User manual for ETR mercury 130w




 Switch on                             Display  1………………….

Press total                           Displays 0.00

Enter total  amount         (VAT inclusive)

Press  1                                  For VAT  Inclusive (16%)

Press  2                                  For NON VATABLE GOODS

Finish by Total

Duplicate receipts


For Duplicate Receipt                     Press SH and QTY Button

To Exit from mode                           Press SH then VD MODE



 Switch On

Press Vd Mode Button Till It        Displays 3……………….

Press Total                                          Displays 0

Press Total Again                              Displays 00

Press 00 As Displayed


4.Making  Monthly Report


Switch On

Press Vd Mode Button Till            Displays  5……………

Press Total                                          Displays  F      0

Presss 11 Stbl                                     Displays  D-B(N   0)

Input Start Date                                (DDMMYY)

Press Qty Displays                           D – End    0

Input End Date                                  (DDMMYY)

Finish By Pressing                            VD MODE

click download below to get the manual in pdf

etr machine user manualMERCURY-USER-MANUAL

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  1. Hi. Trying to raise and ETR but getting Err 38. What is the issue?

    1. Kindly generate the daily z report

  2. Hi how do I set the date for my etr mercury 130W?

    1. caNeed to be brought to our workshop call 0726 106 253

  3. My etr just lost the header. No business name pin and address are missing. How should I go about it please?

    1. Need to be brought to our workshop call 0726 106 253

  4. My Mercury 130W printer is displaying bat Err, does it mean the battery is fault ama?

    1. cmos battery is drained call 0790394995

  5. Hoe do i change currency from KES to USD?

    1. does not support foreign

  6. Can one reverse a wrong entry into the ETR machine?

    1. No!
      Reproduce the same enrty or the correct entry and write a credit note letter to KRA

  7. Tony Mutune Thank you, you are helping soo many people here, and for free, you must be the owner of mercury… I have learned a lot on your replies. Thank you again

    1. Welcome Benard

  8. How do i change the price on my mercury 130w

    1. Price kindly call 0790394995


    1. Press SH and 9

  10. How can i change the KRA pin on mercury

    1. Call 0790394995

  11. How can i change the KRA pin on mercury

    1. Call 0790394995

  12. How do I insert a new etr paper for 130w

    1. Open the transparent lid on the top of the machine

  13. Hello, Kindly we tried producing an etr receipt for goods worth KSh.40,800 but the receipt has produced a total of 122,400 showing Dept 01 three times with the Ksh.40,800. Kindly assist

    1. You will be required to raise the ETR receipt again

  14. My etr colour on receipt has fainted what can I do

    1. Charge your ETR for 4Hrs

  15. Hello. How do you extract an ETR receipt for a Sales Return (Credit Note)

    1. No the machine does not support the function

      1. so what do i do when there is a credit note and the machine doesnt support the function?? how will i reduce my turnover

        1. The machines do not support the function, you will be reuired to write a credit note letter to KRA

  16. How do you produce a duplicate receipt of a receipt that was done earlier that month

    1. Earlier Printed receipts cannot be reprint. The machine doesn’t back up receipts

  17. How do you back data mercury 130w

    1. Mercury does not back up data. Aclas CRBX does here

  18. how will i change my etr from 14% to 16%

    1. Kindly call 0790394995

  19. how will i change my etr from 14% to 16%

    1. Kindly call 0790394995

  20. My machine is displaying date only.I have tried switching off and it is still not working.How do I go about it please.

    1. Kindly call 0790394995

  21. My etr machine is not printing monthly report what could be wrong

    1. kINDLY CALL 0790394995

  22. EFD model 181 showing “memory full” and we are unable to extract data. What should we do?

    1. Visit us in Rahimutulla TRust Building. Opposite Bazaar Plaza. In Moi Avenue
      We are in First Floor room 16

    2. Kindly visit our offices in Nairobi Moi Avenue. Building Rahimutulla Trust building Opposite Bazaar Plaza

  23. I keep on getting an error when working on daily sales

    1. Which Error?

  24. Hello,
    i am new user of the mercury 130W ETR machine. Once i have generated my daily z report at the beginning of the day, how do i go back to make a sale or do i have to switch it off and on again.

    1. Press SH and Vdmode The machine will always show 3 …….., Then press Vdmode twice machine goes back to 1…….. then press total and you are sales mode

      1. Hi,
        after doing all that it still reads an error and i cant finish the sale. error 38

        1. Generate the daily Z report

  25. Hello, how do I change 16%-14%?

    1. Hello Kindly Call on 0790394995

  26. Hi how do I correct LSE Err

    1. Hello Grace your machine is broke kindly bring your machine at our workshop in Nairobi Moi avenue, Rahimutulla Trust Building First Floor Room 15.

    2. Or kindly contact us on the office no. 0790394995


    1. Depends on the way your machine is programmed. Kindly Press The button Vdmode to Mode 3, Price Total Twice and then 00

      Once done with Printing Press Sh & then VDmode Button , Machine displays …….., Press Vdmode to 4…….

      Press total machine shows 1 0, Press 4, Stl & Total, Press PY1 then total Press 2 , STL , & total, Press Vdmode to 1…… Your machine will have the exempt Settings

  28. How to cancel ETR receipt without passing credit note

    1. Kindly contact 0790394995

  29. How to change VAT from 16% -> 14% ,
    How to change DATE?

    Email :

    1. Kindly reach us @ 0790393995

  30. How do I change my omega mini etr machine vat

    1. CONTACT US @ 0725872744 OR 0790394995

  31. How to change the VAT to 14%. for blue machine


    1. Please Call us on 0790516038 for more guidance

  32. How to clear error 8 in Mercury

    1. Enter amounts less than Kshs 9,999,999

  33. How to clear error 24 in Mercury

    1. Hello Thanks for reaching out to Dejavu Technologies Limited. The Error 24 in Mercury 130W means your fiscal Memory is full and so needs replacement. There is a procedure followed which include:
      1. Write a request letter to KRA that you need to change your fiscal Memory.
      2. Its not a process because you write and then get a stamp the same day of presentation.
      3. Once you have all the documents then bring your machine to our main workshop in Nairobi, Moi Avenue , Rahimutulla Trust Building Opposite Bazaar Plaza.

  34. When I put the machine on it beeps and displays P End 1. Why?

    1. Insert a thermal roll paper.

    2. Means you need to add a new paper roll.

      1. Sorr, Come Up again

  35. How to change the VAT rate to 14% on etr machine mercury 130w

    1. Please contact us on 0725872744 or 0790516038 for assistance

  36. How do I change to english?

    1. Press sh and 9

  37. Hi how to change VAT from 16 – 14%?

    1. we will guiding over the phone on how to set the new VAT rates ,kindly give us a call and we will guide you accordingly,

  38. Hi, how do I change VAT from 16 -14%?

    1. we will guiding over the phone on how to set the new VAT rates ,kindly give us a call and we will guide you accordingly,

  39. How to change the VAT to 14%.

  40. Good afternoon, how will I change the Vat from 16% to 14%?

  41. How to change the VAT to 14%.

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