Lexmark T642 User Manual

Supported print media
61
Understanding paper and specialty media guidelines
Print media sizes
Legend 
 — indicates support
T640 250-sheet trayT642, T644 500-sheet tray250-sheet drawer (option)500-sheet drawer (option)Multipurpose feeder2000-sheet drawer (option)Envelope feeder (option)Duplex unit (option)Standard output binOutput expander (option)5-bin mailbox (option)High-capacity
output stacker (option)Print media sizeDimensions
A4 210 x 297 mm
(8.27 x 11.7 in.)





 





A5 148 x 210 mm
(5.83 x 8.27...

Supported print media
62
Understanding paper and specialty media guidelines
9 Envelope 98.4 x 225.4 mm
(3.875 x 8.87 in.)





10 Envelope 104.8 x 241.3 mm
(4.12 x 9.5 in.)





DL Envelope 110 x 220 mm
(4.33 x 8.66 in.)





B5 Envelope 176 x 250 mm
(6.93 x 9.84 in.)





C5 Envelope 162 x 229 mm
(6.38 x 9.01 in.)





Other Envelope
198.4 x 162 mm
to 176 x 250 mm
(3.87 x 6.38 in. to 
6.93 x 9.84 in.)





98.4 x 162 mm
to 229 x 342 mm
(3.87 x 6.38 in. to 
9.01x 12.76 in.)





Print media sizes...

Supported print media
63
Understanding paper and specialty media guidelines
Print media types
Print mediaT640T642, T644 250-sheet drawer500-sheet drawerMultipurpose feeder2000-sheet drawerEnvelope feederDuplex unitStandard output binOutput expander5-bin mailboxHigh-capacity
output stacker
Finisher
StandardOffsetStapled
Paper





 
 







Card stock




 


 




Transparencies




 

 




Vinyl labels
*



 

 
 

Paper labels
*



 

 
 

Polyester label
*



 

 
 

Dual-web and integrated...

Supported print media
64
Understanding paper and specialty media guidelines
Print media weights
Print mediaTy p e
Print media weight
Integrated tray and 
optional
500-sheet drawerMultipurpose feeder 
and optional
250-sheet drawer
Envelope feeder
Paper Xerographic or 
business paper60 to 176 g/m
2 
grain long
(16 to 47 lb bond)60 to 135 g/m2 
grain long
(16 to 36 lb bond)n/a
Card stock—
maximum (grain long)
1Index Bristol 163 g/m2 (90 lb) 120 g/m2 (67 lb)
Tag 163 g/m
2 (100 lb) 120 g/m2 (74 lb)
Cover 176...

Supported print media
65
Understanding paper and specialty media guidelines
Integrated forms Pressure- 
sensitive area
(must enter the 
printer first)140 to 175 g/m2140 to 175 g/m2
Paper base (grain 
long)75 to 135 g/m2
(20 to 36 lb bond)75 to 135 g/m
2
(20 to 36 lb bond)
Envelopes
100% cotton content 
maximum 
weight—24 lbSulfite, wood-free, 
or up to 100% 
cotton bondsNot recommended 60 to 105 g/m
2
(16 to 28 lb bond)2, 360 to 105 g/m2
(16 to 28 lb bond)3
Note:28 lb  envelopes are limited to 25% cotton...

Supported print media
66
Understanding paper and specialty media guidelines
Labels— 
maximumPaper Not 
recommended180 g/m2
(48 lb bond)180 g/m
2
(48 lb bond)See separate 
Finisher media 
weight table.
Dual-web 
paper180 g/m
2
(48 lb bond)180 g/m
2
(48 lb bond)
Polyester 220 g/m
2
(59 lb bond)220 g/m
2
(59 lb bond)
Vinyl 300 g/m
2
(92 lb liner)300 g/m
2
(92 lb liner)
Integrated forms Pressure 
sensitive area 
(must enter the 
printer first)Not 
recommended140 to 175 g/m
2
(up to 47 lb bond)140 to 175 g/m...

Supported print media
67
Understanding paper and specialty media guidelines
7 ¾ Envelope 98.4 x 190.5 mm
(3.875 x 7.5 in.)
9 Envelope 98.4 x 225.4 mm
(3.875 x 8.9 in.)
10 Envelope 104.8 x 241.3 mm
(4.12 x 9.5 in.)
DL Envelope 110 x 220 mm
(4.33 x 8.66 in.)
C5 Envelope 162 x 229 mm
(6.38 x 9.01 in.)

B5 Envelope 176 x 250 mm
(6.93 x 9.84 in.)

Other Envelope 98.4 x 162 mm
to 176 x 250 mm
(3.87 x 6.38 in.
to 6.93 x 9.84 in.)
98.4 x 162 mm
to 229 x 342 mm
(3.87 x 6.38 in.
to 9.01x 12.76 in.)

Media weights...

Supported print media
68
Understanding paper and specialty media guidelines
Transparencies Laser printer  138 to 146 g/m2
(37 to 39 lb bond)138 to 146 g/m
2
37 to 39 lb bond)Not recommended
Integrated forms Pressure sensitive 
area140 to 175 g/m
2
(up to 47 lb bond)Not recommended Not recommended
Paper base (grain 
long)75 to 135 g/m
2
(20 to 36 lb bond)
Labels — upper 
limitPaper 180 g/m
2
(48 lb bond)Not recommended Not recommended
Dual-web paper 180 g/m
2
(48 lb bond)
Polyester 220 g/m
2
(59 lb bond)...

Selecting print media
69
Understanding paper and specialty media guidelines
Selecting print media
Selecting the appropriate print media for the printer helps you avoid printing problems. The following sections contain 
guidelines for choosing the correct print media for the printer.
Paper
For the best print quality, use 75 g/m2 (20 lb) xerographic, grain long paper. Try a sample of any paper you are considering 
using with the printer before buying large quantities.
When loading paper, note the...

Selecting print media
70
Understanding paper and specialty media guidelines
Multiple-part forms or documents
Transparencies
You can feed transparencies from the standard tray (250-sheet tray for the T640 or 500-sheet tray for the T642 and T644), 
optional 250- or 500-sheet trays, or the multipurpose feeder. Try a sample of any transparencies you are considering using 
with the printer before buying large quantities.
When printing on transparencies:
Be sure to set the Paper Type to Transparency from the...