The present invention relates to a roll-like printing paper, a video printer using such roll-like printing paper and a method of detecting a remaining quantity of a roll-like printing paper. 0 nm or less after film formation, a second step of forming a glass film laminate by laminating a glass film having a surface roughness Ra of 2. Acid is added to stabilize the vegetation water and prevent fermentation. The erosion profile may be controlled by varying the rotation rate through the rotation cycle or by modulating the target power.