Lexmark T640, T642, T644
The Lexmark T640, T642, and T644 print on many labels designed for use with laser printers.
The following table lists the maximum weights supported by the trays and the multipurpose feeder.
Overview of card stock and label support
Grain
Paper source
direction
Integrated tray grain long
grain short
Optional
grain long
250-sheet
grain short
drawer
Optional
grain long
500-sheet
grain short
drawer
Multipurpose
grain long
feeder*
grain short
* Due to label design characteristics, unacceptable feeding may be experienced from the multipurpose feeder.
Media specifications
Labels
Thickness:
Smoothness:
* 150–250 Sheffield is optimal. Using media higher than 300 Sheffield could result in printing
degradation.
Weight:
Card stock
Card stock
Index
Bristol
Tag
2
2
163 g/m
163 g/m
176 g/m
2
2
199 g/m
203 g/m
216 g/m
2
2
120 g/m
120 g/m
135 g/m
2
2
163 g/m
163 g/m
176 g/m
2
2
163 g/m
163 g/m
176 g/m
2
2
199 g/m
203 g/m
216 g/m
2
2
120 g/m
120 g/m
135 g/m
2
2
163 g/m
163 g/m
176 g/m
0.102–0.305 mm (0.004–0.012 in.)
100–400* Sheffield
Up to 199 g/m
Up to 203 g/m
Printer specifications
79
Dual-web
Cover
Paper
paper
2
2
180 g/m
180 g/m
2
2
2
163 g/m
163 g/m
2
2
2
180 g/m
180 g/m
2
2
2
163 g/m
163 g/m
2
2
Index Bristol (90 lb)
2
Tag (100 lb)
Labels
Polyester
Vinyl
2
2
220 g/m
300 g/m
2
2
220 g/m
260 g/m
2
2
220 g/m
300 g/m
2
2
220 g/m
260 g/m
2
2
2
2