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. Kindly call 0111053100 or 0721 237 509


    1. Kindly call 0111053100 or 0721 237 509

  3. Hyy my machine says error 179 wat does that mean

    1. Kindly call 0111053100 or 0721 237 509

  4. Hi, after i have printed my daily z report and then i find that i haven’t etrd a particular amount. Is there a way i can etr that amount and print the z report again that has all the daily sales including the amount i etrd after i had printed the z report

    1. Hello Ivy, kindly reach out to our technical team on 0725 872 744 / 0704 829 450 for further assistance. ^BR

  5. hi, my etr showing ON rdy.. how do I correct it?

    1. The machine need to be serviced

  6. why my mercury 130 displaying SP WHEN POWERED ON

    1. SP means Service Password Contact us for more guidance on 0790394995

  7. My etr is producing p end 1 and yet have inserted the thermal roll

    1. What happens with this kind of sensors is?

      1. The printer head is broken and not detecting thermal paper or
      2. The machine itself is on-Hold boot process where the error is still on the RAM

      Try reboot the machine
      Press the arrow up button

      if that does not work then call Tony 0790394995

  8. Hello, How do i clear Battery Error for mercury 130W

    1. Need new Battery, Call 0790394995

  9. Hi my mercury etr is producing empty receipts what might be the problem

    1. Probably the printer head is worn out or the paper is not correctly inserted

  10. How do I change the language from swahili to English on the etr

    1. Press Sh+9

    2. How do i generate ETR sale for more than 10Million?

      1. For example if the amounts are 12M then do
        9M press 1.
        3M press 1.
        Press StL and then tOTAL

  11. how do i produce an ETR receipt?

    1. Switch On the machine using Vdmode button
      Shows 1…….
      Press Total
      Enter the VAtable amount on 0.00 window
      Press 1. button
      press total to generate the receipt.


    1. SP Means Service Password. Kindly contact 0725872744

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

    1. Kindly generate the daily z report

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

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

  15. 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

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

    1. cmos battery is drained call 0790394995

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

    1. does not support foreign

  18. 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

  19. 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

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

    1. Price kindly call 0790394995


    1. Press SH and 9

  22. How can i change the KRA pin on mercury

    1. Call 0790394995

  23. How can i change the KRA pin on mercury

    1. Call 0790394995

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

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

  25. 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

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

    1. Charge your ETR for 4Hrs

  27. 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

  28. 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

      1. Tonny,
        How do i correct an rroneously produced etr after print out? Can i void that sale?

        1. Just redo another ETR receipt

  29. How do you back data mercury 130w

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

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

    1. Kindly call 0790394995

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

    1. Kindly call 0790394995

  32. 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

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

    1. kINDLY CALL 0790394995

  34. 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

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

    1. Which Error?

  36. 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

      2. WhAt is error 3?

        1. Wrong Operation on Mercury 130w
          To clear presss Button C

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

    1. Hello Kindly Call on 0790394995

  38. 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

  40. How to cancel ETR receipt without passing credit note

    1. Kindly contact 0790394995

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

    Email :

    1. Kindly reach us @ 0790393995

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

    1. CONTACT US @ 0725872744 OR 0790394995

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


    1. Please Call us on 0790516038 for more guidance

  44. How to clear error 8 in Mercury

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

  45. 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.

  46. 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

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

    1. Please contact us on 0725872744 or 0790516038 for assistance

  48. How do I change to english?

    1. Press sh and 9

  49. 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,

  50. 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,

  51. How to change the VAT to 14%.

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

  53. How to change the VAT to 14%.

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