Epson EPL N2550DTT User Manual

Installing Options201
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See Printing with the Duplex Unit on page 65 for information 
about duplex printing.
Removing the Duplex Unit
Follow these steps to remove the optional Duplex Unit.
1. Turn the printer off and unplug the power cord and interface 
cable.
2. Loosen the two screws on the lower sides of the Duplex Unit.
3. Press the unlock button to unlock the hooks, then remove the 
unit from the printer.
 

202Installing Options 4. Attach the upper option cover and lower option cover.
5. Reconnect the interface cable and power cord, then turn the 
printer on.
Memory Module
By installing a Dual In-line Memory Module (DIMM), you can 
increase printer memory up to 320 MB (printer standard 64 MB 
plus optional 64, 128, 256 MB). You may want to add additional 
memory if you are having difficulty printing complex graphics.
Installing a memory module
Follow these steps to install an optional memory module.
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Installing Options203
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1. Turn the printer off and unplug the power cord and interface 
cable.
2. Remove the cover on the printer’s right side by removing the 
screw on the back of the printer and sliding the cover 
backward.
 

204Installing Options 3. Loosen the two screws using a screwdriver. Then hold the tab 
on the top of the shield cover and remove the cover.
4. Identify the RAM slot.
* RAM slot (gray)
 

Installing Options205
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5. Insert the memory module into slot until the clip lock onto the 
memory module. Make sure that the left slot (white) has a 
module at all times.
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Caution:
❏Do not force the memory module into the slot.
❏Be sure to insert the memory module facing the correct 
way.
❏You should not remove any modules from the circuit 
board. Otherwise, the printer will not work.
 

206Installing Options 6. Reattach the shield cover with two screws as shown below.
7. Reattach the right side cover to the printer as shown below. 
Then, tighten the screw on the back of the printer.
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Warning:
Tighten the screw firmly to prevent the printer’s right side 
cover from the falling off when moving the printer.
 

Installing Options207
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8. Reconnect the interface cable and power cord and turn the 
printer on.
9. To confirm that the option is installed correctly, print a status 
sheet. See Printing a Status Sheet on page 245.
Removing a memory module
Perform the installation procedure in reverse.
When removing a memory module from its slot, press the clip 
and pull out the memory module as shown below.
Note:
If the optional memory module is hard to remove, temporarily remove 
the other memory...

208Installing Options
Interface Card
Your printer comes with a Type B interface slot. Various optional 
interface cards are available to expand your printer’s interface 
options.
Installing an interface card
Follow these steps to install an optional interface card.
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Caution:
Before you install the interface card, be sure to discharge any 
static electricity by touching a grounded piece of metal. 
Otherwise, you may damage static-sensitive components.
1. Turn the printer off and unplug the power cord and...

Installing Options209
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2. Remove the screws and the Type B interface card slot cover 
as shown below.
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Warning:
Removing screws and covers that are not described in the 
following instructions will expose high voltage areas.
Note:
Keep the slot cover in a safe place. You will need to reattach it if you 
remove the interface card later.
 

210Installing Options 3. Slide and push the interface card into the slot firmly, then 
fasten the screw as shown below.
4. Reconnect the interface cable and power cord and turn the 
printer on.
5. To confirm that the option is installed correctly, print a status 
sheet. See Printing a Status Sheet on page 245.