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Fixes and tips for the Epson 4800 large format printers

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Fixes and tips for the Epson 4800 large format printers

Problems with the SP 4800?



Assorted info we’ve come across for sorting problems with the Epson 4800 printer.

We’ll add new info as we find it.

We now have a full review of the 4880 on the site.

Epson SP4800

4800 Maintenance request (MNT REQ 0088 code)

MNT REQ 0088 refers to the printer clock/clock battery/time. If this fails, it causes the printer to request a Power Clean every time you switch it on

First reset the clock, either via the printer controls or using the LFP remote panel.

If this doesn’t work then a battery replacement is needed.

4800 Maintenance request (MNT REQ 0002 code)

The Carriage Return Motor or CR Motor has reached the end of its life and should be replaced.

Warning: Service mode can cause damage to your printer, use only if you are happy with what you are doing. This info is very much supplied to be used at your own risk

To reset the CR Motor count, you have to enter “Service Mode 2″.

1. Power down Epson 4800.
2. Hold down the Pause, down and menu buttons.
3. Switch on the Epson 4800 while holding down the three buttons.
4. Continue to hold the buttons down until display shows “Service Mode 2″.
5. Use the up and down arrows to navigate to the clean counts.
6. Locate the CR Motor count.
7. You should see an “Exec” on the screen.
8. Use the right arrow to select “Exec”.
9. Press the menu right arrow one more time to execute the clear command.
10. Power off and then on again. The error 0002 should be cleared.

Note that this is really a temporary fix, the motor does have a limited lifetime.

Clearing paper jams from your Epson 4800 (not exactly difficult ;-)

Sometimes it’s possible for roll paper to get jammed in the 4800. When this happens, printing will stop and the LCD will display ‘PAPER JAM’. The real thing to look for if this persists is small paper scraps, or fluff from some cotton rag papers. If you turn off the printer and take the cover off, it’s relatively easy to check the paper feed path

When testing printers, I’ve also had problems with small items falling from a shelf above a printer – easier to happen than you’d think. These bigger printers shake quite a lot – far more than typical desktop ones.

A field repair guide is available, but unfortunately, Epson asked us not to include links on this page any more.

Clogging

A perrenial discussion topic on the forums.

Two things exacerbate the problem

  • Lack of use
  • Dry Atmosphere

For the first – either leave your printer switched on, or set a diary reminder to turn it on once a week. Yes, this will use some ink, probably less than all those cleaning cycles you might need.

For the dry atmosphere – look for ways of keeping the humidity up around the printer. I’ve heard of people keeping moist sponges in containers inside the printer when not in use, but be careful. If you’re like me you’re going to forget it’s there one day. Fortunately I live in the somewhat more humid UK…

See these interesting observations about turning off a 4800 for a longer period in Oregon.

Cleaning dried ink

You really only need to check out the household products line at your local supermarket ;-)

I’ve written a short guide about ‘cleaning inkjet printers

Fixing broken ink cartridge chip sensors for the 4800, 7800, 9800, 4880, 7880, 9880

A common problem that, if you look at the service manual, suggests that you need to remove a significant chunk of the printer to get at the broken sensors.

If you are using non Epson carts or chips, then the sensor assembly is easily damaged.

This thread at DPReview contains several ways of replacing the sensors in-situ. It’s a bit fiddly, but can save a lot of effort.

More print related information

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