Lexmark C734dtn User Manual

aUnplug the printer hard disk interface cable from the system board, leaving the cable attached to the printer
hard disk. To unplug the cable, squeeze the paddle at the plug of the interface cable to disengage the latch
before pulling the cable out.
bRemove the screws holding the printer hard disk in place.
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cRemove the printer hard disk by pulling it upward to unseat the standoffs.
dRemove the thumbscrews that attach the printer hard disk mounting bracket to the printer hard disk, and then
remove the bracket. Set the printer hard disk aside.
4Remove the metal cover from the ISP opening.
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5Align the posts of the plastic tee to the holes in the system board, and press downward until the tee snaps into
place. Be sure each post of the tee has latched completely, and the tee is seated firmly on the system board.
6Install the ISP on the plastic tee. Angle the ISP over the plastic tee, and approach the plastic tee so that any
overhanging connectors will pass through the ISP opening in the system board cage.
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7Lower the ISP toward the plastic tee until the ISP is seated between the guides of the plastic tee.
8Insert the long thumbscrew and turn it clockwise enough to hold the ISP in place, but do not tighten the thumbscrew
at this time.
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9Attach the two provided screws to secure the ISP mounting bracket to the system board cage.
10Tighten the long thumbscrew.
Warning—Potential Damage: Do not overtighten the thumbscrew.
11Insert the plug of the ISP interface cable into the receptacle of the system board.
Note: The plugs and receptacles are color‑coded.
12Reattach the system board cover. Additional printer setup25
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Installing a printer hard disk
The optional printer hard disk can be installed with or without a Lexmark Internal Solutions Port (ISP).
Note: This task requires a flathead screwdriver.
CAUTION—SHOCK HAZARD: If you are accessing the system board or installing optional hardware or memory
devices sometime after setting up the printer, then turn the printer off, and unplug the power cord from the
wall outlet before continuing. If you have any other devices attached to the printer, then turn them off as...

bAlign the standoffs of the printer hard disk with the holes in the ISP, and then press downward on the printer
hard disk until the standoffs have seated into place.
cInsert the plug of the printer hard disk interface cable into the receptacle of the ISP.
Note: The plugs and receptacles are color‑coded.
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To install a printer hard disk directly on the system board:
aAlign the standoffs of the printer hard disk with the holes in the system board, and then press downward on
the printer hard disk until the standoffs have seated into place.
bAttach the two provided screws to secure the printer hard disk mounting bracket.
cInsert the plug of the printer hard disk interface cable into the receptacle of the system board.
Note: The plugs and receptacles are color‑coded. Additional printer setup28
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4Reattach the system board cover.
Reattaching the system board cover
Warning—Potential Damage: System board electrical components are easily damaged by static electricity. Touch
something metal on the printer before touching any system board electronic components or connectors.
Note: This task requires a flathead screwdriver.
1Align the eight keyholes with the screws to replace the cover.
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2Slide the cover down, and then turn each screw clockwise to tighten.
Installing hardware options
Installing optional trays
The printer supports three types of optional input sources: an optional 550‑sheet tray, an optional 2,000‑sheet tray,
and an optional 550‑sheet specialty media drawer. Instructions for installing an optional input source are the same for
each.
CAUTION—TIPPING HAZARD: Floor-mounted configurations require additional furniture for stability. You must
use either a printer stand or...