Epson AcuLaser CX21N User Manual

							Using the Control Panel261
Install a genuine Epson product, or select Clear Warning or Clear All Warnings from 
Reset Menu in the Setup menu’s Printer Settings to clear the warning message. See 
Toner Cartridge on page 278 for instructions on replacing the toner cartridge.
Optional RAM Error
The optional memory module may be corrupted or incorrect. Replace it with a new one.
Paper Jam WWWWW
The location where the paper jam occurred is displayed at WWWWW. WWWWW indicates the 
location of the error.
If a paper jam occurs at two or more locations simultaneously, the corresponding multiple 
locations are displayed.
Paper Out tttt sssss
There is no paper in the specified paper source (tttt). Load paper of the size (sssss) into 
the paper source.
Paper Set tttt sssss
Locatio
nDescription
Jam C Paper is jammed at cover C. For instructions on 
how to remove jammed paper at cover C, see 
Jam C (cover C) on page 335.
Jam E Paper is jammed at cover E. For instructions on 
how to remove jammed paper at cover E, see 
Jam E (cover E) on page 339.
Jam F Paper is jammed at cover F. For instructions on 
how to remove jammed paper at cover F, see 
Jam F (cover F) on page 340.
Jam MP Paper is jammed at the MP tray. For instructions 
on how to remove jammed paper at the MP 
tray, see Jam MP (MP tray) on page 343.
Jam LC Paper is jammed at the paper cassette. For 
instructions on clearing this type of paper jam, 
see Jam LC/G (optional paper cassette and 
cover G) on page 345.
Jam G Paper is jammed at cover G. For instructions on 
how to remove jammed paper at cover G, see 
Jam LC/G (optional paper cassette and cover 
G) on page 345.
 
						

							Using the Control Panel262
The paper loaded in the specified paper source (tttt) does not match the required paper 
size (sssss). Replace the loaded paper with the correct size paper and press the xB&W 
Start or xColor Start button to resume printing, or press the yCancel button to cancel the 
print job.
If you press the xB&W Start or xColor Start button without replacing the paper, the 
product will print on the loaded paper even though it does not match the required size.
Photoconductor Trouble
A read/write error has occurred for the photoconductor unit. Remove the photoconductor 
unit and reinsert it. If that fails to clear the error, replace the photoconductor unit. To install 
the photoconductor unit. See Photoconductor Unit on page 281.
Please Wait
The toner cartridge to be replaced is moving to the replacement position in the product.
Print Overrun
The required time to process the print data exceeded the print engine speed because the 
current page is too complex. Press the xB&W Start or xColor Start button to resume 
printing, or press the yCancel button to cancel the print job. If this message appears 
again, select Avoid Page Error on the printer driver.
If you continue to receive this message when printing a particular page, try simplifying the 
page by limiting the number of graphics or reducing the number and size of fonts.
You can also add more memory to the product as described in Memory Module on page 
273.
RAM CHECK
The product is checking the RAM.
Ready
The product is ready to receive data and print.
Remove Photoconductor
When setting up the product, the photoconductor unit was installed before all toner 
cartridges were installed.
Open cover B, remove the photoconductor unit, then close cover B.
Replace Photoconductor
 
						

							Using the Control Panel263
The photoconductor has reached the end of its service life. Replace the photoconductor 
unit with a new one. See Photoconductor Unit on page 281 for instructions.
The error clears automatically after you replace the unit and close all product covers. The 
photoconductor service life counter is reset automatically.
When the error light is blinking, you can continue printing by pressing the xB&W Start or 
xColor Start button. However, the print quality is not guaranteed from then on.
Replace Toner uuuu
The Toner cartridge for the indicated color has reached the end of its service life. Cyan (C), 
Magenta (M), Yellow (Y), or Black (K) appear in place of uuuu. Replace the cartridge with 
a new one. 
The error clears automatically after you replace the cartridge and close all product covers. 
The toner cartridge service life counter is reset automatically.
Reset
The product’s current interface has been reset and the buffer has been cleared. However, 
other interfaces are still active and retain their settings and data.
Reset All
All Printer Settings have been reset to the default configuration, or to the last settings that 
were saved.
Reset to Save
A control panel menu setting was changed while the printer was printing. Press the xB&W 
Start or xColor Start button to clear this message. The setting is enabled after printing has 
finished.
Alternatively you can clear this message by performing Reset or Reset All on the control 
panel. However, the print data will be deleted.
ROM CHECK
The product is checking the ROM.
Service Req Cffff/Service Req Eggg
A controller error or a print engine error has been detected. Turn off the product. Wait at 
least 5 seconds, then turn it back on. If the error message still appears, write down the error 
number listed in the LCD panel (Cffff/Eggg), turn off the product, unplug the power cord, 
then contact a qualified service representative.
Sleep
 
						

							Using the Control Panel264
The product is currently in power-save mode. This mode is canceled when the product 
receives job data or the  Reset button is pressed.
Toner Cart Error uuuu
A read/write error has occurred for the indicated toner cartridges. Cyan (C), Magenta (M), 
Yellow (Y), or Black (K) appear in place of uuuu. Remove the toner cartridges and reinsert 
them. If that fails to clear the error, replace the toner cartridges.
To install the indicated cartridges. See Toner Cartridge on page 278.
Unable Clear Error
The product cannot clear an error message because the error status still remains. Try 
solving the problem again.
uuuu Toner Low
This message indicates that the toner cartridge for the indicated color is near the end of its 
service life. Cyan (C), Magenta (M), Yellow (Y), or Black (K) appear in place of uuuu. 
Prepare a new toner cartridge.
Warming Up
The product is warming up so that printing, copying, faxing, or scanning can be done.
Worn Fuser
This message indicates that the fuser unit has reached the end of its service life. Prepare 
a new fuser unit.
Worn Photoconductor
This message indicates that the photoconductor unit has reached the end of its service life. 
Printing after this message appears is not guaranteed. Turn the product off, then replace 
the photoconductor unit with a new one. See Photoconductor Unit on page 281 for 
instructions. The error clears automatically after you replace the unit and close the printer 
covers.
Worn uuuu Dev Unit
The developer unit for the indicated color has reached the end of its service life. Cyan (C), 
Magenta (M), Yellow (Y), or Black (K) appear in place of uuuu. You can print after this 
message appears, but it is recommended to replace the developer unit. Contact your 
dealer and prepare a new developer unit.
Write Error ROM P
 
						

							Using the Control Panel265
The product is unable to write data to the ROM module correctly. You cannot remove the 
ROM P because the ROM P is a program ROM module. Contact your dealer.
Writing ROM P
The product is writing data into the ROM module in the ROM slot P.
Wrong Photoconductor
An inappropriate photoconductor unit is installed. Install only the photoconductor unit listed 
in Consumable products on page 29.
See Photoconductor Unit on page 281 for instructions on replacing the photoconductor 
unit.
Wrong Toner uuuu
An inappropriate toner cartridge is installed. Install only the toner cartridge listed in 
Consumable products on page 29.
See Toner Cartridge on page 278 for instructions on replacing the toner cartridge. Cyan 
(C), Magenta (M), Yellow (Y), or Black (K) appear in place of uuuu.
wwww Open
The specified cover (wwww) does not close securely. Open the cover once, then close it.
Scanner error messages
ADF jam
A paper jam occurred at the Auto Document Feeder. This error also occurs when the 
product is turned off during a scan job.
Net connection failed
Unable to normally connect to a computer on the network in Scan mode. The product is not 
connected with the computer, or Event Manager is not installed on the computer.
PC connection failed
Unable to normally connect to a computer via USB interface in Scan mode. The product is 
not connected with the computer or Event Manager is not installed on the computer.
Release Carriage Lock
 
						

							Using the Control Panel266
An error occurred when you set the transportation lock to the   locked position. To clear 
the error message on the LCD panel, set the transportation lock to the   unlocked 
position, and then turn on the product again or press the xB&W Start or xColor Start 
button to restart the scanning job.
Scanner Cover Open
The ADF cover is opened.
Scanner error
An error occurred in the scanner unit. Turn off the product, and then turn it on again several 
minutes later. If the error occurs again, contact your dealer or a qualified customer support 
person for assistance.
Fax error messages
Cannot Fax cause of Power Off Report
An error occurs if you perform fax transmission when a power off report cannot be printed 
after turning on the product.
Cannot Send when Receiving
An error occurs when you perform fax transmission while receiving a fax.
Fax Communication Error
A fax communication error occurred during transmission due to some cause.
Fax Error
An error occurred in the fax unit. Turn off the product, wait several minutes and then turn it 
on again. If the error occurs again, contact your dealer or a qualified customer support 
person for assistance.
Need More Memory
Unable to perform fax transmissions or receptions due to insufficient memory in the 
product. Wait until the fax jobs stored in the memory are finished, and then try 
transmission/reception again.
No Report Print Info.
This message appears when you specify printing a report or list that does not exist in the 
Printing Report menu in Fax mode.
 
						

							Using the Control Panel267
Please Wait
This message appears until a carriage lock is completed.
Set Document to ADF
This message appears when you set a legal size document on the document table for fax 
transmission. Legal size documents can only be used in the Auto Document Feeder.
Unable to Send
Unable to perform fax transmissions. This message appears when you send a fax 
manually or a color fax transmission fails. When sending a fax using the memory 
transmission function, the message does not appear.
Unable to Transmit Color Fax
For color fax transmission, this message appears when fax transmission cannot be 
performed while receiving a fax. When the recipient’s fax machine supports only 
black-and-white faxes, this message does not appear since a color fax is transmitted as a 
black-and-white fax. 
Copier error messages
Document Error
This message appears when you set an original that is not supported by the product.
Need More Memory
Unable to copy due to insufficient memory of the product. Wait for a few minutes until the 
current copy job is finished and try copying again, or add more memory.
When you place multiple documents on 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 a memory 
module so that the total memory size is 256 MB or higher.
System error messages
Optional RAM error
A memory access error occurred. Check if the optional memory is installed correctly, and 
then turn on the product again. If the error occurs again, contact your dealer or a qualified 
customer support person for assistance.
 
						

							Using the Control Panel268
Service Req Cffff/Service Req Exxx
A controller error or a print engine error has been detected. Turn off the printer. Wait at 
least 5 seconds, then turn it back on. If the error message still appears, write down the error 
number listed on the LCD panel (Cffff/Exxx), turn off the printer, unplug the power cord, 
then contact a qualified service representative.
 
						

							Installing Options269
Chapter 12 
Installing Options
Optional Paper Cassette Unit
For details about the paper types and sizes that you can use with the optional paper 
cassette unit, see Optional 500-Sheet Paper Cassette Unit on page 35. For 
specifications, see Optional 500-Sheet Paper Cassette Unit on page 365.
Handling precautions
Always pay attention to the following handling precautions before installing options:
The product weighs about 33.1 kg (73 lb), excluding consumable products. One person 
should never attempt to lift or carry it alone. Two people should carry the product, lifting it 
from the positions shown below.
w
Warning:
Use much care since the rear side of the product is heaver. If you lift the product incorrectly, 
you could drop it and cause injury.
c
Caution:
Before transporting the product, make sure the transportation lock on the left side of the 
document table is set in the   locked position. See Scanner parts on page 26.
Installing the optional paper cassette unit
Follow the steps below to install the optional paper cassette unit.
 
						

							Installing Options270
1. Turn the product off and unplug the power cord and interface cable.
2. Take the optional paper cassette unit out of the cardboard box, then remove the 
protective originals in the cassette.
3. Place the optional paper cassette unit where you intend to set up the product. Then, put 
the product onto the optional paper cassette unit. Align each of the product’s corners 
with those of the unit, then lower the product until it rests securely on the unit.
a. hole
b. projection
w
Warning:
Use much care since the rear side of the product is heaver. Two people should lift the 
product by the correct positions.
Note:
The product and optional paper cassette unit are heavy so it is necessary to carry them 
separately when you transfer them.
b a