Setting%20up%20the%20Ricoh%20C305

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Setting up the Ricoh C305
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This PowerPoint presentation is to help you setup
up the CPI system on the Ricoh C305 series. The
original RD was based on the 301 series, however
the wiring should be identical for both models.
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I would like to show you the components that we
are going to use in this installation. First we
have the Optional Counter Interface, which is
our key counter port. We have designed a circuit
board that integrates and tracks both the ADF and
glass top scanner. Together with the Key counter
port they form the systems main interface
module.
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There is also a reed relay and a magnet, the base
components of the copier's Glass top Scanning
and tracking mechanism.
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The interface box, the first pair of wires wire
on top are to be soldered to the ADF circuit
board while the 2nd pair connect to the reed
relay on the glass top scanner. The 20 pin Key
Counter Port connector, and of course, the bottom
one here is the 9-pin connector that attaches to
the CPI system.
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After you attach the Key Counter Ports harness
to the copiers main board, you need to mount the
circuit board on the interface box and secure it
with these 4 screws. This unit then is placed
and remains inside the copier.
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This the back of the copier. Here we have the
interface box, the 2 cables, one is soldered to
the ADF sensor and the other is connect to the
relay for glass top scanning.
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We are now going to work on the ADF circuit board
and attach that to our Interface box.
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First we have to remove the back cover to access
the ADF circuit board, remove the screw
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Open the glass cover and locate the 5 locking
hinges. Insert a screw driver and carefully pry
them open.
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We are now looking down on the ADF circuit board
after the cover is removed. This is the board we
are targeting. Remove all connecting cables from
the board. Dont worry, each is a different size
and can only go in one direction. Remove the
board and focus on the back of it.
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This is the back of the ADF circuit board. You
have to solder the Black wire to the 3rd pin from
the top right row. The Red wire is soldered to
the 3rd pin below it, on the 2nd row. Polarity is
important here so make sure you solder the proper
pins in a clean manner and they do not contact
any other pin or trace.
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This is where the 2 wires we just soldered attach
to the black interface box
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The 2nd sensor we are going to setup is to detect
scans from the glass top scanner.
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This is 5 relay placed under the glass with this
magnet. They generates a pulse each time a page
is scanned.
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Remove the ADF, turn it around and place it
behind the copier while you are setting up the
glass top sensor.
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To access the scanning mechanism, locate and
remove all 7 screws from the top panel.
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Get the relay ready by removing the protective
cover at the bottom of its double sided adhesive
tape.
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Scanner
1 2 3 4 5
Place the relay in the 2nd compartment to the
right of the scanner, as close you can get to the
scanners track .
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Now lets get the magnet ready by removing the
protective cover from its double sided tape.
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1/8
Relay
Secure the magnet to the right side of the
scanner with the metal part under the white
ribbon . Make sure it is level to the relay with
a gap of about 1/8 of an inch.
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This is how the setup should look when completed.
As the scanner platform slides down it activates
the relay sending a pulse to the CPI system
indicating a page has been scanned.
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Lets get these wires routed properly to avoid
being damaged when the back cover is placed. Try
and guide them around these plastic pathways down
to the black interface box.
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This is how the back of the copier would look
with the interface box. Try and place the box
behind these 2 orange wires. If loose, secure it
properly with soft foam or bubble wrap.
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Replace the back cover. In order to guide the CPI
9-pin connector and harness out, you have to
break off and remove one of the bottom notches
from the back cover. When done, secure the CPI
module with 4 screws drilled into the back of the
copier. Make sure you do not damage any of the
components during drilling.
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The Test chip will allow you to the test the
ADF and the Glass top sensors. Make sure you
reduce the Fax speed to 14.4K Call Basil if
you have any questions 321-622-5677