POSIFLEX PP-8902 User manual

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Package Contents
PP-8902 thermal printer (x 1)
Thermal paper roll (x 1)
Interface cable
(USB cable, or RS-232 cable) (x 1)
Paper separator for 2” thermal paper roll (x 1)
Power Adaptor (x 1)
Power Cord (x 1)
User manual (x 1)
Using poor-quality thermal papers which contain impurity
particles, for instance, sands, or metals, will scratch the
thermal paper head, and such a damage is not covered
under the warranty.
19770904010 Ver. A0
http://www.posiflex.com
PP-8902 Thermal Printer
User Manual

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Views of PP-8902
Top View
Left-side View
Power Switch
Paper Exit
Cover Release
Button
Power LED
Error LED
Paper Out LED
FEED Switch

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Bottom View
Views of I/O Interface of PP-8902
Rubber Pad
Rubber Pad
Mounting Holes
RJ11 cash drawer (CR) port
USB (Type B) Port
24 VDC-IN power jack
t
Serial Port

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Loading 2” or 3” Paper Rolls
Before operating the printer, please follow the below steps to load a paper roll.
1. Press down the hood release button to open
the top cover.
2. Before installing 2-inch paper roll in the thermal printer, follow the
instructions below to properly install plastic pad spacer and the
separator. If you are using 3” paper roll for the printer, please skip to
next step.
2.1. To install palstic pad spacer, first find two bosses located on
the right side of the printer compartment. Then, push down the
plastic pad spacer until it is well hanged onto the bosses.
If you need to remove it from printer compartment, pull it in
the opposite direction.
2.2. Since the separator has to be
installed in the correct direction,
please first hold the separatorin as
shown in the figure.

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2.3. Push the right-angled part of paper separator into the slot on the
top side of the paper roll compartment. Then, Slide another side of
paper separator into the slot on the bottom of the paper roll
compartment.
2.4. Make sure the paper separator is well
inserted.
2.5. Carefully drop 2-inch paper roll inside
the paper roll compartment.
3. To load the thermal printer with the 3-inch
paper roll, make sure the plastic pad is
removed from the printer compartment.
Then, carefully drop the thermal paper roll
inside the paper roll compartment of the
printer as illustrated in the figure.

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4. Unroll the thermal paper and drag the loose
end of the paper till it extends towards the
paper cutter.
5. Make sure the loose end sticks out of the
opening of the paper roll compartment.
Then, close the top cover by gently pushing
it back at the center of the top side of the
cover with a click sound.
6. Make sure the paper roll is well loaded with
the end of the paper sticking out as shown
in the figure.
To avoid paper jam occurring, do NOT press Cover Release
Button during printing.
Connecting Power Adapter and I/O Cables
Please follow the steps described below to connect power adapter and I/O
cables before powering on the printer.
1. Well attach power adapter to DC-IN power connector on the I/O plate.
2. Connect PP-8902 to the POS system using either USB or RS-232 cable.
2.1. If you are installing USB interface cable, plug Type-B
connector into Type-B USB port of PP-8902. Then, properly
attach Type-A connector to your POS terminal.
2.2. If you are installing RS-232 cable, well attach the male
connector of RS-232 cable to PP-8902 and the other end to the
POS terminal.
In order to allow PP-8902 to successfully detect what interface you are
using to transmit data, make sure ONLY ONE type of interface cable is
connected to avoid confusion. Also, reboot PP-8902 after you change
the interface cable for the printer, which enables the printer to
automatically re-detect the type of interface which is currently used.

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Restore Software Switch to Factory Default via Software Switch
Reset
Software Switch Reset is the specially-designed function aimed to facilitate
the factory reset process. Please go through the following instructions to reset
your printer to factory settings using Software Switch Reset.
1. Power OFF printer.
2. Open the cover of printer.
3. Press Feed button three times after powering on the printer.
4. Close the cover of printer.
5. The printer will emit a beep sound and then print a test page
displaying software switch setting
6. Afterwards, the printer will restart by itself.
7. Ensure whether all the software switches are properly set to
factory default. The below figure shows software switch setting
for factory defaults.
Software switch number
Pin Number
SW1
Pin 1 ~ 8 = OFF
SW2
Pin 1 ~ 8 = OFF
SW3
Pin 1 ~ 8 = OFF
SW4
Pin 1 ~ 8 = OFF

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Mounting PP-8902 onto a Wall (Optional)
Please follow the steps described below to mount POS printer on the wall
using wall-mount kits.
1. Define where the printer is mounted. Drill 2 holes about 3.15” or 80
mm apart. Each hole has to be at least 1/4” or 6.35 mm diameter
and at least 1 and 3/16” or 30 mm in depth.
2. After inserting two plastic anchors into the
holes you drilled in Step 1, slightly tap the
plastic anchors with a hammer until they are
fully inserted into the drilled holes.
3. Insert the screws into the plastic anchor,
screw them in but leave them sticking out
from the wall surface to mount the printer.
4. As shown in the figure, locate two holes on
bottom of PP-8902. Then, carefully hang
the printer onto the wall using the plastic
anchors with screws.
5. Push down the hood release button to open
the printer hood.

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6. Take the plastic clip out of the wall-mount kits. Squeeze both side of
the clip as illustrated in the figure, and then snap into the slot which
you can locate inside of the lesft side of printer compartment. Push the
clip down until it is well inserted into the slot with a click sound.
7. Slide the paper roll shaft through the paper roll. To put the whole
paper roll into place inside the printer compartment, first rest one end
of the shaft to the left-side roll holder and then the other end to the
right-side roll holder.
8. To remove the paper roll shaft from the printer compartment, gently
press down the plastic clip and then pull the shaft out of the
compartment.
9. After ensuring that paper roll with the shaft is well installed, close the
hood. At this point, the printer with an auto cutter will automatically
cut the excess paper.

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Troubleshooting Paper Jams
When it comes to the common printing problems, it is inevitable that you
might encounter the issue of paper jams at some point. The following steps are
provided to assist you in fixing the problem. Before proceeding, make sure that
your POS terminal is properly shut down.
1. To open the paper jams rescue compartment,
place your thumbs toward the center of the
compartment and then push the cover up in
the direction shown by the arrow.
2. In the paper jams rescue compartment, find
the adjustment wheel, which mainly allows
you to manually adjust the cutting position of
the cutter.
3. Keep turning the wheel in a clockwise
direction until the cutter is completely moved
back to its start position. You may observe
the cutter position through the gap between
paper jams rescue compartment and the
printer compartment.
4. Push down cover release button to test
whether the cover can be open. If the cover is
still stuck, please repeat step 3 until the cutter
position is set to the proper position and you
are able to open the cover.
5. Remove the jammed paper, reinstall the
paper roll, and then push back the cover to
close the paper jams rescue compartment.
Adjustment wheel