✓ Royal Mail Authorised Inspector since 2008 | Trading since 2005

Mailsend Essential – Smart Blue Mailmark Franking Machine
A Mailcoms-branded Mailmark franking machine designed for UK businesses sending up to 100 letters per day. Royal Mail approved smart blue ink, 5,100 impressions per cartridge.
- Posting volume up to 100 letters/day
- Mailmark ready (best rates)
- 5,100 impressions per cartridge
- Same-day despatch on supplies
- Royal Mail approved smart blue ink
- UK-based support included
Mailsend Essential specs
Everything you need to compare the Mailsend Essential against other Mailmark franking machines.
Supplies for the Mailsend Essential
All Royal Mail approved, with same-day despatch on stocked supplies. Add to basket and check out securely.
How to change the ink on a Mailsend Essential
Changing the ink takes just a few taps on the touchscreen and needs no tools – your Mailsend Essential guides you through every step on screen.
Open maintenance
Tap the Settings icon in the global toolbar, then scroll down and tap Envelope Printer Maintenance.
Select replace ink
Follow the on-screen prompts and select Replace Ink Cartridge. Have your new Mailcoms cartridge ready to install.
Swap the cartridge
When the carriage moves into position, remove the old cartridge, then unwrap the new cartridge and push it in until it clicks securely into place.
Close & test
Close the cover and follow the on-screen prompts to finish. The machine runs a quick test print so you can check the new cartridge is installed correctly.
Important: only use approved ink
We have seen a rise in problems caused by third-party (non-approved) ink cartridges. To protect your machine and your service cover, always fit genuine Mailcoms, Royal Mail approved ink.
Non-approved ink can
- ✗Damage internal components
- ✗Invalidate your service cover
Genuine Mailcoms ink keeps
- ✓Covered parts and labour included
- ✓No unexpected repair costs
- ✓Complete peace of mind
Common Mailsend Essential error codes
The most-searched error codes for the Mailsend Essential. Tap any to jump straight to the fix.
Postage / funds error
A postage or funds communication error. Reconnect the machine and retry the transaction.
Read the full fix →Connection issue
A connection fault stops the machine reaching the data centre. Check the network and reconnect.
Read the full fix →Connection error
A network connection error. Check the connection and try the operation again.
Read the full fix →Commerce cloud not found
The machine cannot reach the data centre. Restart it and check the connection.
Read the full fix →Urgent / low battery
The internal battery is low. Follow the steps to clear the battery message.
Read the full fix →The Mailsend Essential cartridge is unique to this machine
If you are upgrading to a higher-volume Mailcoms machine, the cartridge changes. Browse compatible machines:
Get the Mailsend Essential
Buy it outright and it is yours to keep, or spread the cost with an all-inclusive lease. Most customers just buy it now.

Buy it now
Own your Mailsend Essential outright, with no monthly payments and no long contract to tie you in.
- A one-off purchase that is yours to keep
- No ongoing lease commitment
- Add optional service & ink cover only if you want it
- Royal Mail approved and Mailmark ready
Fast UK setup, usually back to you within 24 hours.
Prefer to spread the cost?
Lease the Mailsend Essential with all-inclusive cover instead.
- Maintenance included
- Free Royal Mail rate updates
- UK-based support
Frequently asked questions
What ink does the Mailsend Essential use?
The Mailsend Essential uses the Mailcoms own-brand Smart Blue Ink Cartridge (SKU: MC-MS-ESS). It is Royal Mail approved for Mailmark franking and prints around 5,100 impressions per cartridge.
How many impressions does a cartridge produce?
Each Mailsend Essential smart blue ink cartridge produces approximately 5,100 franking impressions.
Is the Mailsend Essential Mailmark approved?
Yes. The Mailsend Essential is fully Mailmark ready, so you always get the lowest available Royal Mail postage rates.
How long does the ink cartridge last?
A cartridge lasts around 5,100 impressions. For a business franking up to 100 items a day, that is typically several weeks of normal use.
Can I lease the Mailsend Essential with service cover?
Yes. You can lease the Mailsend Essential from £29.95 per month, which includes maintenance, free Royal Mail rate updates and 24-hour support.
Will postage rates update automatically?
Yes. The Mailsend Essential connects to the internet and downloads the latest Royal Mail rates automatically, so you are always charged the correct postage.

Not sure which franking machine you need?
Answer two quick questions about your mail and we will recommend the right Mailmark franking machine for your business.
How much do you send on a typical day?
What do you mainly send?
Not sure? Get a quick quote and our team will recommend the right machine for you.

See how much you could save
Enter what you send on a typical day and see your Mailmark savings versus stamps - per day, week, month and year.
How much do you send?
Enter the number of items you send on a typical day. Leave anything you do not send at 0.
Please note: savings are based on postage only and do not include the cost of buying, leasing or running a franking machine. Royal Mail prices effective .
