Epson AcuLaser CX21N User Manual

							Safety Instructions21
This is a Class III b Laser Diode Assembly that has an invisible laser beam. The printer 
head unit is NOT A SERVICE ITEM, therefore, the printer head unit should not be opened 
under any circumstances. An additional laser warning label is affixed to the inside of the 
product.
Ozone safety
Ozone emission
Ozone gas is generated by laser printers as a by-product of the printing process. Ozone is 
produced only when the printer is printing.
Ozone exposure limit
The recommended exposure limit for ozone is 0.1 parts per million (ppm) expressed as an 
average time-weighted concentration over an eight (8) hour period.
The Epson laser printer generates less than 0.1 ppm for eight (8) hours of continuous 
printing.
Minimize the risk
To minimize the risk of exposure to ozone, you should avoid the following conditions: 
❏Use of multiple laser printers in a confined area
❏Operation in conditions of extremely low humidity
❏Poor room ventilation
❏Long, continuous printing together with any of the above
Product location 
The product should be located so that the exhaust gases and heat generated are:
❏Not blown directly into the user’s face
❏Vented directly out of the building whenever possible
Wavelength: 770 to 795 nm
 
						

							Safety Instructions22
Power on/off cautions
Do not turn off the product:
❏After turning on the product, wait until Ready appears in the LCD panel.
❏While the Print light is flashing.
❏While the Data light is on or flashing.
❏While printing.
 
						

							Getting to Know Your Product23
Chapter 1 
Getting to Know Your Product
Where to Find Information
Where to Find Information
Setup Guide
Provides you with information on assembling the product and setting up the fax basic 
settings.
User’s Guide (this manual)
Provides you with detailed information on the product’s functions, optional products, 
maintenance, troubleshooting, and technical specifications.
Network Guide
Provides network administrators with information on both the printer driver and network 
settings.You need to install this guide from the Network Utilities CD-ROM to your 
computer’s hard disk before referring to it.
Basic Operation Guide
Provides you with solutions for paper jam problems about your product, and information on 
the control panel, copy and fax operations you may need to refer to on a regular basis. We 
recommend printing this guide and keeping it near the product.
Online Help for product software
Click Help for detailed information and instructions on the software that controls your 
product. Online help is automatically installed when you have installed from the software 
CD-ROM.
Note:
The illustrations in this guide are for EPSON AcuLaser CX21NF unless otherwise indicated.
 
						

							Getting to Know Your Product24
Product Parts
Front view
a. Auto Document Feeder
b. stopper
c. output tray
d. extension tray
e. control panel
f. cover A
g. MP tray
h. power switch
i. option cover
j. cover B
k. cover C
l. ADF cover
a
b
c
d
e
f
g k
l
j
i
h
 
						

							Getting to Know Your Product25
Rear view
a. cover F
b. USB interface connector
c. telephone interface connectors (fax model only)
- LINE: Connects with the phone cord.
- EXT: Connects with an attached phone.
d. network interface connector 
e. AC inlet
f. cover E
g. handle
h. cleaner cover
b
c
d
e
f a
gh
 
						

							Getting to Know Your Product26
Inside the product
Scanner parts
a. fuser unit
b. photoconductor unit access lever
c. photoconductor unit
d. cleaning knob access lever
e. toner cartridge
f. paper guides (MP tray)
a. document cover
a
b
c
d
ef
a
b
c
 
						

							Getting to Know Your Product27
Control panel
b. document table
c. transportation lock
a. One Touch Dial button A, B, C
(fax model only)Use these buttons to transmit a fax to a registered fax number 
assigned to the corresponding button. Available from any 
mode.
b. Data light
(Yellow)Flashes when the product is processing data.
c. Error light
(Red)On or flashes when an error has occurred.
- On when an error has occurred that requires operator 
intervention. The product will automatically recover when the 
cause of the error is resolved.
- Flashing 1 (blinks at 0.3 second intervals)
Indicates an error has occurred that can be recovered by 
pressing either the xB&W Start or xColor Start button.
- Flashing 2 (blinks at 0.6 second intervals)
Indicates an error has occurred that requires operator 
intervention and the xB&W Start or xColor Start button to be 
pressed after resolving the error. 
d. LCD panel Displays product status messages, guidance information, and 
various mode settings.
 
						

							Getting to Know Your Product28
e.lLeft/ rRight button Use these buttons to sequentially display previous or next setting 
values. The rRight button is also used as the OK button to set 
and register a setting item. Also, the lLeft button can be used 
to move the cursor one character left and overwrite mistakenly 
entered data.
uUp/ dDown button Use these buttons to sequentially display previous or next menu 
items. For instructions on how to use these buttons, see Using the 
Setup Menu on page 238.
f. Advanced/Menu button Use this button to display the advanced menu for each mode.
g. Speed dial button
(fax model only)Use this button to display a list of registered recipients in the LCD 
panel.
h. Pause/Redial button
 (fax model only)Use this button to insert a pause into fax dialing, or redial to the 
same fax number called previously.
i.xB&W Start button, 
xColor Start buttonUse these buttons to start a black-and-white or color copy, 
scan, or fax transmission.
When the error light is flashing, pressing this button clears the 
error and switches the product to ready status.
j.yCancel button Use this button to stop scanning operation, or cancel copy, fax 
transmission and print job.
Pressing it once cancels the current job.
Pressing and holding it for more than three seconds in Print 
mode deletes all print jobs from the product memory.
k. Numeric keypad Used to enter the number of copies or a zoom value in Copy 
mode. Also, enters numeric values, such as the Time Setting 
used in fax communications, in Setup mode.
hash and * asterisk buttons can be used in Fax mode.
l. Reset button Use this button to reset the selected setting item or mistakenly 
entered values to the default value. Press and hold it for more 
than three seconds to delete all setting items to their default 
values. Also, used as a delete button to delete one character 
from the entered data when entering a recipient fax number in 
Fax mode.
m. Setup light On when the product is in Setup mode.
n. Setup button Use this button to switch to the Setup mode.
o. Mode buttons Use these buttons to switch to the corresponding mode.
p. Mode lights On when the corresponding mode (Print, Copy, Fax, or Scan) is 
selected. When the Print light is on, the product is in Print mode 
and ready to receive and print data.
 
						

							Getting to Know Your Product29
Options and Consumable Products
Options
You can add the following option to your product’s capabilities by installing it.
500-Sheet Paper Cassette Unit *C12C802181)
The 500-Sheet Paper Cassette Unit holds one paper cassette. It increases paper handling 
capacity by 500 sheets of paper. For details, see Optional Paper Cassette Unit on page 
269.
Consumable products
The life of the following consumable products is monitored by the product. The product lets 
you know when replacements are needed.
Product name Product code
Toner Cartridge (Yellow) 0316
Toner Cartridge (Magenta) 0317
Toner Cartridge (Cyan) 0318
Toner Cartridge (Black) 0319
Photoconductor Unit 1104
 
						

							Product Features and Various Options30
Chapter 2 
Product Features and Various Options
Product Features
The product comes with a full set of features that contributes to ease of use and consistent, 
high-quality output. The main features are described below.
About the EPSON AcuLaser CX21 series
The EPSON AcuLaser CX21 series consists of the following two products. 
High-quality printing
When using the driver provided, your product does 600-dpi printing at a speed of up to 25 
pages per minute when printing in the black-and-white mode on A4 paper. You’ll 
appreciate the professional print quality produced by your product and its quick processing 
speed.
Pre-defined color settings in the printer driver
The printer driver offers many pre-defined settings for color printing, allowing you to 
optimize print quality for various types of color documents.
For Windows, see Making the print quality settings on page 49 for more information.
For Macintosh, see Making the print quality settings on page 94 for more information.
Toner save mode
To reduce the amount of toner used in printing documents, you can print rough drafts using 
the Toner Save mode.
AcuLaser CX21N: Network capable base model
AcuLaser CX21NF: Network capable fax model