Lexmark T644 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 in.)





 


 

JIS B5 182 x 257 mm
(7.17 x 10.1 in.)





 





Letter 215.9 x 279.4 mm
(8.5 x 11 in.)





 





Legal 215.9 x 355.6 mm
(8.5 x 14 in.)





 





Executive 184.2 x 266.7 mm
(7.25 x 10.5 in.)





 





Folio
1216 x 330 mm
(8.5 x 13 in.)




 





Statement
1139.7 x 215.9 mm
(5.5 x 8.5 in.)




 

 

Universal
2139.7 x 210 mm to 
215.9 x 355.6 mm
(5.5 x 8.27 in. to 
8.5 x 14 in.)




 

 

69.85 x 127 mm to 
215.9 x 355.6 mm
(2.75 x 5 in. to 
8.5 x 14 in.)




69.85 x 127 mm to 
229 x 355.6 mm
(2.75 x 5 in. to 
9.01 x 14 in.)




 


 

148 x 182 mm to 
215.9 x 355.6 mm
(5.83 x 7.17 in. to 
8.5 x 14 in.)




 


 

7 ¾ Envelope 98.4 x 190.5 mm
(3.875 x 7.5 in.)





1 This size does not appear in the Paper Size menu until Tray Size Sensing is turned off. See “Printing folio and statement 
sizes” for more information.
2 This size setting formats the page for 215.9 x 355.6 mm (8.5 x 14 in.) unless the size is specified by the software 
application.
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							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 (continued)
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
1 This size does not appear in the Paper Size menu until Tray Size Sensing is turned off. See “Printing folio and statement 
sizes” for more information.
2 This size setting formats the page for 215.9 x 355.6 mm (8.5 x 14 in.) unless the size is specified by the software 
application.
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							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 
labels*



 

 
 

* Printing label applications on the printer requires a special label fuser cleaner. The label fuser cleaner is included with a 
special label cartridge for label applications. See Ordering supplies for more information on obtaining a label fuser 
cleaner.
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							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 g/m
2 (65 lb) 135 g/m2 (50 lb)
Card stock—
maximum (grain short)
1Index Bristol 199 g/m2 (110 lb) 163 g/m2 (90 lb) n/a
Tag 203 g/m
2 (125 lb) 163 g/m2 (100 lb)
Cover 216 g/m
2 (80 lb) 176 g/m2 (65 lb)
Transparencies Laser printer 138 to 146 g/m
2
(37 to 39 lb bond)138 to 146 g/m
2
(37 to 39 lb bond)
Labels—maximum
4Paper 180 g/m2
(48 lb bond)163 g/m
2
(43 lb bond)
Note:Not supported in 
the multipurpose 
feeder.n/a
Dual-web paper 180 g/m
2
(48 lb bond)163 g/m
2
(43 lb bond)
Note:Not supported in 
the multipurpose 
feeder.
Polyester 220 g/m
2
(59 lb bond)220 g/m
2
(59 lb bond)
Note:Not supported in 
the multipurpose 
feeder.
Vinyl
5300 g/m2
(92 lb liner)260 g/m
2
(78 lb liner)
Note:Not supported in 
the multipurpose 
feeder.
1 Grain short is preferred for papers over 135 g/m2.2 Includes envelopes fed from the multipurpose feeder only.3 28 lb bond envelopes are limited to 25% cotton content.4 Printing label applications on the printer requires a special label fuser cleaner. See Ordering supplies for more 
information on obtaining a fuser cleaner.
5 Information on whether your vinyl label converter has passed Lexmark criteria is available at the Lexmark Web site 
(www.lexmark.com); search for “converter list.” You can also check the Lexmark Automated Fax system (LEXFAXSM).
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							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 
content.
Media weights supported in optional output bins
Print media weight—optional output bins
Print mediaTy p e5-bin mailboxOutput expander
High-capacity 
output stacker
Finisher
Paper
(grain long)Xerographic or 
business paper60 to 90 g/m
2 
(16 to 24 lb bond)60 to 176 g/m
2 
(16 to 47 lb bond)60 to 176 g/m
2 
(16 to 47 lb bond)See separate 
Finisher media 
weight table.
Card stock— 
maximum (grain 
long)Index Bristol Not 
recommended163 g/m
2 (90 lb) 163 g/m2 
(90 lb)
Tag 163 g/m
2 (100 lb) 163 g/m2
(100 lb)
Cover 176 g/m
2 (65 lb) 176 g/m2
(65 lb)
Card stock— 
maximum (grain 
short)Index Bristol 199 g/m
2 (110 lb) 199 g/m2
(110 lb)
Tag 203 g/m
2 (125 lb) 203 g/m2
(125 lb)
Cover 216 g/m
2 (80 lb) 216 g/m2
(80 lb)
Transparencies Laser printer 138 to 146 g/m
2
(37 to 39 lb bond)138 to 146 g/m
2
(37 to 39 lb bond)
Print media weights (continued)
Print mediaTy p e
Print media weight
Integrated tray and 
optional
500-sheet drawerMultipurpose feeder 
and optional
250-sheet drawer
Envelope feeder
1 Grain short is preferred for papers over 135 g/m2.2 Includes envelopes fed from the multipurpose feeder only.3 28 lb bond envelopes are limited to 25% cotton content.4 Printing label applications on the printer requires a special label fuser cleaner. See Ordering supplies for more 
information on obtaining a fuser cleaner.
5 Information on whether your vinyl label converter has passed Lexmark criteria is available at the Lexmark Web site 
(www.lexmark.com); search for “converter list.” You can also check the Lexmark Automated Fax system (LEXFAXSM).
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							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
2
(up to 47 lb bond)See separate 
Finisher media 
weight table.
Paper base 
(grain long)75 to 135 g/m
2
(20 to 36 lb bond)75 to 135 g/m
2
(20 to 36 lb bond)
Envelopes Sulfite, wood-
free or up to 
100% cotton 
bond60 to 105 g/m
2
(16 to 28 lb bond)60 to 105 g/m
2
(16 to 28 lb bond)Not 
recommended
Media sizes supported in the finisher
Dimensions
Finisher output support
SizeStandard1OffsetStapled
A4 210 x 297 mm
(8.27 x 11.7 in.)

 

A5 148 x 210 mm
(5.83 x 8.27 in.)
JIS B5 182 x 257 mm
(7.17 x 10.1 in.)

Letter 215.9 x 279.4 mm
(8.5 x 11 in.)

 

Legal 215.9 x 355.6 mm
(8.5 x 14 in.)

 

Executive 184.2 x 266.7 mm
(7.25 x 10.5 in.)

Folio
2216 x 330 mm
(8.5 x 13 in.)

 

Statement
2139.7 x 215.9 mm
(5.5 x 8.5 in.)
1 Paper passes to the finisher bin without being stapled or offset.2 This size does not appear in the Paper Size menu until Tray Size Sensing is turned off. See Printing folio and 
statement sizes for more information.
Media weights supported in optional output bins (continued)
Print media weight—optional output bins
Print mediaTy p e5-bin mailboxOutput expander
High-capacity 
output stacker
Finisher
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							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 in the finisher
Print mediaTy p e
Finisher media weight
Standard*OffsetStapled
Paper Xerographic or 
business paper60 to 176 g/m
2
(16 to 47 lb bond)60 to 90 g/m
2
(16 to 24 lb bond)60 to 90 g/m
2
(16 to 24 lb bond)
Card stock—
maximum (grain 
long)Index Bristol 163 g/m
2
(90 lb bond)Not recommended Not recommended
Ta g 1 6 3  g / m
2
(100 lb bond)
Cover Not recommended
Card stock—
maximum (grain 
short)Index Bristol 199 g/m
2
(110 lb bond)Not recommended Not recommended
Ta g 2 0 3  g / m
2
(125 lb bond)
Cover 216 g/m
2
(80 lb bond)
* Paper passes to the finisher bin without being stapled or jogged.
Media sizes supported in the finisher (continued)
Dimensions
Finisher output support
SizeStandard1OffsetStapled
1 Paper passes to the finisher bin without being stapled or offset.2 This size does not appear in the Paper Size menu until Tray Size Sensing is turned off. See Printing folio and 
statement sizes for more information.
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							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)
Vinyl 300 g/m
2
(92 lb bond)
Envelopes Sulfite, wood-free, or 
up to 100% cotton 
bond60 to 105 g/m
2
(16 to 28 lb bond)Not recommended Not recommended
Media weights supported in the finisher (continued)
Print mediaTy p e
Finisher media weight
Standard*OffsetStapled
* Paper passes to the finisher bin without being stapled or jogged.
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							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 recommended print side on the paper package, and load paper accordingly. See Loading 
standard trays and optional trays, Loading the multipurpose feeder, or Loading the 2000-sheet drawer for detailed 
tray-loading instructions.
Paper characteristics
The following paper characteristics affect print quality and reliability. We recommend that you follow these guidelines when 
evaluating new paper stock.
For detailed information, see the Card Stock & Label Guide located on the Lexmark Web site at www.lexmark.com.
The laser printing process heats paper to high temperatures of 230°C (446°F). For Magnetic Ink Character Recognition 
(MICR) applications and for non-MICR applications, use only paper able to withstand these temperatures without 
discoloring, bleeding, or releasing hazardous emissions. Check with the manufacturer or vendor to determine whether the 
paper you have chosen is acceptable for laser printers.
Weight
The printer can automatically feed paper weights from 60 to 176 g/m
2 (16 to 47 lb bond) grain long in the integrated and 
optional 500-sheet trays and paper weights from 60 to 135 g/m2 (16 to 36 lb bond) grain long in the multipurpose feeder 
and optional 250-sheet trays. Paper lighter than 60 g/m2 (16 lb) might not be stiff enough to feed properly, causing jams. For 
best performance, use 75 g/m2 (20 lb bond) grain long paper. When using paper narrower than 182 x 257 mm (7.2 x 10.1 
in.), make sure the weight is greater than or equal to 90 g/m2 (24 lb bond).
Unacceptable paper
The following papers are not recommended for use with the printer:
Some chemically treated papers used to make copies without carbon paper, also known as carbonless papers, 
carbonless copy paper (CCP), or no carbon required (NCR) paper (see the Card Stock & Label Guide located on 
the Lexmark Web site at www.lexmark.com for supported chemically treated papers)
Preprinted papers with chemicals that may contaminate the printer
Preprinted papers that can be affected by the temperature in the printer fuser
Preprinted papers that require a registration (the precise print location on the page) greater than ±0.09 in., such as 
optical character recognition (OCR) forms
In some cases, you can adjust registration with your software application to successfully print on these forms.
Coated papers (erasable bond), synthetic papers, thermal papers
Rough-edged, rough or heavily textured surface papers or curled papers
Recycled papers containing more than 25% post-consumer waste that do not meet DIN 19 309
Recycled paper having a weight less than 60 g/m
2 (16 lb) PaperTransparencies
EnvelopesLabels
Card stock
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							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 printer driver to avoid damaging the printer.
In Macintosh, be sure to set the Paper Type to Transparency in the Print dialog on the Imaging choice in the 
Copies & Pages pop-up menu.
Use transparencies designed specifically for laser printers. Transparencies must be able to withstand 
temperatures of 230°C (446°F) without melting, discoloring, offsetting, or releasing hazardous emissions.
To prevent print quality problems, avoid getting fingerprints on the transparencies.
Before loading transparencies, fan the stack to prevent sheets from sticking together.
Selecting transparencies
The printer can print directly on transparencies designed for use in laser printers. Print quality and durability depend on the 
transparency used. Always print samples on the transparencies you are considering before buying large quantities. 
The Paper Type setting should be set to Transparency to help prevent jams. Check with the manufacturer or vendor to 
determine whether your transparencies are compatible with laser printers that heat transparencies to 230°C (446°F). Use 
only transparencies that are able to withstand these temperatures without melting, discoloring, offsetting, or releasing 
hazardous emissions. For detailed information, see the Card Stock & Label Guide, which is available on the Lexmark Web 
site at www.lexmark.com.
Transparencies can be fed automatically from the multipurpose feeder and all standard and optional trays, except the 2000-
sheet drawer. See Identifying and linking output bins for information about transparency compatibility with optional 
output bins.
Be careful when you handle transparencies. Fingerprints on the surface of the transparency cause poor print quality.
Envelopes
You can load up to 10 envelopes in the multipurpose feeder and 85 envelopes in the envelope feeder. Try a sample of any 
envelopes you are considering using with the printer before buying large quantities. See Loading the multipurpose feeder 
and Loading the envelope feeder for instructions on loading envelopes.
When printing on envelopes:
To achieve the best possible print quality, use only high-quality envelopes that are designed for use in laser 
printers.
Set the Paper Size/Type in the Paper menu to MP Feeder, Manual Env, or Env Feeder depending on the source 
you are using. Set the paper type to Envelope, and select the correct envelope size from the operator panel, the 
printer driver, the Local Printer Setup Utility, or from MarkVision™.
For best performance, use envelopes made from 75 g/m
2 (20 lb bond) paper. You can use up to 105 g/m2 (28 lb 
bond) weight for the multipurpose feeder or 105 g/m2 (28 lb bond) weight for the envelope feeder as long as the 
cotton content is 25% or less. Envelopes with 100% cotton content must not exceed 90 g/m2 (24 lb bond) weight.
Use only new, undamaged envelopes.
For best performance and to minimize jams, do not use envelopes that:
–Have excessive curl or twist.
–Are stuck together or damaged in any way.
–Contain windows, holes, perforations, cutouts or embossing.
–Use metal clasps, string ties, or metal folding bars.
–Have an interlocking design.
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