Q&A

Types of Disk

	Capacity	Layers	General Purpose
CD	700MB	1 Side 1 Layer	Profile, Music, VCD
Mini CD	200MB	1 Side 1 Layer	Profile, Music, VCD
Mini DVD	1.4GB	1 Side 1 Layer	Profile, Music
DVD-5	4.7GB	1 Side 1 Layer	DVD Video, data storage
DVD-9	8.5GB	1 Side 1 Layer	DVD Video, data storage
DVD-10	9.4GB	2 Sides 1 Layer	DVD Video, data storage
DVD-17	17GB	2 Side 2 Layers	DVD Video, data storage
Mini BD	7.5GB	1 Side 1 Layer	Data Storage
BD Blu-ray	25GB	1 Side 1 Layer	Bluray Video, Data Storage
BD-XL	50G/100G/128G	1 Side 2/3/4 Layers	4K UHD Bluray Video, Data Storage

 

Types of Disk Printing

	Disk Printing	Press
For	Little Volume	Mass production
Base Quantity	No limit	Has base quantity
Types of printing	Print by printer	Print by factory press machine
Ink	Water or Oil Based	UV waterproof ink
Production Length	Short	Long(3 to 5 days)
Production Cost	Low	High
General Purpose	Graduation event, Wedding events, Musical events, Exhibition evens…any events where quantity is low	Any kinds of requirement for large quantity over 1000

 

Files inside memory card unreadable

Possible reasons are as follows:
1. Cards are unformatted.
2. Memory card lifespan expired.
3. Low battery while file is writing into Memory Card
4. Card removed during file writing
5. Card is damaged.