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I have on a number of occasions not used my Canon Pixma Pro 100 printer for over a month, with no clogged print head. This printer uses dye ink, which is much better with resisting clogs than pigment ink. Bob

What is the current operating system on your iMac? If it is the latest OS (Catalina OS 10.15.xx), it will not run software (including printer drivers) unless they are 64 bit. In that case you will need to download from Epson the latest 64 bit drivers for your R2880 printer. Epson drivers in...

Another option is to pry off the top of the maintenance cartridge (easy to do with a screwdriver). Then remove the ink saturated felt and replace with a stack of folded paper towels. Replace the plastic top and reset the chip on the maintenance cartridge. That way I recycle my maintenance...

Check inkjetmall.com. They have detailed refilling instructions for your printer. Bob

You may try inkjetmall.com. They sell ink that is very compatible with Epson. Bob

+1 to the Hat. You should have no problem. Leave the cartridges and print head installed. Just run a nozzle check when you fire up the printer again. I have left my Canon Pro 100 unused for several months and never had a problem.

What has worked on my 3880: 1. With the printer powered up 2. Open the cartridge door 3. Remove all ink cartridges 4. Wait for at least 30 seconds 5. Reinsert the cartridges, starting from the left 6. Close the cartridge door If all goes well, the printer should recognize all cartridges. Bob

You will probably need a resetter to reset the chips on Epson carts. Also some 60 ml syringes (slip luer type).

I do not see the lack of LLK ink in the resultant prints, however, I am creating my own profiles.

You can refill the Epson carts, as they do not have one way valves, like the carts for current Epson pro printers.

Good advice from Ink Stained Fingers. I have two Stylus Pro 4000 printers. They are built like tanks, but are clog queens unless they are used often. One nice feature about the Pro 4000 is that MK and PK ink is always available - no ink wasting switching for a black ink change. The trade off is...

The dripping of PK definitely points to a PK/MK valve problem. Most likely exercising of the valve will not solve the problem. I had the same issue with my 3880 and replaced the entire ink system (ink bay, ink lines, PK/MK valve & dampers). Now my printer is functioning as new. The ink system...

You did get an unbelievable deal on the Epson 3880 printer. It is worth some effort and modest expense to get the black inks flowing. My advice is to get a replacement maintenance cartridge and a new yellow cartridge, if needed. I would not buy 3rd party cartridges yet, instead purchase a...

Paul, There may be two possibilities: 1. When you detached the dampers, you may have got some air into the ink lines/dampers/printer head. Sometimes the air bubbles are difficult to remove without doing an initial fill. 2. With the missing spring and potentially other issues with your capping...

Paul, If you go the full route of replacing the pump/cap assembly and the ink system assembly, your cost will be $234 (US$) for parts, plus approximately $125 (US$) for ink and a maintenance cart expended. Replacing the pump/cap assembly is not very difficult, but the ink system assembly is...

I doubt if Epson will sell you repair parts. Another source for Epson parts, is compassmicro dot com. What you may need is the pump, cap assembly w/wiper @ $62.10. From your description, it appears that the cap assembly is not making proper contact with the printer head. Epson provides this...

Joe, I have the 3880 service manual. Send me your email address and I'll send you a copy. Bob

I have used Compass Micro for printer parts, most recently for my Epson 3880. Great company with good service. Bob

Ian, I had the same problem with my 3880 (PK leaking ink). I replaced the ink system (cartridge bay, ink lines, dampers and PK/MK switching system). The problem is now fixed. My 3880 is now functioning as new. Bob

I'm not sure that you have a purge pump problem. On my 1400 when I puddle the parking pad, the fluid drains within 10-15 seconds and the purge pump appears to function normally. Bob