Epson Stylus Pro 7900 User Manual

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Clearing Paper Jams
When roll paper gets jammed in the printer, printing stops and you see a 
PAPER JAM message on the LCD display. Follow these steps to clear a 
paper jam:
1. Cut the paper at the paper insertion slot.
2. Press the   button to release the paper.
3. Rewind the paper.
 

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4. Open the front cover if necessary.
5. Carefully pull down the jammed paper.
Caution: To avoid damaging the printer, do not touch the cables around 
the print head or the roller, ink absorption pad, or ink tubes. 
6. Close the front cover, if necessary. Press the PPower button to turn the 
printer off and then back on.
 

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Uninstalling and Reinstalling the Printer Driver
If you need to uninstall and then reinstall the printer driver software for any 
reason, follow the instructions in the appropriate section below. 
Macintosh OS X 10.5
1. Select System Preferences, then select Print & Fax.
2. Select your printer, then click the – button.
3. If you want to reinstall your printer software, restart your Macintosh. 
Then follow the instructions on page 49 to install the software.
Macintosh OS X 10.4
1....

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Environmental
Electrical
Check the label on the back of your printer for voltage information.
OperationStorage
Temperature50 to 95 °F 
(10 to 35 °C)
Print quality guarantee: 
59 to 77 °F 
(15 to 25 °C)–4 to 156 °F 
(–20 to 60 °C)
Humidity
(without 
condensation)20 to 80% RH 
Print quality guarantee:
40 to 60%5 to 85% RH
(stored in shipping 
container)
SpecificationDescription
Input voltage range90 V to 264 V
Rated frequency range50 to 60 Hz 
Input frequency range49.5 to 60.5 Hz
Rated current1.0 A...

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Dimensions and Weight
Printer Interfaces
USB (1.1 and 2.0 compatible)
Ethernet 10/100 BaseT
Safety Approvals
Media
Roll Paper
SpecificationEpson Stylus Pro 7900Epson Stylus Pro 9900
Height48 inches (1218 mm) 48 inches (1218 mm)
Width53.4 inches (1356 mm) 73.4 inches (1864 mm)
Depth26.26 inches (667 mm) 26.26 inches (667 mm)
Weight 
(without consumables)222 lb (100.9 kg) printer, 
stand, and paper basket298 lb (135.1 kg) printer, 
stand, and paper basket
Safety standardsUL 60950-1...

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Cut Sheets
Epson Cut Sheet Paper SizesWeight range17 lb (64 g/m
2) bond up to posterboard
Size groupSize nameMeasurements
A Series A4 8.3 
× 11.7 inches 
(210 × 297 mm)
A3 11.7 × 16.5 inches 
(297 × 420 mm)
Super A3/B 13 × 19 inches 
(329 × 483 mm)
A2 16.5 × 23.4 inches 
(420 × 594 mm)
A1 23.4 × 33.1 inches 
(594 × 841 mm)
Super A1 24 × 36 inches 
(610 × 910 mm)
A0* 33.1 × 44 inches 
(841 × 1189 mm)
Super A0* 36 × 50.9 inches 
(914 × 1292 mm)
US-ANSI Letter 8.5 
× 11 inches 
(216 ×...

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US-ARCH ARCH A 9 × 12 inches 
(229 × 305 mm)
ARCH B 12 
× 18 inches 
(305 × 457 mm)
ARCH C 18 × 24 inches 
(457 × 610 mm)
ARCH D 24 × 36 inches 
(610 × 910 mm)
ARCH E* 36 × 48 inches 
(910 × 1219 mm)
B Series B5 7.2 
× 10.1 inches 
(182 × 257 mm)
B4 10.1 × 14.2 inches 
(257 × 364 mm)
B3 14.2 × 20.3 inches 
(364 × 515 mm)
B2 20.3 × 28.7 inches 
(515 × 728 mm)
B1* 28.7 × 40.5 inches 
(728 × 1030 mm)
B1 Landscape* 40.5 × 28.7 inches 
(1030 × 728 mm)
B0 40.5 × 57.3 inches 
(1030 × 1456...

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* Epson Stylus Pro 9900 only
Printable Area
Default roll paper margins are 0.59 inch (15 mm) top and bottom, and 
0.12 inch (3 mm) right and left. Using the menu system, you can set all the 
margins to 15 mm or 3 mm, or set the top margin to 35 mm.
The borderless printing feature allows edge-to-edge printing on some media.
Ink Cartridges
Others — 24 × 30 inches 
(610 × 762 mm)
— 30 × 40 inches* 
(762 × 1016 mm)
— 36 × 44 inches* 
(914 × 1118 mm)
— 11.8 × 15.7 inches 
(30 × 40 cm)
—...

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