Epson AcuLaser CX21NF User Manual

Cleaning and Transporting the Product291
Cleaning the ADF pickup roller
When the Auto Document Feeder has failed to feed paper, open the ADF cover, and wipe 
away the roller with a wet, well-wrung cloth and remove paper dust.
Cleaning the document table and the exposure window for Auto 
Document Feeder
If a line of dots always appears in your scanned images, fax images, or copies, the 
document table or exposure window for Auto Document Feeder may be dusty or 
scratched. Clean those parts.
a. document...

Cleaning and Transporting the Product292
Transporting the Product
Finding a place for the product
When relocating the product, always choose a location that has adequate space for easy 
operation and maintenance. Use the following illustration as a guide for the amount of 
space required around the product to ensure smooth operation. Dimensions shown in the 
illustration below are in millimeters.
To install and use any of the following options, you will need the indicated amount of 
additional space.
The...

Cleaning and Transporting the Product293
❏Place the product where you can easily unplug the power cord.
❏Keep the entire computer and product system away from potential sources of 
interference, such as loudspeakers or the base units of cordless telephones.
❏Avoid using an electrical outlet that is controlled by wall switches or automatic timers. 
Accidental disruption of power can erase valuable information in your computer’s and 
product’s memory.
c
Caution:
❏Leave adequate room around the product to...

Cleaning and Transporting the Product294
3. Turn off the product and remove the following items:
4. Attach the protective materials onto the product, then repack the product in its original 
box.
c
Caution:
After transporting the product, set the transportation lock on the left side of the document 
table in the  unlocked position before using the product. See Scanner parts on page 26.
For short distances
Always pay attention to the following handling precautions when you need to move the 
product for...

Cleaning and Transporting the Product295
1. Turn off the product and remove the following items.
2. Be sure to lift the product by the correct positions as shown below.
w
Warning:
Use much care since the rear side of the product is heaver. Two people should lift the 
product by the correct positions. 
3. When moving the product, always keep it horizontal.
a. installed option (only when the optional paper cassette 
unit is installed)
b. photoconductor unit
c. loaded paper
d. interface cable
e. power cord...

Printing Problems296
Chapter 15 
Printing Problems
Printer Operational Problems
The Print light does not turn on
The product does not print (Print light off)
The Print light is on but nothing prints
Cause What to do
The power cord may not be properly 
plugged into the electrical outlet.Turn off the product, check the power cord 
connections between the product and the 
electrical outlet, then turn the product back on.
The electrical outlet may be controlled by an 
outside switch or an automatic...

Printing Problems297
The Order Online function does not work
The remaining service lives of the consumables are not updated 
(For Windows users only)
Printout Problems
The font cannot be printed
Printout is garbled
Your computer system’s memory is too small 
to handle the volume of data in your 
document.Try reducing the image resolution of your document 
in the application software, or install more memory in 
your computer if you can.
Cause What to do
EPSON Status Monitor is not installed or the 
URL...

Printing Problems298
Note:
If a status sheet does not print correctly, your product may be damaged. Contact your dealer or a 
qualified service representative.
Color Printing Problems
Cannot print in color
The printout color differs when printed from different printers
The color looks different from what you see on the computer screen
Cause What to do
Black is selected as the Color setting in the 
printer driver.Change this setting to Color.
The color setting in the application you are 
using is not...

Printing Problems299
Print Quality Problems
The background is dark or dirty
White dots appear in the printout
Print quality or tone is uneven
Cause What to do
You may not be using the correct type of 
paper for your product.If the surface of your paper is too rough, printed 
characters may appear distorted or broken. EPSON 
special paper, or smooth, high-quality copier paper 
is recommended for best results. See Available 
paper types on page 359 for information on 
choosing paper.
The paper path inside...

Printing Problems300
Half-tone images print unevenly
Toner smudges
Areas are missing in the printed image
Cause What to do
Your paper may be moist or damp. Do not store paper in a humid or damp environment. 
Be sure to use paper that is newly unwrapped.
One of the toner cartridges may be near the 
end of its service life.If the message on the LCD panel or in EPSON Status 
Monitor indicates that one of the toner cartridges is 
near the end of its service life, replace it. See Toner 
Cartridge on page...