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Tel: (86 755) 28100781
Fax: (86 755) 28103806
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Home > Service > Warranty & RMA

How is the quality control of COMEBACK product?
COMEBACK computer products are manufactured under stringent ISO 9001 quality control systems to assure working performance perfect or exceed that of the original equipment manufacturers. All the card redaers and usb hub,mp3 speakers are 100% tested in production. All of the other products are also produced under strict random test procedure.

General Warranty:
We further warrants that under normal use and operation, our products will not cause any damage, abnormal wear, or deterioration to any PC  for which the hardware was specifically designed. Any claim that the use of this remanufactured FDD has resulted in PC damage must be verified with reliable evidence that the hardware is the direct cause.
Our liability under this warranty shall be limited to the replacement or reimbursement as defined herein. No other expressed or implied warranty shall exist, including warranties of merchantability and fitness for a particular purpose.

Special notice when RMA
1)       Make sure the goods containing our identification marks.
2)       Make sure the defective rate beyond our allowance rate.
3)       Buyer should pack the defective cartridge properly so that to avoid any broke during the transportation.
4)       Buyer must return the goods according to our instruction and under our approval according to Chinese custom regulations, including shipping time, transportation method, packing and shipping mark, shipping document required, delivery address and freight charge. Buyer should not return the goods without our confirmation, otherwise we will not bear any possible losses of return and will claim for extra expenses.  
5)       Additional custom fee or other cost happens during RMA are free of our responsibility.
6)       We can only replace the new products after receiving defected goods and tested.
7)       We can replace other items after discussion with buyer. We can only replace by form of product, but cannot practice by return cash.
8)  The freight charge during RMA returns is calculated based on normal sea freight charge. We will not bear extra expense by other means of transportation.
NOTE: We will have the right to claim for further loss of handling the RMA return (such as freight charge and custom clearance fee) if buyer does not follow this RMA policy.

What's the RMA Procedure?

1) Make sure the products you will return are all with our label and laser marks.

2) Fill RMA Report in details with cartridge model, quantity and related P/I number
3) Take pictures of the RMA on spot and email back immediately to clarify the defective problem

4) We confirm the RMA with report and instruction back
5) Unpack the entire paper box
6) Pack the RMA products in good condition to avoid broken or leakage during transportation, it is appreciated to pack Optical drives with Sponge covering the all case and  roll every 10pcs boxed in  together,Pack them into the individual carton box as what it was received.
7) We give you the delivery address for return
8) Return RMA heavy products by sea shipment. (Except under our approval to ship by air or by courier)
9) After receiving RMA goods, we will test it and give you test report, showing the RMA problem by engineer advice.

How to claim RMA and what's the validity period?

1. Regular RMA:
Buyer should return RMA products according to our instruction. The freight for returning is covered by buyer. We will replace the same product (item& quantity) or same value products (according to mutual agreement) to buyer.
Value of RMA is decided by the current selling price when we receive the RMA.
2. Big Quantity RMA
Buyer should return RMA products according to our instruction as quickly as possible. We will cover the freight of returning and replacing. We will replace same product (item& quantity) to buyer and will be free of responsibility for further claim and loss.

RMA cost:

RMA Validity period:
1. Regular RMA: Regular RMA should be claimed within the warranty period and should be returned within 30days. We will feed back the RMA test results within 30days after receiving the RMA products.

2. Big quantity RMA: Big quantity RMA should be claimed within 30days after receiving the goods and should be returned within 30days. We will feed back the RMA test results within 30days after receiving the RMA products.
If buyer defers to return, we will not be responsible to any further quality claim. Meanwhile, the quality is hard to recognize and the products may be hard to be repaired.

What is the regular RMA and big quantity RMA?
1. Regular RMA: Within the warranty period, the defect rate within 10% in one batch goods. We will conduct RMA according to RMA policy.

2. Big quantity RMA: During the period of trial selling of our product, over 10% defect rate is founded. To avoid worse results, we require buyer to stop selling the products and return all of the goods back within 30days after receiving the products. For claim over 30days after receiving the products, as it is hard to define the defect rate due to the deferring storage, we will only responsible RMA claim according to Regular RMA policy.

3. Normal quantity within allowable defective rate Due to transportation and improper use by end user, it is possible to have some percentage of defective. It is reasonable. We have allowable defective rate (see policy B above) which we are sorry not for replacement.

What's the validity of warranty period for different products?
Portable speaker: warranty period: 12months after shipping date
Power supply/Strips: warranty period: 12 months after shipping date
Optical Drives: warranty period: 12 months after shipping date.
Laptop adapters: warranty period:24 months after shipping date.
We strongly recommend customer ship UPS/ATX Power supply/ USB Floppy/DVD writers by sea freight as they are liable to be defected by air shipment according to our test experience.
* Above period is based on indoor storage under normal temperature circumstance.

We warranty our hardware products free of broken and free of non-working in warranty period. If customers find obvious exterior defect, such as broken or stained before they use COMEBACK product, COMEBACK will replace or return.

What is the allowable defective rate of COMEBACK product?
NOTE: Quality control in factory is within 0.5% defect rate for remanufactured products, and within 0.3% defect rate for brand new products. It is subject to defective during transportation, improper use and storage circumstance.

Defective product which is not caused by improper use and within warranty period is called as RMA product. Principally, considering the spoilage during transportation, storage and sales, a defect rate of 1--3% is allowable, reasonable and acceptable in each batch products. All the RMA products exceeding this rate will be within our responsibility to replace according to RMA policy. We will be free of responsibility of defective rate below following rates. Details acceptable rate as following:
1.      Tablet PC                                          :          7" -8"  <0.1 %                         10"  <0.3 %  

2.       200Watt - 600Watt Power supply :         Brand new  <1 %                  Remanufactured <2%

3.       Floppy disk drive:                                       Brand new  <1.5%               Remanufactured <2.5%

4.       Power Strips:                                               Brand new  <0.2%                                           

5.       USB Hub:                                                     Brand new   <2%                   

6.       Speaker:                                                      Portable speaker<1%          Mini Speaker<0.3% 

7.       Laptop adapter:  <1.5%                           

8.      Optical Drives                                             Brand new  <1%               Remanufactured <2%   ( Slim /USB )   

9.      Optical Drives                                             Brand new  <1%               Remanufactured <0.2%  ( Internal 5.25")