Seiko TM-U590/U590P manual Copy capability and paper thickness

Copy capability and paper thickness:

Normal paper (single-ply): 0.09 to 0.2 mm (.0035 to .0079”)

Carbon copy paper combination:

5 sheets maximum (original + 4 copies) at 20° to 45°C (68° to 113°F)

Backing paper:	0.06 to 0.15 mm (.0023 to .0059”)
Copy and original:	0.04 to 0.07 mm (.0015 to .0028”)
Carbon paper:	Approximately 0.035 mm (.0014”)
Total thickness:	0.30 mm (.0118”) or less (for any
	combination, from a single original to an
	original + 3 copies)
	0.36 mm (.0141”) or less (for any
	combination, from a single original to an
	original + 4 copies)
	Pressure sensitive paper:
	5 sheets maximum (original + 4 copies) at
	20° to 45°C (68° to 113°F)
Backing paper:	0.06 to 0.15 mm (.0023 to .0059”)
Copy and original:	0.06 to 0.075 mm (.0023 to .003”)
Total thickness:	0.24 mm (.0094”) or less (original to
	original + 3 copies)
	0.30 mm (.0118”) or less (original + 4
	copies)

Note:

When using multi-ply paper that consists of an original and three or four copies, be sure to print with a 9 × 9 font. If a 7 × 9 font is used, some characters on some of the copies may not be readable.

Reference Information 4-5