User's Guide

This section contains a list of error messages shown on the LCD panel, giving a brief description of each message and suggestions for correcting the problem. Note that not every message shown on the LCD panel indicates a problem. When the

mark is displayed at the right of the warning message, multiple warnings occur. To confirm all warnings that occur, press the

Down button to display the Status Menu, then press the

Enter button. The LCD panel also displays the amounts of remaining toners and available paper sizes.

The printer automatically calibrates itself. This is not an error message, and will clear itself after the calibration process has finished. While the printer displays this message, do not open the covers or turn off the printer.

The printer is canceling all print jobs in the printer memory, including jobs the printer is currently receiving or printing. This message appears when the

Cancel Job button has been pressed down for more than 2 seconds.

The printer is canceling the current print job. This message appears when the

Cancel Job button has been pressed and released within 2 seconds.

Make sure that the appropriate paper size is set and appropriate your printer driver is used.

The printer has encountered problems during duplex printing. Make sure you are using an appropriate type and size of paper for the Duplex Unit. The problem could also be a result of incorrect settings for the paper source you are using. Pressing the

Start/Stop button will print the rest of the print job on only one side of the paper. Press the

Cancel Job button to cancel the print job.

You have loaded media other than transparencies when the Paper Type setting in the printer driver is Transparency, or transparencies are loaded when the Paper Setting in the printer driver is not set to Transparency. Paper is jammed at the MP tray.

The paper size setting is different from the size of paper loaded in the printer. Check to see if the correct size of paper is loaded in the specified paper source.

The paper loaded in the printer does not match the paper type setting in the printer driver. Paper that matches only the paper size setting will be used for printing.

Open cover A and remove the transfer unit temporarily. Wipe the transparent plastic window on the density sensor at the back of the transfer unit with a soft cloth, then reinstall the transfer unit. Close cover A to clear this error.

Printing by specifying the number of copies is no longer possible due to a lack of memory (RAM) or free disk space on the optional Hard Disk Drive. If this error occurs, print only one copy at a time.

To clear this error, select Clear Warning from the control panel’s Reset Menu. For instruction about accessing the control panel menus, see How to access the control panel menus.

There is not enough memory for duplex printing. The printer prints only on the front and ejects the paper. To clear this error, follow the instructions below.

If Off is selected as the Auto Cont setting on the control panel’s Setup Menu, press the

Start/Stop button to print on the back of the next sheet, or press the

Cancel Job button to cancel the print job.

If On is selected as the Auto Cont setting on the control panel’s Setup Menu, printing continues automatically after a certain period of time.

The output paper at the face-down tray is full. Remove the paper that has been output, then press the

Start/Stop button. Printing resumes.

Unable to store form overlay data on the printer’s optional Hard Disk Drive. Either the drive is full, or the maximum number of form overlay files has been reached. Delete any form overlay files you no longer need, then try storing the new overlay again.

To clear this error, select Clear Warning from the control panel’s Reset Menu. For instruction about accessing the control panel menus, see How to access the control panel menus.

The printer is ejecting paper due to a user request. This message appears when pressing the

Start/Stop button once to make the printer offline, then holding down the

Start/Stop button for more than 2 seconds in order not to receive form feed command.

To clear this error, either press the

Start/Stop button or turn off the printer and remove the ROM module, then reinstall the ROM module. If that fails to clear the error, contact your dealer.

The optional Hard Disk Drive is full and you cannot save any data. Delete the unnecessary data from the Hard Disk Drive. To clear this error, select Clear Warning from the control panel’s Reset Menu. For instruction about accessing the control panel menus, see How to access the control panel menus.

There is insufficient memory to print the page at the specified print quality. The printer automatically lowers the print quality so that it can continue printing. If the quality of the printout is not acceptable, try simplifying the page by limiting the number of graphics or reducing the number and size of fonts.

Turn the Image Optimum setting off on the control panel’s Printing Menu if you do not want the printer to automatically lower the print quality to continue printing.

You may need to increase the amount of printer memory to be able to print at the desired print quality for your document. For more information on adding memory, see Memory Module.

There is no fuser unit installed or the fuser unit is not installed properly. Turn off the printer, then install the fuser unit if it is not installed.

If a fuser unit is already installed, turn the printer off and reinstall the unit after it has cooled off (30 minutes). Then open cover B. Remove the fuser unit, then reinstall it properly. Close cover B. The error clears automatically if the fuser unit is properly installed.

If the error is not cleared, the fuser unit is out of order. Replace it with a new fuser unit.

The paper tray of the standard paper cassette is not installed, or not installed properly. Install the paper cassette correctly to clear this error.

The paper tray of the optional 550-sheet paper cassette unit is not installed, or not installed properly. Install the paper trays correctly to clear this error.

The paper trays of the optional 1100-sheet paper cassette unit are not installed, or not installed properly. Install the paper trays correctly to clear this error.

There is no photoconductor unit installed or the photoconductor unit is not installed properly. Turn off the printer and install the photoconductor unit if it is not installed.

If a photoconductor unit is already installed, confirm cover D is closed. Otherwise, turn off the printer, open cover A, and then open cover D. Remove the photoconductor unit, then reinstall it properly. Close covers D and A. The error clears automatically if the photoconductor unit is properly installed.

There is no transfer unit installed or the transfer unit is not installed properly. Turn off the printer, then install the transfer unit if it is not installed.

If a transfer unit is already installed, turn off the printer, open cover A, then remove the transfer unit. Reinstall the unit properly, then close cover A. The error clears automatically if the transfer unit is properly installed.

The indicated toner cartridges are not installed in the printer. (The letters C, M, Y, or K appear in place of uuuu and indicate the colors Cyan, Magenta, Yellow, and Black respectively.)

This message means that the printer cannot communicate with the installed optional interface card. Turn off the printer, remove the card, then reinstall it.

Either the optional Hard Disk Drive is damaged or it cannot be used with this printer. Turn off the printer, then remove the Hard Disk Drive.

There is no network program, or the network program cannot be used with your printer. Contact a qualified service representative.

An optional P5C Emulation Kit that cannot be used on this printer is installed. Turn off the printer, then remove the module.

The PostScript3 ROM module is broken. Turn off the printer and contact your dealer.

The printer cannot read the installed optional ROM module. Turn off the printer, then remove the ROM module.

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.

Location	Description
Paper Jam AB	Paper is jammed at the fuser unit. For instructions on how to remove jammed paper at the fuser unit, see Paper Jam A B.
Paper Jam A	Paper is jammed at cover A. For instructions on how to remove jammed paper at cover A, see Paper Jam A.
Paper Jam CA	Paper is jammed cover A and the paper cassette. For instructions on how to remove jammed paper at the Duplex Unit, see Paper Jam C A.
Paper Jam B	Paper is jammed at cover B. For instructions on how to remove jammed paper at the MP tray, see Paper Jam B.
Paper Jam CAB	Paper is jammed at cover A, B, the paper cassette. For instructions on clearing this type of paper jam, see Paper Jam C A B.

Two 550-sheet paper cassette units are installed. Turn off the printer and remove one of them from the printer.

The manual feed mode is specified for the current print job. Make sure the paper size indicated by ssss is loaded, then press the

Start/Stop button.

The printer has insufficient memory to execute the current task. Press the

Start/Stop button on the control panel to resume printing, or press the

Cancel Job button to cancel the print job.

This message appears if you try to change the printer’s settings through the control panel when the buttons are locked. You can unlock them by using the Network utility. Refer to the Network Guide for information.

To prevent this problem from happening again, add more memory to your printer as described in Memory modules, or reduce the resolution of the image to be printed.

The installed toner cartridge is not a genuine Epson product. Installing a genuine toner cartridge is recommended. The printout and remaining amount of each toner cartridge displayed on the control panel may be different from those when using genuine EPSON toner cartridges. Epson shall not be liable for any damages or problems arising from the use of consumable products not manufactured or approved by Epson.

Install a genuine Epson product, or Clear All Warnings of the Reset Menu on the control panel to clear the warning message. See Toner Cartridge for instructions on replacing the imaging cartridge.

The installed toner cartridge is not an genuine Epson toner cartridge. The printout and remaining amount of each toner cartridge displayed on the control panel may be different from those when using genuine EPSON toner cartridges. Epson shall not be liable for any damages or problems arising from the use of consumable products not manufactured or approved by Epson. Installing a genuine toner cartridge is recommended. Press the

Start/Stop button on the control panel to resume printing.

The printer is not ready to print. Press the

Start/Stop button.
In this mode, the remaining amount of the toner cartridge for each color is displayed in seven levels.

The optional memory module may be corrupted or incorrect. Replace it with a new one.

There is no paper in the specified paper source (tttt). Load paper of the size (sssss) into the paper source.

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

Start/Stop button to resume printing, or press the

Cancel Job button to cancel the print job.

If you press the

Start/Stop button without replacing the paper, the printer will print on the loaded paper even though it does not match the required size.

Cover A, cover B, cover D, or some combination of these covers are open. To clear this error, close all covers.

The required time to process the print data exceeded the print engine speed because the current page is too complex. Press the

Start/Stop button to resume printing, or press the

Cancel Job button to cancel the print job. If this message appears again, select On as the Page Protect setting in the control panel’s Setup Menu or 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.

To avoid this error, it is recommended that you set the Page Protect setting to On and add more memory to the printer. See Setup Menu and Memory Module for details.

The memory allocated for writing PostScript 3 commands on the optional Hard Disk Drive is full.

To clear this error, select Clear Warning from the control panel’s Reset Menu, or remove the downloaded PS fonts to make room on the Hard Disk Drive. For instruction about accessing the control panel menus, see How to access the control panel menus.

The printer is ready to receive data and print.
In this mode, the remaining amount of the toner cartridge for each color is displayed in seven levels.

The photoconductor has reached the end of its service life. Turn off the printer, then replace the photoconductor unit with a new one. See Photoconductor Unit for instructions.

The error clears automatically after you replace the unit, then close all printer covers. The photoconductor service life counter is reset automatically.

When the error light is blinking, you can continue printing by pressing the

Start/Stop button. However, the print quality is not guaranteed from then on.

The indicated toner cartridges are out of toner and need to be replaced. (The letters C, M, Y, or K appear in place of uuuu and indicate the colors Cyan, Magenta, Yellow, and Black respectively.)

The transfer unit has reached the end of its service life. Turn off the printer, then replace the transfer unit with a new one. See Transfer Unit for instructions.

The error clears automatically after you replace the unit and close all printer covers. The transfer unit service life counter is reset automatically.

The printer cannot store the data of your print job using the Reserve Job function. The maximum number of print jobs stored on the printer’s Hard Disk Drive has been reached, or the drive has no more memory available to store a new job. To store a new print job, delete a previously stored job. Also, if you have any Confidential Jobs stored, printing those jobs will make more memory available.

To clear this error, select Clear Warning from the control panel’s Reset Menu. For instruction about accessing the control panel menus, see How to access the control panel menus.

The printer’s current interface has been reset and the buffer has been cleared. However, other interfaces are still active and retain their settings and data.

All printer settings have been reset to the default configuration, or to the last settings that were saved.

A control panel menu setting was changed while the printer was printing. Press the

Start/Stop button to clear this message. The setting will become effective 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.

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.

The printer is currently in the power-save mode. This mode is canceled when the printer receives print data or the Reset button is pressed. In this mode, the remaining amount of the toner cartridge for each color is displayed in seven levels.

A read/write error has occurred for the indicated toner cartridges (The letters C, M, Y, or K appear in place of uuuu and indicate the colors Cyan, Magenta, Yellow, and Black respectively.). Remove the toner cartridges and reinsert them. If that fails to clear the error, replace the toner cartridges.

The printer cannot clear an error message because the error status still remains. Try solving the problem again.

This message indicates that the toner cartridge for the indicated color is near the end of its service life. Prepare a new toner cartridge.

This message indicates that the fuser unit is near the end of its service life. Printing after this message appears is not guaranteed. Turn the printer off, then reinstall the unit after it has cooled off (30 minutes). Then replace the fuser unit with a new one. See Fuser Unit for instructions.

The error clears automatically after you replace the unit and close all printer covers.

This message indicates that the photoconductor unit is near the end of its service life. Printing after this message appears is not guaranteed. Turn the printer off, then replace the photoconductor unit with a new one. See Photoconductor Unit for instructions. The error clears automatically after you replace the unit and close the printer covers.

This message warns you that the transfer unit is near the end of its service life. You can continue to print until the Replace TransferUnit error message appears, but early replacement is recommended to maintain high print quality.

To clear this warning message and continue printing, select Clear All Warning from the control panel’s Reset Menu. For instruction about accessing the control panel menus, see How to access the control panel menus.

The developer unit for the indicated color is near the end of its service life. The letters C, M, Y, or K appear in place of uuuu and indicate the colors Cyan, Magenta, Yellow, and Black respectively. Contact your dealer.

This message indicates an internal error in the printer. Reset the printer. If this error persists, consult your dealer.

This message indicates that a ROM module in the slot is being written. Please wait until this message disappears.

An inappropriate photoconductor unit is installed. Install only the photoconductor unit listed in Consumable products.

An inappropriate toner cartridge is installed. Install only the toner cartridge listed in Consumable products.

See Toner Cartridge for instructions on replacing the Toner cartridge. (The letters C, M, Y, or K appear in place of uuuu and indicate the colors Cyan, Magenta, Yellow, and Black respectively.)