when scanned using the document glass, check
and try the action below.
1) Clean the document glass.
If images are skewed, check and try the action below.
1) Ensure that the document is loaded straight in the ADF or on the document glass.
If diagonal lines appear jagged when scanned using the ADF, check and try the action below.
1) If the document uses thick media, try scanning it from the document glass.
Version 2 2008.03.31
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Chapter 1 Troubleshooting