Tammuz Older Model Service Guide: RX (550, 540), M550XT, M740, etc.
Date2026-06-18 Views525
This post applies only to older models such as the RX (550, 540), M550XT, and M740; please refer to Post No. 2 for the GK series. (After-sales service for the RXK550 model is available through CS Innovation.)
1. Shipping Fee Regulations (Older Models)
Content | Charges | Remarks
Free parking for 30 minutes when dropping off in person
Initial defects (within one month of purchase): Round-trip shipping fees supported (Rosen Courier). Proof of purchase date is mandatory.
One-way shipping fees supported from one month after purchase until the end of the product's warranty period (Rosen Courier).
Defects caused by customer negligence: Round-trip shipping costs borne by the consumer.
Return of product due to expiration of warranty service period or cancellation of purchase due to change of mind: Round-trip shipping costs borne by the consumer. Shipping fees will be charged if shipped via prepaid courier.
Even within the free warranty period, the consumer must bear the full cost of round-trip shipping if the consumer's negligence is evident, if the product is not ours, or if the free warranty period has expired.
2. Warranty Service Request Guide (Older Models)
· Customer Center: Rm 715, Factory Building, Ilsan Techno Town, 138 Ilsan-ro, Ilsandong-gu, Goyang-si, Gyeonggi-do
· Customer Center Operating Hours: Weekdays 10:00–17:00 (Lunch Break 12:00–13:30) / Closed on weekends and public holidays
· Courier Service Guide: Please strictly adhere to the following instructions before shipping.
· You may use Rosen Courier or any courier service of your choice, provided the shipping fee is prepaid.
· Shipping costs must be paid in advance (excluding cases of initial defects). Since excessive shipping fees are charged for post-shipping, warranty service requests will be accepted only after the shipping fee has been paid.
· When submitting a request for A/S via courier, please fill out the Service Request Form with your address, contact information, name, and a description of the product's symptoms, and enclose it when sending the package.
** - Information written on the outer surface of the product packaging box and on the shipping label is often damaged during courier delivery and may become unreadable. Therefore, please be sure to enclose this information inside the box.
· When submitting a request for repair via courier, the item will not be shipped if any details regarding the address, contact number, or name are missing.
· When sending the product, please be sure to describe the defect symptoms and the system specifications currently in use. This is essential for prompt processing.
· Shipping is based on standard courier service. Regardless of the purchase date or timeframe, if services such as quick warranty are used, the consumer is responsible for the full shipping cost.
· Please ensure the packaging is sturdy to prevent damage to the product. We are not responsible for any damage that occurs during shipping due to inadequate packaging.
- There is no need to register for the courier service separately in advance. If you send the package as described above, it will be automatically registered in the order it arrives at our company.
- Products arriving after 12:00 PM may be processed the following day depending on the volume. · If we are unable to contact you or pick up the product for 3 months after it has been sent to the Customer Center for repair via courier or received, the product will be disposed of in accordance with our warranty regulations.
· Customers requiring repair or exchange must back up their data. Data on incoming products will be deleted without prior notice. By sending the product, you are deemed to have agreed to this.
· All warranty services are processed after the product is received and inspected.
3. Precautions Regarding Warranty Services
· We do not support data recovery.
· We do not provide warranty or technical support for products imported by third parties or individuals.
· This warranty is valid only within South Korea and does not apply overseas.
· We do not provide technical or telephone support for the installation of operating systems recommended by our company.
· All warranty services are conducted strictly within our regulations.
· We will notify customers in advance if an overseas RMA is required, but no refunds will be provided. (Overseas shipments are limited to once a month)
1. Shipping Fee Regulations (Older Models)
Content | Charges | Remarks
Free parking for 30 minutes when dropping off in person
Initial defects (within one month of purchase): Round-trip shipping fees supported (Rosen Courier). Proof of purchase date is mandatory.
One-way shipping fees supported from one month after purchase until the end of the product's warranty period (Rosen Courier).
Defects caused by customer negligence: Round-trip shipping costs borne by the consumer.
Return of product due to expiration of warranty service period or cancellation of purchase due to change of mind: Round-trip shipping costs borne by the consumer. Shipping fees will be charged if shipped via prepaid courier.
Even within the free warranty period, the consumer must bear the full cost of round-trip shipping if the consumer's negligence is evident, if the product is not ours, or if the free warranty period has expired.
2. Warranty Service Request Guide (Older Models)
· Customer Center: Rm 715, Factory Building, Ilsan Techno Town, 138 Ilsan-ro, Ilsandong-gu, Goyang-si, Gyeonggi-do
· Customer Center Operating Hours: Weekdays 10:00–17:00 (Lunch Break 12:00–13:30) / Closed on weekends and public holidays
· Courier Service Guide: Please strictly adhere to the following instructions before shipping.
· You may use Rosen Courier or any courier service of your choice, provided the shipping fee is prepaid.
· Shipping costs must be paid in advance (excluding cases of initial defects). Since excessive shipping fees are charged for post-shipping, warranty service requests will be accepted only after the shipping fee has been paid.
· When submitting a request for A/S via courier, please fill out the Service Request Form with your address, contact information, name, and a description of the product's symptoms, and enclose it when sending the package.
** - Information written on the outer surface of the product packaging box and on the shipping label is often damaged during courier delivery and may become unreadable. Therefore, please be sure to enclose this information inside the box.
· When submitting a request for repair via courier, the item will not be shipped if any details regarding the address, contact number, or name are missing.
· When sending the product, please be sure to describe the defect symptoms and the system specifications currently in use. This is essential for prompt processing.
· Shipping is based on standard courier service. Regardless of the purchase date or timeframe, if services such as quick warranty are used, the consumer is responsible for the full shipping cost.
· Please ensure the packaging is sturdy to prevent damage to the product. We are not responsible for any damage that occurs during shipping due to inadequate packaging.
- There is no need to register for the courier service separately in advance. If you send the package as described above, it will be automatically registered in the order it arrives at our company.
- Products arriving after 12:00 PM may be processed the following day depending on the volume. · If we are unable to contact you or pick up the product for 3 months after it has been sent to the Customer Center for repair via courier or received, the product will be disposed of in accordance with our warranty regulations.
· Customers requiring repair or exchange must back up their data. Data on incoming products will be deleted without prior notice. By sending the product, you are deemed to have agreed to this.
· All warranty services are processed after the product is received and inspected.
3. Precautions Regarding Warranty Services
· We do not support data recovery.
· We do not provide warranty or technical support for products imported by third parties or individuals.
· This warranty is valid only within South Korea and does not apply overseas.
· We do not provide technical or telephone support for the installation of operating systems recommended by our company.
· All warranty services are conducted strictly within our regulations.
· We will notify customers in advance if an overseas RMA is required, but no refunds will be provided. (Overseas shipments are limited to once a month)