1. ບົດແນະນຳ
Thank you for choosing the Olivetti Logos 904T Printing Calculator. This manual provides essential information for the proper setup, operation, maintenance, and troubleshooting of your device. Please read this manual thoroughly before using the calculator to ensure optimal performance and longevity.

ຮູບພາບ 1.1: The Olivetti Logos 904T Printing Calculator. This image shows the calculator's main body, keypad, display, and integrated printer mechanism.
2. ຂໍ້ມູນຄວາມປອດໄພ
To prevent damage to your calculator or injury to yourself, please observe the following safety precautions:
- Do not expose the calculator to water or excessive moisture.
- ຫຼີກລ່ຽງອຸນຫະພູມທີ່ຮຸນແຮງ, ແສງແດດໂດຍກົງ, ຫຼື ສະພາບແວດລ້ອມທີ່ມີຝຸ່ນ.
- Do not attempt to disassemble or modify the calculator. Refer all servicing to qualified personnel.
- ໃຊ້ພຽງແຕ່ປະເພດຫມໍ້ໄຟທີ່ລະບຸໄວ້ແລະຮັບປະກັນການຂົ້ວທີ່ຖືກຕ້ອງໃນລະຫວ່າງການຕິດຕັ້ງ.
- ຮັກສາໃຫ້ໄກຈາກເດັກນ້ອຍນ້ອຍໆ.
- Dispose of used batteries and ink ribbons according to local regulations.
3. ເນື້ອໃນຊຸດ
ກວດສອບວ່າລາຍການທັງຫມົດແມ່ນມີຢູ່ໃນຊຸດ:
- Olivetti Logos 904T Printing Calculator
- ຄູ່ມືຜູ້ໃຊ້ (ເອກະສານນີ້)
- One A battery (required for operation)
- One paper roll (pre-installed or separate)
- One ink ribbon (pre-installed or separate)
4. ຕັ້ງຄ່າ
4.1. ການຕິດຕັ້ງຫມໍ້ໄຟ
- ໃຫ້ແນ່ໃຈວ່າເຄື່ອງຄິດເລກຖືກປິດ.
- ຊອກຫາຝາປິດຊ່ອງໃສ່ແບັດເຕີຣີຢູ່ດ້ານລຸ່ມຂອງເຄື່ອງຄິດເລກ.
- ເລື່ອນ ຫຼືຖອດຝາປິດເພື່ອເປີດຊ່ອງໃສ່.
- Insert one 'A' type battery, ensuring the correct polarity (+/-) as indicated inside the compartment.
- ປ່ຽນຝາປິດຊ່ອງໃສ່ຫມໍ້ໄຟໃຫ້ປອດໄພ.
4.2. ການຕິດຕັ້ງມ້ວນເຈ້ຍ
- Open the printer cover, usually located at the top rear of the calculator.
- Place the new paper roll into the designated holder, ensuring the paper feeds from the bottom of the roll.
- Feed the leading edge of the paper into the printer mechanism slot until it emerges from the front.
- ປິດຝາເຄື່ອງພິມ.
4.3. Ink Ribbon Installation
If your ink ribbon is not pre-installed or needs replacement:
- Open the printer cover as described for paper roll installation.
- Carefully remove the old ink ribbon cartridge if present.
- Insert the new ink ribbon cartridge, ensuring it clicks into place and the ribbon is correctly threaded through the printer head guides.
- ປິດຝາເຄື່ອງພິມ.
5. ຄໍາແນະນໍາການດໍາເນີນງານ
5.1. ເປີດ/ປິດ
- ເພື່ອເປີດເຄື່ອງຄິດເລກ, ໃຫ້ກົດປຸ່ມ ເປີດ/C or ON ປຸ່ມ.
- ກົດປຸ່ມເພື່ອປິດເຄື່ອງຄິດເລກ ປິດ button, or it may power off automatically after a period of inactivity.
5.2. Basic Calculations
Enter numbers using the numeric keypad. Use the following keys for basic arithmetic operations:
- +: ເພີ່ມເຕີມ
- -: ການຫັກລົບ
- x: ຄູນ
- ÷: ພະແນກ
- =: Equals (to display result)
- C/CE: Clear Entry / Clear All
5.3. ໜ້າທີ່ການພິມ
The Logos 904T features a printing mechanism to record your calculations. The printer uses tape with ink.
- Print Mode Selector: Locate the switch or button to enable/disable printing. Common settings include:
- PRINT ON: All entries and results are printed.
- PRINT OFF: Calculations are performed, but nothing is printed.
- ITEM COUNT: May print only totals or specific entries.
- Ensure paper and ink ribbon are correctly installed for printing functionality.
5.4. Financial and Business Functions
As a financial and business calculator, the Logos 904T includes specialized functions. Refer to the key labels for specific operations such as:
- TAX+/-: Tax calculation functions.
- COST/SELL/MARGIN: Business profit calculations.
- MU: Mark-up calculations.
- GT: Grand Total.
- %: ເປີເຊັນtage ການຄິດໄລ່.
For detailed instructions on these advanced functions, consult the specific key legends and any supplementary guides provided with your calculator.
5.5. ຄຸນສົມບັດການສະແດງ
The calculator features a VFD (Vacuum Fluorescent Display) for clear visibility of numbers and symbols. The display size is approximately 75mm, providing ample space for numerical output.
6. ບໍາລຸງຮັກສາ
6.1. ທໍາຄວາມສະອາດ
ເພື່ອເຮັດຄວາມສະອາດເຄື່ອງຄິດເລກ, ໃຊ້ຜ້າອ່ອນໆ, ແຫ້ງ. ສໍາລັບຝຸ່ນ stubborn, ເລັກນ້ອຍ dampen the cloth with water or a mild, non-abrasive cleaner. Do not use harsh chemicals or solvents. Avoid spraying liquids directly onto the calculator.
6.2. ການທົດແທນຫມໍ້ໄຟ
When the display dims or the calculator functions erratically, it may be time to replace the battery. Follow the steps in Section 4.1. Battery Installation. Always replace with a fresh 'A' type battery.
6.3. Paper Roll Replacement
When the paper roll runs out, replace it by following the steps in Section 4.2. Paper Roll Installation. Ensure you use paper rolls of the correct size for the Logos 904T.
6.4. Ink Ribbon Replacement
If printouts become faint or illegible, the ink ribbon may need replacement. Follow the steps in Section 4.3. Ink Ribbon Installation. Use only genuine Olivetti replacement ink ribbons for best results.
7. ການແກ້ໄຂບັນຫາ
If you encounter issues with your Olivetti Logos 904T, refer to the following common problems and solutions:
- ເຄື່ອງຄິດເລກບໍ່ເປີດ:
- ກວດສອບວ່າແບັດເຕີຣີຖືກຕິດຕັ້ງຢ່າງຖືກຕ້ອງ ແລະ ບໍ່ໝົດ. ປ່ຽນໃໝ່ຖ້າຈຳເປັນ.
- ຈໍສະແດງຜົນແມ່ນມືດ ຫຼືຫວ່າງເປົ່າ:
- ປ່ຽນແບັດ.
- ເຄື່ອງພິມບໍ່ໄດ້ພິມ:
- Ensure the print mode is set to 'ON'.
- Check if the paper roll is correctly installed and not empty.
- Verify that the ink ribbon is correctly installed and not depleted.
- Printouts are faint or unclear:
- Replace the ink ribbon.
- ຜົນການຄິດໄລ່ທີ່ບໍ່ຖືກຕ້ອງ:
- Ensure you are using the correct function keys and inputting numbers accurately.
- Clear all previous calculations using the C/CE ປຸ່ມ.
ຖ້າບັນຫາຍັງຄົງຢູ່ຫຼັງຈາກພະຍາຍາມແກ້ໄຂເຫຼົ່ານີ້, ກະລຸນາຕິດຕໍ່ຝ່າຍຊ່ວຍເຫຼືອລູກຄ້າ.
8. ຂໍ້ມູນຈໍາເພາະ
| ຄຸນສົມບັດ | ຂໍ້ມູນຈໍາເພາະ |
|---|---|
| ຊື່ຕົວແບບ | Logos 904T |
| ໝາຍເລກພາກສ່ວນຜູ້ຜະລິດ | B5896000 |
| GTIN | 08020334312350 |
| ຂະໜາດ (ກວ້າງ x ສູງ) | 8.7 x 20.5 x 32 ຊມ (3.4 x 8.1 x 12.6 ນິ້ວ) |
| ນ້ຳໜັກ | 1.55 ກິໂລ (3.4 ປອນ) |
| ແຫຼ່ງພະລັງງານ | Battery (1 'A' type battery required) |
| ປະເພດເຄື່ອງພິມ | Tape, with ink |
| ຄວາມໄວພິມ | 600 LPM (Lines Per Minute) |
| ປະເພດການສະແດງ | VFD (ຈໍສະແດງຜົນຟູອໍເຣສເຊັນສູນຍາກາດ) |
| ຂະຫນາດຈໍສະແດງຜົນ | 75ມມ |
| ສີ | ດຳ |
| ວັດສະດຸ | ພາດສະຕິກ |
| ປະເພດເຄື່ອງຄິດເລກ | ການເງິນ |
9. ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ
The Olivetti Logos 904T Printing Calculator comes with a standard manufacturer's warranty. Please refer to the warranty card included with your purchase for specific terms and conditions, including warranty duration and coverage details.
For technical support, service, or inquiries regarding your product, please contact Olivetti customer service through their official webເວັບໄຊ ຫຼືຂໍ້ມູນການຕິດຕໍ່ທີ່ສະໜອງໃຫ້ຢູ່ໃນເອກະສານການຮັບປະກັນຂອງທ່ານ.





