Epson Gt20000 User Guide

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Installing the Automatic Document Feeder
Whenever you want to use the ADF, you need to remove the scanner cover and replace it 
with the ADF.
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Warning:
The ADF is heavy so you may need to have someone help you lift it.
Note:
The ADF is large, so you should clear sufficient space around the scanner.
1. Make sure the scanner is turned off, then unplug the power cord.
2. Remove the scanner cover. See “Placing Large or Thick Documents” on page 18 for 
instructions.
3. Remove the tape and other packing materials from the ADF.
4. Attach the two smaller feet. (The smaller feet have grooves on their sides.)
Note:
When removing the feet, turn and remove them as shown. 
						

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5. Insert the installation screws that come with the ADF into the holes in the back of the 
scanner and secure them using the included screwdriver.
6. Align the installation screws with the holes in the ADF. Slide the holes over the 
installation screws.
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Warning:
The ADF is heavy. Ask for assistance when lifting it. 
						

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7. Secure the knobs to the ends of the installation screws using the included screwdriver.
8. Connect the ADF cable to the scanner’s ADF connector.
9. Close the ADF.
10. Connect the power cord to the scanner and then turn on the scanner.
To load documents into the ADF, see “Loading Documents in the Automatic Document 
Feeder” on page 103.
Loading Documents in the Automatic Document Feeder
Document Specifications
The table below lists the sizes of paper you can load in the ADF.
Paper name Measurements Loading direction in ADF 
						

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Load only documents that meet the following specifications.
Make sure your documents meet the following conditions before loading them into the 
ADF.
❏The ink is dry.
❏The document has no holes and is not ripped or wrinkled.
❏The document has no staples, paper clips, or other objects attached to it; these may 
damage the feeder mechanism.
❏The document has no folds within 5 mm (0.2 inches) from the edges.
❏The document has no cut-out areas.
❏The document is not a multi-part form or bound.
❏The document has no rear carbon coating.
A3 297 × 420 mm (11.7 × 16.5 inches) Portrait
Ledger 279.4 × 431.8 mm (11 × 17 inches) Portrait
B4 257 × 364 mm (10.1 × 14.3 inches) Portrait
Legal 215.9 × 355.6 mm (8.5 × 14 inches) Portrait
A4 210 × 297 mm (8.3 × 11.7 inches) Portrait/Landscape
Letter 215.9 × 279.4 mm (8.5 × 11 inches) Portrait/Landscape
B5 182 × 257 mm (7.2 × 10.1 inches) Portrait/Landscape
Executive 184.1 × 266.7 mm (7.25 × 10.5 inches) Portrait/Landscape
A5 148.5 × 210 mm (5.9 × 8.3 inches) Portrait/Landscape
Weight 50 to 127 g/m
2 (0.1 to 0.3 lb/m2)
Paper type High-quality bond or thermal paper
Printing type Documents printed with impact printers, laser printers, or facsimile 
machines
Do not load documents printed with ink jet printers. 
						

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Loading Documents in the ADF
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Caution:
❏Do not feed photographs or valuable original artwork into the ADF. Misfeeding may 
wrinkle or damage the original. Scan these documents on the document table instead.
❏Remove any documents from the document table and make sure there is no dust on the 
glass before loading documents in the ADF.
❏If you need to scan documents or photos from the document table glass while the ADF is 
installed, follow the instructions in “Placing Documents on the Document Table With the 
ADF Installed” on page 106.
1. Slide the right edge guide on the input tray of the ADF all the way to the front.
2. Place your stack of paper (up to 100 sheets) in the input tray with the printed side facing 
up and the bottom edge facing into the feeder. Slide the paper into the feeder until it 
meets resistance. Then slide the edge guide over to the edge of the paper. 
						

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Note:
Do not load different size sheets.
To scan your documents using the ADF, see “Scanning Using the Automatic Document 
Feeder” on page 108.
Placing Documents on the Document Table With the ADF Installed
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Caution:
Do not place heavy objects on the document table glass and do not press the glass with too 
much force.
1. Open the ADF. 
						

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2. Place your document or photo face-down on the document table. Make sure the upper 
left corner of the document or photo is against the corner of the scanner, next to the 
arrow mark.
3. Close the ADF.
Note:
Opening the ADF while scanning is in progress will result in an option error and may result in a 
paper feeding error.
To scan your documents using the document table when the ADF is installed, see one of 
these sections. 
						

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Office Mode: “Scanning in Office Mode” on page 23
Home Mode: “Scanning in Home Mode” on page 25
Professional Mode: “Scanning in Professional Mode” on page 27
Scanning Using the Automatic Document Feeder
See one of these sections for instructions on scanning using the ADF.
Office Mode: “Scanning in Office Mode Using the ADF” on page 108
Professional Mode: “Scanning in Professional Mode Using the ADF” on page 110
Note:
Home Mode is not available when you are scanning with the ADF. Change the scan mode to Office 
Mode or Professional Mode. See “Changing the Scan Mode” on page 22 for instructions.
Scanning in Office Mode Using the ADF
1. Load your documents in the ADF. See “Loading Documents in the Automatic Document 
Feeder” on page 103 for instructions.
2. Start Epson Scan. See “Starting Epson Scan” on page 20 for instructions.
3. Select Office Mode in the Mode list. See “Changing the Scan Mode” on page 22 for 
instructions.
4. Select Color, Grayscale, or Black&White as the Image Type setting.
Note:
If you select Grayscale or Black&White, you can also select an Image Option setting, as 
described below.
Image Option Setting Description
None No Image Option setting is applied.
Dropout: Red Drops out red from the scan.
Dropout: Green Drops out green from the scan.
Dropout: Blue Drops out blue from the scan.
Color Enhance: Red Enhances red in the scan.
Color Enhance: Green Enhances green in the scan. 
						

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5. Select one of these settings as the Document Source setting.
❏ADF - Single-sided: Select this setting when you use the ADF to load your 
documents and scan only one side of your document pages. 
❏ADF - Double-sided: Select this setting when you use the ADF to load your 
documents and scan both sides of your document pages.
❏Auto Detect: This setting automatically detects where your document is placed.
6. Select the size of your original document as the Size setting.
7. Click the arrow to open the Resolution list and select an appropriate resolution for your 
original. See “Selecting the Scan Resolution” on page 32 for instructions.
8. Click Preview to preview your image(s). The Preview window appears and displays 
your image(s).
9. If necessary, you can draw a marquee (a line marking the scan area) around the portion 
of your document page that you want to scan in the Preview window. See “Creating a 
Marquee on a Preview Image” on page 37 for instructions.
10. Change any necessary Image Adjustment settings. See “Adjusting the Color and Other 
Image Settings” on page 39 for details.
11. Place the ejected document pages on top of the rest of the pages.
12. Click Scan.
What happens next depends on how you started your scan. See “Finishing the Scan” on 
page 49 for instructions.
If you have problems while scanning using the ADF, see “Optional Automatic Document 
Feeder Problems” on page 118.
Color Enhance: Blue Enhances blue in the scan.
Text Enhancement Technology Improves accuracy during OCR 
(Optical Character Recognition) 
scanning by eliminating the 
document’s background from the 
scan. This setting is available only 
when the Image Type is set to 
Black&White.
Auto Area Segmentation Makes grayscale images clearer and 
text recognition more accurate by 
separating the text from the graphics. 
This setting is available only when the 
Image Type is set to Black&White. 
						

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Scanning in Professional Mode Using the ADF
1. Load your documents in the ADF. See “Loading Documents in the Automatic Document 
Feeder” on page 103 for instructions.
2. Start Epson Scan. See “Starting Epson Scan” on page 20 for instructions.
3. Select Professional Mode in the Mode list. See “Changing the Scan Mode” on page 22 
for instructions.
4. Click the arrow to open the Document Type list and select Reflective.
5. Select one of these settings as the Document Source setting.
❏ADF - Single-sided: Select this setting when you use the ADF to load your 
documents and scan only one side of your document pages. 
❏ADF - Double-sided: Select this setting when you use the ADF to load your 
documents and scan both sides of your document pages.
6. Click the arrow to open the Auto Exposure Type list and select Document.
7. Click the arrow to open the Image Type list and select the detailed image type you are 
scanning.
Note:
❏If you select Halftone, you can also select the Pattern setting. To access the setting, click 
the + (Windows) or r(Mac OS X) button next to Image Type. For details on adjusting the 
setting, see Epson Scan Help.
❏If you select 8-bit Grayscale or Black & White, you can also select an Image Option 
setting, as described below. To access the setting, click the + (Windows) or r(Mac OS X) 
button next to Image Type.
Image Type 
settingType of image you are scanning
24-bit Color Color photo
Color Smoothing Color graphics, such as a chart or graph
8-bit Grayscale Black-and-white photo with just a few shades of gray
Halftone Shaded drawings or photographs
Black & White Document with black text and/or line art
Image Option Setting Description
None No Image Option setting is applied.