| Unit does not power up |
Is the AC adapter connected correctly? |
Turn off the power by disconnecting the AC adapter, then turn on the power again by reconnecting the power cable |
| Scanning does not start |
Are the documents inserted properly into the document feeder? |
Re-seat the batch of documents gently into the document feeder |
| Is the automatic document feeder closed completely? |
Confirm the automatic document feeder is closed |
| Is the interface cable connected correctly? |
Connect the interface cable correctly |
| For M3091DC only - is the terminating resistor switch set correctly?
|
When the scanner is the last or only device on the SCSI bus, set the terminator switch to ON; otherwise set it to off |
| Poor results from scanning graphics and photographs |
Have you selected the setting within the software for grey scale or colour? |
Specify within the driver or software, the appropriate parameter |
| Check the glass surfaces where paper passes through the scanner. Are they clean? |
Clean the glass surfaces |
| Poor results from scanning line drawings or text |
Is the setting within driver on grey scale or colour? |
Set the mode type to binary (black and white processing) |
| Check surfaces where paper passes through scanner. Are they clean? |
Clean glass surfaces |
| A vertical thin black line appears down the length of my scan |
A thin black line that runs vertical down the length of the page is likely to be a dust particle or similar on the glass lens
through which paper passes
|
Open the document feeder by way of the blue lever on the unit's top right. Inspect the glass surfaces where paper passes and
look for any paper debris. With a soft dry cloth wipe the glass clean.
|
| Image is misaligned or distorted |
Are documents set straight on the document support? |
Set documents straight by using the support guides |
| Double feeding occurs frequently |
Is the pad clean? |
Clean separator pad |
| Is the pad worn? |
Replace separator pad |
| Paper fails to feed properly (stops en route) |
Is the pick roller clean? |
Clean pick roller |
| Is the pick roller worn? |
Replace pick roller |
| Is any foreign matter in the paper path? |
Remove any foreign matter from the paper path |
