Investigation summary: illegible scale markings reported.
To aid in the investigation, three photos were provided for evaluation by our quality team.
A photo shows two packaging blisters with what appears to be residues of ink in the sealing area of the top-bottom web of the packaging blisters.
One has what appears to be residues of ink in the sealing area of the top-bottom packaging blister.
No other defects or imperfections are observed.
A device history record review was completed for provided material number 302833, lot number 9029908.
The review did not reveal any detected quality issues during the production of this lot that could have contributed to the reported defects.
Verification of the packaging process was performed, including printing and sealing.
No conditions were found that could induce the symptoms and the flow of products was good.
To date, there have been no other similar events reported for these lots.
Investigation conclusion: based on the investigation and with no sample analysis the symptom reported by the customer could not be confirmed.
We will continue monitoring the complaint trend for this product and symptom.
With no sample analysis a probable root cause could not be offered.
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