Lexmark Optra S 1250 Manual

275Duplex Option
Duplex Option
Installing Options
7Lift and lower the duplex option onto the top optional or
standard paper drawer.Be sure the edges of the duplex
option are aligned with the drawer underneath so that all
the parts fit. 

Duplex Option276
Duplex Option
Installing Options
8Notice the following parts on the duplex option: the tab,
the round hole, and the four square holes.These are
exactly like the same parts on an optional or standard
paper drawer. The printer has matching holes on its bottom
surfacethatalignwiththeseparts.
Square HoleRound HoleTab 

277Duplex Option
Duplex Option
Installing Options
9Lift the printer by the hand grips or ask someone to help
you lift it and lower it onto the duplex option.Be sure the
edges of the printer and the duplex option are aligned so
that all the parts fit.
10Reconnect any disconnected cables.
11Plug in the printer power cord.
12Turn the printer power On (|).
Note:Verify that the duplex option is installed properly.
See “Verifying the Installation of Options” on
page 325.
Hand Grip 

Duplex Option278
Duplex Option
Installing Options
Changing Duplex Settings
You can select duplex functions from the operator panel or from
your software application if it supports duplex printing. If the
software setting differs from the operator panel setting, the
software setting overrides the panel setting. For example, if you
select duplex printing from the operator panel, but the software
specifies single-sided printing, the printer prints single-sided
pages.
When the Duplex Option is installed, the...

279Duplex Option
Duplex Option
Installing Options
Long edge binding means all pages are attached along the long
edgeofthepage(theleftedgeofaportrait-printedpageandthe
top edge of a landscape-printed page). For example, the pages of
this book were printed using long-edge binding.
The following illustration shows long-edge binding for portrait
and landscape pages.
Short edge binding means all pages are attached along the short
edge of the page (the top edge of a portrait printed page and the
left edge of a...

Duplex Option280
Duplex Option
Installing Options
Selecting Paper
The duplex option handles high-quality xerographic copier
papers, office papers, and selected bond papers. For best results,
use only non-recycled xerographic paper.
You can use the same weight and type of paper with the duplex
option as you use with the printer. You can use overhead
transparencies or envelopes for single-sided printing when the
duplex option is installed but not selected.
See the table on page 125 and “Paper Size...

Installing Options
Output Expanders
Chapter
Output Expanders281
Output
Expanders
15
You can install up to three optional output expanders on an Optra
S 2455 or Optra S 1855. They are mounted on top of the printer or
ontopofeachother.
Your printer may have up to five paper sources, so you may need
more than just the printer standard bin to handle the output. See
“Paper Exits (Output Bins)” on page 153 for an explanation of how
many sheets each model can accommodate in the printer standard
bin. Once one or...

Output Expanders282
Output Expanders
Installing Options
brackets could cause damage, such as
scratches or cuts, to tabletops or fabrics.
Installing an Optional Output
Expander
Note:Options compatible with the Optra S 1855 are labeled with
a colored circle. If the option is not labeled with a colored
circle, do not install it on an Optra S 1855. See the table on
page 1 for the location of the label.
1Turn the printer power Off (O). 

283Output Expanders
Output Expanders
Installing Options
2Grasp the top cover and pull it up to remove it.
The top portion of the printer is exposed. 

Output Expanders284
Output Expanders
Installing Options
3Insert the mounting brackets located on each side of
the output expander into the mounting slots located
on each side of the exposed area in the top portion of
the printer.
To help maintain alignment of the brackets to
the slots, align the right and back edges of the output
expander with the corresponding edges of the top portion
of the printer.
Note:Make sure the output expander is connected
securely.
Mounting Bracket
Mounting Slot