Epson EcoTank ET-4850 printer

Category
Printers
Model number
ET-4850
Region
United States and Canada
Manual
CPD-60205 revision CPD-60205R1
Verified

Error codes

CodeMeaningChecks
Printer error. Turn on the printer again.A general printer error is shown on the LCD screen.1 causes
Paper out in XX.The named paper cassette is empty.Checks
Paper Setup Auto Display is set to OffAirPrint needs the Paper Setup Auto Display setting turned on.Checks
No dial tone is detected.The product cannot detect a dial tone for fax.1 causes
Borderless ink pad nearing end of service lifeThe borderless printing ink pad is close to the end of its service life. The message stays until the pad is replaced.Checks
Borderless ink pad at end of service lifeThe borderless printing ink pad is full. Operations that use no ink, such as scanning, still work.Checks
Update the root certificateThe root certificate for cloud services is out of date.Checks
IP address and subnet mask combination is invalidThere is a problem with the network connection to the product.Checks
Check that the printer driver is installed on the computer and that the port settings are correctThe computer cannot send the job to the product.Checks
Recovery modeAn error occurred during a firmware update.Checks
Replace the maintenance boxA message on the LCD screen asks you to replace the maintenance box, which stores surplus ink from printing and print head cleaning. When it is full, printing and print head cleaning stop; scanning still works.2 causes
Maintenance box status iconThe icon displays the maintenance box status.Checks
Network status iconsShow whether the product is on Ethernet, Wi-Fi or Wi-Fi Direct. Selecting the icon opens the network setup.3 causes
Setting problem iconThere is a problem with the indicated setting.Checks
Quiet Mode iconQuiet Mode is on or off. When on, noise is reduced during printing for some paper types and print qualities, and print speed may also be reduced.Checks
Power light flashingThe product is cleaning the print head or charging it after the first ink fill. The light stays on when the cleaning cycle finishes.2 causes
Received fax light flashingReceived faxes have been temporarily saved to the product's memory.Checks
E-1 (network report)The report says to confirm that the network cable is connected and network devices are on.Checks
E-2, E-3 or E-7 (network report)No wireless network name (SSID) was found, or the entered key does not match the router or access point.2 causes
E-5 (network report)The security mode on the router does not match the printer's setting.Checks
E-6 (network report)The MAC address of the printer may be filtered.Checks
E-8 (network report)An incorrect IP address is assigned to the printer.Checks
E-9 (network report)The connection and network setup of the computer or other device needs confirming. Connection using EpsonNet Setup is available.Checks
E-10 (network report)The IP address, subnet mask and default gateway setup needs confirming.1 causes
E-11 (network report)The TCP/IP setup is incomplete. Confirm the default gateway setup.Checks
E-12 (network report)The security key, key index, IP address, subnet mask or default gateway setup needs confirming.2 causes
E-13 (network report)The security key, key index, or the connection and network setup of the computer or device needs confirming.2 causes
Wi-Fi environment needs to be improvedThe Wi-Fi signal or environment is poor.Checks
No more devices can be connectedThe Wi-Fi Direct (Simple AP) limit of 8 devices is reached.Checks
Same SSID as Wi-Fi Direct existsA nearby network has the same name as the product's Wi-Fi Direct network.Checks

Epson codes on other models

Paper out in XX.

Paper out in XX. The named paper cassette is empty.

  1. Load paper in the specified cassette.

Source Source: Product Status Messages, p. 261

Paper Setup Auto Display is set to Off

Paper Setup Auto Display is set to Off. Some features may not be available. AirPrint needs the Paper Setup Auto Display setting turned on.

  1. Turn on the Paper Setup Auto Display setting to use AirPrint.

Source Source: Product Status Messages, p. 261

Borderless ink pad nearing end of service life

The printer's borderless printing ink pad is nearing the end of its service life. It is not a user-replaceable part. Please contact Epson support. The borderless printing ink pad is close to the end of its service life. The message stays until the pad is replaced.

  1. To resume printing, select OK.
Epson America technical support Contact Epson for support. Contact: (562) 276-4382 or epson.com/support.

Source Source: Product Status Messages, p. 261

Borderless ink pad at end of service life

The printer's borderless printing ink pad has reached the end of its service life. It is not a user-replaceable part. Please contact Epson support. The borderless printing ink pad is full. Operations that use no ink, such as scanning, still work.

  1. Turn the product off.
Epson America technical support Contact Epson for support. Contact: (562) 276-4382 or epson.com/support.

Source Source: Product Status Messages, p. 262

Update the root certificate

To use cloud services, update the root certificate from the Epson Web Config utility. The root certificate for cloud services is out of date.

  1. Open the built-in Web Config utility. See Open the Web Config utility.
  2. Update the root certificate for the product.

Source Source: Product Status Messages, p. 262

IP address and subnet mask combination is invalid

The combination of the IP address and the subnet mask is invalid. See your documentation for more details. There is a problem with the network connection to the product.

  1. Use the solutions in the network sections of this guide.

Source Source: Product Status Messages, p. 262

Check that the printer driver is installed on the computer and that the port settings are correct

Check that the printer driver is installed on the computer and that the port settings for the printer are correct. The computer cannot send the job to the product.

  1. In the printer driver, click Print Queue on the Maintenance tab.
  2. Choose Property > Port from the Printer menu and select the port correctly: USBXXX for a USB connection or EpsonNet Print Port for a network connection.

Source Source: Product Status Messages, p. 262

Recovery mode

Recovery mode / Update Firmware. An error occurred during a firmware update.

  1. Connect the product to the computer with a USB cable.
  2. Run the firmware update again.
Epson America technical support If the message returns, contact Epson for support. Contact: (562) 276-4382 or epson.com/support.

Source Source: Product Status Messages, p. 262

Maintenance box status icon

Maintenance box status icon on the LCD screen. The icon displays the maintenance box status.

Setting problem icon

Setting problem icon on the LCD screen. There is a problem with the indicated setting.

  1. Select the icon to resolve the problem.

Source Source: Status Icon Information, p. 22

Quiet Mode icon

Quiet Mode icon on the LCD screen. Quiet Mode is on or off. When on, noise is reduced during printing for some paper types and print qualities, and print speed may also be reduced.

  1. Select the icon to turn Quiet Mode off if printing is slow.

Source Source: Status Icon Information, p. 22

Received fax light flashing

Received fax light flashing, or a numbered icon above the fax data icon. Received faxes have been temporarily saved to the product's memory.

  1. View the received faxes on the LCD screen.
  2. Delete the faxes you have read to free memory.

Source Source: Checking Fax Status; Storing and Viewing Received Faxes, pp. 202–204

E-1 (network report)

E-1 at the top of the network connection report. The report says to confirm that the network cable is connected and network devices are on.

  1. Turn on the router, access point or hub and connect the network cable securely to the device and the product.
  2. If you are setting up Wi-Fi, take out the network cable and start the Wi-Fi setup again. Ethernet and Wi-Fi cannot be connected together.

Source Source: Network Connection Report Codes and Messages, p. 48

E-5 (network report)

E-5 at the top of the network connection report. The security mode on the router does not match the printer's setting.

  1. Change the router's security to WEP-64 bit (40 bit), WEP-128 bit (104 bit), WPA PSK (TKIP/AES), WPA2 PSK (TKIP/AES), WPA (TKIP/AES), WPA2 (TKIP/AES) or WPA3-SAE (AES), then reset the product's network settings.
  2. Connect to the 2.4GHz band and use the password for that band.

Source Source: Network Connection Report Codes and Messages, p. 50

E-6 (network report)

E-6 at the top of the network connection report. The MAC address of the printer may be filtered.

  1. Read the MAC address from the network connection report and register it on the router or access point.
  2. For shared authentication with WEP, check the authentication key and index.
  3. If the router caps the number of devices, raise the cap.

Source Source: Network Connection Report Codes and Messages, p. 50

E-8 (network report)

E-8 at the top of the network connection report. An incorrect IP address is assigned to the printer.

  1. With Obtain IP Address set to Auto, enable DHCP on the router or access point.
  2. With it set to Manual, the address may be out of range or on another segment: set a valid one on the control panel or in Web Config.
  3. Alternatively turn the product and the router or access point off, wait about 10 seconds and turn them on.

Source Source: Network Connection Report Codes and Messages, p. 50

E-9 (network report)

E-9 at the top of the network connection report. The connection and network setup of the computer or other device needs confirming. Connection using EpsonNet Setup is available.

  1. Turn on the computer or network device and check that it reaches the internet and other devices on the same network.
  2. If the product still does not connect, switch the router or access point off, wait about 10 seconds and on again.
  3. Download and install the product software again to reset the network settings.

Source Source: Network Connection Report Codes and Messages, p. 51

E-11 (network report)

E-11 at the top of the network connection report. The TCP/IP setup is incomplete. Confirm the default gateway setup.

  1. Check that the default gateway address on the network connection report is right.
  2. Switch on the device that is set as the default gateway.

Source Source: Network Connection Report Codes and Messages, p. 51

Wi-Fi environment needs to be improved

The Wi-Fi environment needs to be improved. Turn the wireless router off and then turn it on. The Wi-Fi signal or environment is poor.

  1. Bring the product closer to the router or access point and clear obstacles.
  2. Turn the router or access point off, wait about 10 seconds, then on.
  3. If it still does not connect, read the router documentation.

Source Source: Network Environment Messages, p. 53

No more devices can be connected

*No more devices can be connected. Disconnect one of the connected devices if you want to add another one. The Wi-Fi Direct (Simple AP) limit of 8 devices is reached.

  1. Disconnect a connected device before adding another.

Source Source: Network Environment Messages, p. 53

Same SSID as Wi-Fi Direct exists

The same SSID as Wi-Fi Direct exists in the environment. Change the Wi-Fi Direct SSID if you cannot connect a smart device to the printer. A nearby network has the same name as the product's Wi-Fi Direct network.

  1. Change the Wi-Fi Direct SSID.

Source Source: Network Environment Messages, p. 53

Problems

Message asks to reset ink levels

The LCD screen asks for an ink level reset. It can appear even when ink remains in the tanks. Source: Message Appears Prompting You to Reset Ink Levels, p. 263

  1. Refill all tanks, or those named on the screen, up to the top. See Refill the ink tanks.
  2. Select the colours you refilled.
  3. Follow the LCD screen instructions to reset the ink levels.

Printed image is inverted

A mirror setting is on. Source: Inverted Image, p. 284

  1. Turn off mirror or inversion settings in the printing application.
  2. Turn off Mirror Image, Flip horizontally or Reverse page orientation in the printer software; the option name depends on the operating system.

Too many copies print

The Copies setting is above one. Source: Too Many Copies Print, p. 284

  1. Check the Copies setting in the printing program and printer software.

Printer does not appear in the Mac printer window

The product needs a restart, a WPS window was missed, or software is incomplete. Source: Product Does Not Appear in Mac Printer Window, p. 270

  1. Turn the product off, wait 30 seconds and on.
  2. If you connect with WPS and the Wi-Fi icon is not lit, select a WPS option on the control panel within 2 minutes of pressing the router's WPS button.
  3. If you connect with EpsonNet Setup and the Wi-Fi icon is not lit, check that the product software installed correctly and reinstall it if needed.

Wireless connection is unstable on a Mac

A device on a Mac USB 3.0 port interferes with wireless. Source: Wireless Network Connection is Unstable on a Mac, p. 271

  1. Move the device on the USB 3.0 port further from the Mac.

Wired network connection is unstable or slow

The router or access point supports IEEE 802.3az (Energy Efficient Ethernet), which can make the connection unstable or slow. Source: Wired Network Connection Becomes Unstable, p. 271

  1. Turn off IEEE 802.3az for the product. See Turn off IEEE 802.3az for the printer.

Printer makes noise but nothing copies

Nozzles are clogged, software is wrongly installed or the product is tilted. Source: Product Makes Noise, But Nothing Copies, p. 275

  1. Run a nozzle check and clean the print head if needed. See Run a nozzle check from the control panel.
  2. If the nozzle check page does not print but power is on, check the product software installation.
  3. Make sure the product is level.

Scanning is slow

The resolution is high or the computer is short of resources. Source: Scanning is Slow, p. 297

  1. Scan at a lower resolution where possible.
  2. Check the system requirements; increase memory or lower the resolution.

Cannot send scans to a cloud service

The computer, login or service is unavailable. Source: Cannot Send Scans to a Cloud Service, p. 298

  1. Check that the computer is online.
  2. Check the cloud service login information.
  3. Check the service's website for maintenance.

Cannot receive faxes with a telephone connected

The telephone is on the wrong port or Receive Mode is wrong. Source: Cannot Receive Faxes with a Telephone Connected to Your Product, p. 305

  1. Connect the telephone to the product's EXT port.
  2. Set Receive Mode to Manual.
  3. When you answer a call that is a fax, wait for the LCD screen to say a connection has been made before you hang up.

Sent fax arrives in the wrong size

The original is wrongly placed or the glass is dirty. Source: Sent Fax is Received in an Incorrect Size, p. 307

  1. For a fax from the scanner glass, place the original correctly and select the right paper size on the control panel.
  2. Clean the scanner glass and document cover.

Received fax is not printed

A product error such as a paper jam blocks printing, or the faxes are saved in memory. Source: Received Fax is Not Printed, p. 307

  1. Clear any error, such as a paper jam.
  2. If faxes are saved to the product's memory or inbox, they are not printed automatically; check Receive Settings on the control panel and change them if needed.

Printer makes noise while it sits idle

The product is performing routine maintenance. This is normal. Source: Product Makes Noise When It Sits for a While, p. 275

How-to

Maintenance

Cartridges and ink

ColourPart numberYieldApplies toSource
Black502120–All listed numbers Source: Ink Bottle and Maintenance Box Part Numbers, p. 215
Cyan502220–All listed numbers Source: Ink Bottle and Maintenance Box Part Numbers, p. 215
Magenta502320–All listed numbers Source: Ink Bottle and Maintenance Box Part Numbers, p. 215
Yellow502420–All listed numbers Source: Ink Bottle and Maintenance Box Part Numbers, p. 215
Maintenance boxT04D100–All listed numbers Source: Ink Bottle and Maintenance Box Part Numbers, p. 215

Specifications

EcoTank all-in-one with a paper cassette, an automatic document feeder, a fax function, Wi-Fi and Ethernet, and an LCD screen. Epson's ET-4850 User's Guide (CPD-60205) reports faults as messages on the LCD screen and as status icons. Source: Product Parts, Control Panel Buttons and Lights, Product Status Messages, pp. 15–22, 261

A full maintenance box stops printing and print head cleaning until you replace it; scanning and other jobs that use no ink still work. The maintenance box is a user-replaceable part, part number T04D100. Source: Maintenance Box Replacement, p. 221

The ink bottle part numbers are 502120 (black), 502220 (cyan), 502320 (magenta) and 502420 (yellow). Source: Ink Bottle and Maintenance Box Part Numbers, p. 215

The borderless printing ink pad is a separate, non-replaceable part. Its messages route to Epson support. Source: Product Status Messages, pp. 261-262

Dimensions, stored (H x W x D)9.1 x 14.8 x 13.7 inches (231 x 375 x 347 mm) Source: Dimension Specifications, p. 318
Dimensions, printing (H x W x D)10 x 16.4 x 19.8 inches (255 x 417 x 503 mm) Source: Dimension Specifications, p. 318
Weight14.8 lb (6.7 kg) without ink or power cord Source: Dimension Specifications, p. 318
Power supply100 to 240 V rated, 90 to 264 V input, 50/60 Hz, rated current 0.4 to 0.2 A Source: Electrical Specifications, p. 319
Power consumption (USB connection)Standalone copying approximately 12 W; ready mode approximately 5.4 W; sleep mode approximately 1 W; power off mode approximately 0.2 W Source: Electrical Specifications, p. 319
Operating environmentTemperature 50 to 95 °F (10 to 35 °C); humidity 20 to 80% RH without condensation Source: Environmental Specifications, p. 319
Wi-FiIEEE802.11 b/g/n on 2.4 GHz; infrastructure mode and Wi-Fi Direct (Simple AP); WEP (64/128 bit), WPA-PSK (TKIP), WPA2-PSK (AES) and WPA3-SAE (AES) security Source: Network Interface Specifications, p. 320
Ethernet10BASE-T and 100BASE-TX through an RJ-45 connector; use a category 5e or higher STP cable Source: Network Interface Specifications, p. 320
Wi-Fi Direct device limitUp to 8 devices Source: Wi-Fi Direct Mode Setup, p. 42
USB interfaceHi-Speed USB; USB 3.0 cables are not supported Source: Interface Specifications, p. 319
Automatic document feederLetter, A4, Legal or 8.5 x 13 inches (216 x 330 mm) plain paper, 17 lb (64 g/m2) to 25 lb (95 g/m2); approximately 30 sheets of Letter or A4, 10 sheets of Legal or 8.5 x 13 inches Source: Automatic Document Feeder (ADF) Specifications, pp. 316-317
ScannerFlatbed colour scanner, CIS sensor, 1200 dpi main scan and 2400 dpi sub scan, scanner glass Letter or A4 Source: Scanning Specifications, p. 316
FaxITU-T Super Group 3, up to 33.6 kbps, standard analog or PBX phone line, page memory up to 100 pages Source: Fax Specifications, p. 317
Ink storage-4 to 104 °F (-20 to 40 °C); ink freezes at 5 °F (-15 °C) and is usable after approximately 2 hours at 77 °F (25 °C) Source: Ink Specifications, p. 318

Recalls

No exact-model match for ET-4850 in the U.S. Consumer Product Safety Commission recall database, checked . Recalls can name model families, so also check current recalls for Epson.

Service contact

Epson America technical support: (562) 276-4382, epson.com/support. United States, 6 AM to 8 PM Pacific Time, Monday through Friday, and 7 AM to 4 PM Pacific Time, Saturday. Canada: (905) 709-3839, same hours (epson.ca/support). Source: Where to Get Help, p. 310

Sources

  1. User's Guide, ET-4850. Epson America, Inc. Document CPD-60205, revision CPD-60205R1, 333 pages, en-US. files.support.epson.com (PDF). Listed on the manufacturer's support page. Retrieved 13 November 2026.

Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.

Applies to
ET-4850. United States and Canada.
Source
User's Guide, ET-4850, CPD-60205 revision CPD-60205R1
Last verified

All Epson handbooks. Report an error to hello@modelhandbook.com.