Epson AcuLaser CX21NC User Manual

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Note:
When you place multiple documents in the Auto Document Feeder and make a continuous high 
quality (600 dpi) color copy with the default memory (128 MB), the product may not work properly 
because of insufficient memory. We recommend adding an memory module so that the total 
memory size is 256 MB or higher.
1. Make sure that the product is in Copy mode. If not, press the  Copy button to enter 
the Copy mode.
2. Press the uUp or dDown button several times until Color DocType or B&W DocType 
appears.
3. Press the lLeft or rRight button several times until your desired document type 
appears.
Adjusting the density
You can adjust the image quality in density by selecting from 7 levels (-3 to 3). The higher 
the level, the darker the image. The default level is 0. For adjusting the image quality, see 
also Adjusting the contrast on page 201 and Adjusting the RGB color on page 202.
1. Make sure that the product is in Copy mode. If not, press the  Copy button to enter 
the Copy mode.
2. Press the uUp or dDown button several times until Density appears.
The current value next to Density is highlighted.
3. Specify the density.
Note:
To increase or decrease the density, press the rRight or lLeft button, respectively. The 
density increases or decreases one level at a time.
Adjusting the contrast
You can adjust the image quality in contrast by selecting from 7 levels (-3 to 3). The higher 
the level, the greater the contrast becomes. When you adjust the contrast to a lower level, 
the difference in brightness decreases. The default level is 0. For adjusting the image 
quality, see also Adjusting the density on page 201 and Adjusting the RGB color on 
page 202.
Hgh QI (High 
quality)Good for documents containing fine 
information.
Although copying takes longer, higher 
quality (600 dpi) is obtained.
 
						

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1. Make sure that the product is in Copy mode. If not, press the  Copy button to enter 
the Copy mode.
2. Press the uUp or dDown button several times until Contrast is selected.
The current value next to Contrast is highlighted.
3. Specify the contrast level.
Note:
To increase or decrease the contrast, press the rRight or lLeft button, respectively. The 
contrast increases or decreases one level at a time.
Adjusting the RGB color
You can adjust the image quality in RGB strength by selecting from 7 levels (-3 to 3) for red 
(R), green (G), and blue (B). The higher the level, the richer the image. The default level is 
0. For adjusting the image quality, see also Adjusting the density on page 201 and 
Adjusting the contrast on page 201.
Note:
RGB adjustment is available only for color copies.
1. Make sure that the product is in Copy mode. If not, press the  Copy button to enter 
the Copy mode.
2. Press the uUp or dDown button several times until your desired color (R, G, or B) is 
selected.
The current value next to R, G, or B is highlighted.
3. Specify the color strength.
Note:
To increase or decrease the color strength, press the rRight or lLeft button, respectively. The 
color density increases or decreases one level at a time.
Specifying the zoom ratio
You can specify a zoom ratio by selecting from the fixed zoom ratios, or by specifying a 
value from 25 to 400% in increments of 1%. The default zoom ratio is 100%.
1. Make sure that the product is in Copy mode. If not, press the  Copy button to enter 
the Copy mode.
 
						

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2. Place your original either on the document table or in the Auto Document Feeder. For 
details, see Setting Your Originals on page 129.
3. Press the dDown button to select Zoom.
4. Specify your desired zoom ratio with either of the following methods.
Selecting a zoom ratio:
Press the lLeft or rRight button several times until the desired fixed zoom ratio is 
displayed. 
The following document fixed zoom ratios are available:
Setting a zoom ratio:
You can also specify a magnification rate between 25% and 400% using the numeric 
keypad.
Note:
If the lLeft or rRight button is pressed after entering a magnification rate using the numeric 
keypad, the closest fixed value to the entered rate is displayed.
Full-page copy
The full-page copy function is used to slightly reduce the output in order to fit the document 
into the guaranteed print area of the product. Normally, the guaranteed printable area of a 
photocopier is limited. Therefore, when a photocopier copies a document with text or 
image printed on the whole sheet of paper, part of the text or image on the edges of paper 
will not be copied. This function is enabled when On is selected.
1. Make sure that the product is in Copy mode. If not, press the  Copy button to enter 
the Copy mode.
2. Place your original either on the document table or in the Auto Document Feeder. For 
details, see Setting Your Originals on page 129.
3. Press the dDown button twice to select Full Copy.
4. Press the lLeft or rRight button to select between On and Off.
Zoom Ratio Settings Zoom
LGL > LT 78%
A4 > B5 86%
100% 100%
B5 > A4 115%
HLT > LG 154%
 
						

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Making 2 pages per sheet copies
You can copy two sheets of a single-sided document on one sheet. 
Note:
❏This function is available for the following settings.
- Document size: A4, B5, Letter, and Legal
- Output paper size: A4, B5, Letter, and Legal
- Zoom: 100%
❏The Zoom setting is ignored in 2 pages per sheet copy mode.
1. Make sure that the product is in Copy mode. If not, press the  Copy button to enter 
the Copy mode.
2. Place your original either on the document table or in the Auto Document Feeder. For 
details, see Setting Your Originals on page 129.
3. Press the Advanced/Menu button.
The Copy advanced menu appears.
Document 
SizeOutput size Availability
A4 A4 Available
B5 Available
Letter N/A
Legal N/A
B5 A4 Available
B5 Available
Letter N/A
Legal N/A
Letter A4 N/A
B5 N/A
Letter Available
Legal Available
Legal A4 N/A
B5 N/A
Letter Available
Legal Available
 
						

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4. Press the dDown button to select 2 Pages per Sheet, and then press the rRight 
button. 
5. Specify the desired copy settings as necessary. For details, see Making Changes to 
Copy Settings on page 199.
6. Press the xB&W Start or xColor Start button to start copying. 
To make a black-and-white copy, press the xB&W Start button. To make a color copy, 
press the xColor Start button.
Using the document table 
Set the documents one by one. When you press the xB&W Start or xColor Start button, 
messages prompting you to set the next document and to confirm whether there are more 
documents or not are displayed in the LCD panel. 
Using the Auto Document Feeder
When you set all documents in the Auto Document Feeder and press the xB&W Start or 
xColor Start button, the documents are fed automatically, and then scanning starts. If you 
set an odd number of sheets in the Auto Document Feeder, a half of the last page is output 
blank.
Reset the copy settings
The currently selected setting can be reset to the default value by pressing the  Reset 
button. Pressing the  Reset button for a while resets all setting values to the default and 
the LCD panel returns to the initial display.
Reset the copy settings in the LCD panel
To reset all settings you made to the factory settings, follow the steps below.
1. Press the  Setup button on the control panel.
The Setup light is on and the Setup menu appears in the LCD panel.
2. Press the dDown button until Copy Settings appears, and then press the rRight 
button.
3. Press the dDown button to select Copy Factory Settings, and then press the rRight 
button.
4. Make sure that Copy Factory Settings is selected, and then press the rRight button. 
 
						

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When all settings are changed to the factory settings, the product returns to the Print 
mode.
Restrictions on Copying
Operators of this product must observe the following restrictions in order to ensure the 
responsible and legal use of this product.
Copying of the following items is prohibited by law
❏Bank bills, coins, government-issued marketable securities, government bond 
securities, and municipal securities
❏Unused postage stamps, pre-stamped postcards, and other official postal items 
bearing valid postage
❏Government-issued revenue stamps, and securities issued according to legal 
procedure
Exercise caution when copying the following items
❏Private marketable securities (stock certificates, negotiable notes, checks, etc.), 
monthly passes, concession tickets, etc.
❏Passports, driver’s licenses, warrants of fitness, road passes, food stamps, tickets, etc.
Responsible use of copyrighted materials
Scanners can be misused by improperly copying copyrighted materials. Unless acting on 
the advice of a knowledgeable attorney, be responsible and respectful by obtaining the 
permission of the copyright holder before copying published material.
 
						

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Chapter 10 
Faxing (Fax Model Only)
Setting Originals to Fax
You can load the original either on the document table or in the Auto Document Feeder 
depending on the type of the original. For details, see Setting Your Originals on page 129.
Note:
❏Before scanning a document, remember to respect the rights of copyright owners. Do not scan 
published text or images without first checking their copyright status.
❏If documents are placed both in the Auto Document Feeder and on the document table, only the 
documents in the Auto Document Feeder are scanned.
Sending Faxes
Available original sizes:
❏You can use A4, Letter, and Legal size originals for fax transmission.
❏Legal size documents are available only with the Auto Document Feeder.
❏The transmission result may differ from the original size. For example, when you fax an original 
smaller than A4 size, it is transmitted in A4 landscape. 
❏You can fax a B5 size original, but it is output on A4 size paper on the recipient’s machine as 
illustrated below.
 
						

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* B5 size
** A4 size
Basics of sending faxes
1. Make sure that the product is turned on.
2. Press the  Fax button on the control panel.
The Fax light is lit and the LCD panel shows Fax Mode for a few seconds, then changes 
to the fax mode’s screen. 
Note: 
❏Do not turn off the power or press another mode’s button while faxing, as the fax process 
may be performed incorrectly.
Original Transmission data
Scanning 
directionSent in A4 size Transmitting 
direction
Scanning 
directionRotated 90 
degrees and sent 
in A4 sizeTransmitting 
direction
***
***
 
						

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❏If no button is pressed for more than 3 minutes, any changes made are canceled and the 
mode returns to the Print mode.
3. Place your original either on the document table or in the Auto Document Feeder. For 
details, see Setting Your Originals on page 129.
4. Enter the recipient’s fax number directly from the numeric keypad on the control panel.
Note:
❏A maximum of 50 characters can be entered for a recipient.
❏If an incorrect number is entered, press the  Reset button to delete a character left to the 
cursor. Pressing the lLeft or rRight button moves the cursor left or right.
❏When entering the recipient number, numerics (0 to 9), #, and * can be inserted using the 
numeric keypad.
❏When you press the Redial button instead of entering the recipient’s fax number, the fax 
number you previously transmitted is automatically entered.
❏When pressing the Pause button while entering the recipient number, a “-” is displayed for 
the pause.
❏You can also send a fax using the One Touch Dial button or the Speed Dial button. For 
details, see Sending faxes using the one-touch function on page 211 or Sending faxes 
using the speed-dial function on page 210.
5. Make the appropriate settings for your scanning purpose if necessary.
You can specify the Document Size, Density, Image Quality, Polling reception, and 
Overseas transmission mode settings. For details, see Selecting the appropriate 
settings on page 216.
Note:
When you press the xB&W Start or xColor Start button without making any settings here, the 
fax transmission starts with the existing setting values.
6. Press the xB&W Start or xColor Start button to start the transmission. 
To send a black-and-white fax, press the xB&W Start button. To send a color fax, 
press the xColor Start button.
Note:
When the recipient’s fax machine supports only black-and-white fax, a color fax is received as 
a black-and-white fax even if you press the xColor Start button. 
 
						

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Sending faxes using the speed-dial function
When a recipient fax number is registered on the product, you can send a fax by choosing 
the desired recipient from the speed-dial list in the LCD panel. You can register up to 60 
recipient fax numbers on the product.
Note:
Before using the speed dial function, you need to register recipient fax information in advance. For 
details, see For Speed dial on page 226 or Using the EPSON Speed Dial Utility (for Windows 
only) on page 224.
1. Make sure that the product is in Fax mode. If not, press the  Fax button to enter the 
Fax mode. 
2. Place your original either on the document table or in the Auto Document Feeder. For 
details, see Setting Your Originals on page 129.
3. Press the Speed Dial button on the control panel.
The registered recipient list appears in the LCD panel.
4. Press the uUp or dDown button several times until your desired recipient is selected, 
then press the rRight button.
The selected recipient appears in the second top row in the LCD panel.
Note:
❏You can also select a recipient by entering the number directly.
❏To display the details of the assigned recipient, press the Advanced/Menu button while the 
recipient is selected. To return to the list again, press either the Advanced/Menu button or 
the lLeft button.
5. Make the appropriate settings for your scanning purpose if necessary.
You can specify the Document Size, Density, Image Quality, Polling receptions, and 
Overseas transmission mode settings. For details, see Selecting the appropriate 
settings on page 216.