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La Marzocco Linea Micra maintenance: what the manual says

La Marzocco’s manual lists 11 maintenance jobs for the Linea Micra. Each is below with how often and the sentence it comes from.

What to do, and how often

Job How often The manual’s sentence
Backflush (detergent) Daily cleaning

“Insert the blind filter into to the portafilter and put the correct amount of espresso cleaning product (following the product’s instructions) into the filter, engage the portafilter into the Coffee group.”
Portafilter & basket soak Daily (cleaning-frequency table)

“Cleaning frequency Daily • Portafilter • Filter”
Drip tray empty & clean Every week

“Weekly • Water Reservoir • Drain Box”
Shower screen clean Daily cleaning

“Turn off the machine and remove the diffuser screen by unscrewing the diffuser screw.”
Steam wand purge & wipe Immediately after use

“Steam nozzles must be cleaned immediately after use with a damp cloth and by producing a short burst of steam so as to prevent the formation of deposits inside the nozzles themselves, which may alter the flavor of other drinks to be heated.”
Steam wand deep clean If milk residue is present

“If milk residue is present on the steam wand, soak the tip in a container of hot water, then it will be possible to wipe the tip clean.”
Water tank clean Every week

“Weekly • Water Reservoir • Drain Box”

Left to a technician

Job How often The manual’s sentence
Descale Every 4 years

“Check the condition of boilers and, if necessary, take them out for proper descaling.”
Group gasket replacement Every year

“Check/replace group gasket”
Professional service Every year

“1 year maintenance Check/replace group gasket”
Shower screen replacement Every year

“Check/replace diffuser screen”

The settings

Coffee brewing water temperature

“With the La Marzocco App it is possible to adjust the temperature of the coffee brewing water.”

Factory setting: not stated.

Steam boiler pressure

Range: 1.3 to 2 bar.

“With the La Marzocco App you can adjust the pressure of the steam boiler.”

Factory setting: 1.8 bar

“The steam boiler is set at approximately 1.8 Bar of pressure at the factory.”

Step-by-step guides

What the manual does not say

4 jobs with nothing stated
  • Backflush (water)
  • Boiler water change
  • Group head wipe / flush
  • Water filter / softener replacement
Notes from the research
  • The English Micra manual is only on La Marzocco USA's domain (home.lamarzoccousa.com); lamarzocco.com serves the French and IT-DE-ES-PT editions.
  • No water-filter cartridge or replacement interval, no boiler water change and no plain-water backflush are stated.
  • Group gasket, diffuser screen and boiler descaling come from a technician checklist, hence service_only.

Sources

Researched on .

Published: the sentence is on the maker’s own page or in the maker’s own document.

Community: the maker’s text, hosted somewhere else, usually by a retailer.