Lexmark Optra S 1250 Manual

345Enhancing Print Quality
Enhancing Print Quality
Appendixes
Print Resolution
The Print Resolution setting defines the number of dots printed per
inch (dpi). Usually, the higher the setting, the sharper the clarity of
printed characters and graphics. Higher settings may require more
printer memory and increase the time it takes to print a document.
Not all of the print quality settings are valid for all resolutions.
1200 Image Quality
If you select 1200 Image Quality, the printer varies the size of...

Enhancing Print Quality346
Enhancing Print Quality
Appendixes
of grays, select a lighter Print Darkness setting (Lighter or Light-
est). Select a darker setting (Darker or Darkest) for bolder text and
darker gray scales.
You can change the Print Darkness setting for all resolutions.
Toner Saver
Toner Saver preserves the toner supply by reducing the amount of
toner on the printed page. This may help lower the cost of printing.
Toner Saver is recommended when printing rough drafts, since
print quality is...

347Enhancing Print Quality
Enhancing Print Quality
Appendixes
PQET is available for both 300 dpi and 600 dpi resolutions. PQET
offers the most benefit at 300 dpi.
When printing in 1200 Image Quality or 1200 dpi, the setting for
PQET is ignored.
PictureGrade
In PostScript Level 2 emulation, you can set PictureGrade On to
improve the print quality of halftone images. PictureGrade allows
a higher effective screen frequency while maintaining a large num-
ber of gray intensities.
Set PictureGrade On when...

Enhancing Print Quality348
Enhancing Print Quality
Appendixes 

Printer Specifications
Appendix
Printer Specifications349
Appendixes
Printer
Specifications
C
Dimensions
Duty Cycle
Supplies
Optra S 1255
and
Optra S 1625
Optra S 1855Optra S 2455
Height 13.2 in. (335 mm) 13.2 in. (335 mm) 25.6 in. (650 mm)
Width 15.9 in. (405 mm) 16.7 in. (425 mm) 17.5 in (445 mm)
Depth 19.5 in. (495 mm) 19.5 in. (495 mm) 20.5 in. (520 mm)
Weight
141 lb (18.6 kg) 42 lb (19.1 kg) 58 lb (26.4 kg)
Footprint 17.8 in. x 15.9 in.
(451 mm x 405 mm)17.8 in. x 16.7 in.
(451 mm x 425 mm)19.0 in....

Printer Specifications350
Printer Specifications
Appendixes 

Reference 

Notices353
Notices
Reference
Notices
Electronic Emission Notices
With a Network Card Installed
Federal Communications Commission (FCC) Compliance Information
Statement
The Optra S laser printer, Type 4059, has been tested and found to comply with
the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. Oper-
ation is subject to the following two conditions: (1) this device may not cause
harmful interference, and (2) this device must accept any interference received,
including...

Notices354
Notices
Reference
Avis de conformité aux normes d’Industrie Canada
Cet appareil numérique de la classe A respecte toutes les exigences du Règlement
sur le matériel brouilleur du Canada.
European Community (EC) Directives Conformity
This product is in conformity with the protection requirements of EC Council
directives 89/336/EEC and 73/23/EEC on the approximation and harmonization
of the laws of the Member States relating to electromagnetic compatibility and
safety of electrical equipment...