Workhorse PhotoSharp Bedienungsanleitung
Owner’s Manual
PhotoSharp
3730 E. Southern Avenue, Phoenix, AZ 85040 USA
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Table of Contents
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I. Introducon …………..…………………………...………………….…...………….………. 3
II. Specicaons …..……………..………………………...………….……...….…..…….…. 4
III. Safety Procedures …..……………..……………………….……………….…….………. 4
IV. Operaons ……………………………………………………………………………………… 5
V. Exposure Timer …………………………………………………….…..….……….………. 6
VI. Exposing a Screen …………………………………..….……………………………....… 8
VII. Disassembly of the Unit ……………………….…………….………………….….… 12
VIII. Maintenance ……………………………………………..…………………………....… 13
IX. Replacing the Blanket …………………………………………….………………..…… 15
X. Safety Features ……………………………………………………..……….…..…..…….. 16
XI. Parts List …………………………………………………………….………………….…….. 17
XII. Wiring Diagram …………………………………………………………….…………….. 18
XIII. Limited Warranty …………………………………………………………………….... 19
Introducon
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Congratulaons on your purchase of the PhotoSharp.
Check the crate for damages. DO NOT accept the crate if there are any damages caused by improper
handling during shipping. Immediately report any damages to the carrier and contact Workhorse Products at,
800-778-8779.
Be sure to inspect the crate contents IMMEDIATELTY, while the carrier is sll present. Even though our
packaging has been designed to handle normal shipping condions, we cannot foresee damages done by the
carrier. We will not be responsible for damages that occur during transportaon.
If there are damages immediately nofy the driver, le a claim with the carrier and call Workhorse Products.
The Importance of the Owner’s Manual:
The purpose of the Owner’s Manual is to familiarize you with the parts and operaons of the PhotoSharp.
There are step-by-step instrucons to assemble the press, accompanied with links to videos for further
assistance. Also included are explanaons of the product’s key features, and addional informaon that will
help with the maintenance of your press.
Safety Procedures
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WARNING!
RISK OF ELECTRICAL SHOCK! Turn ALL power to unit OFF before service.
All service should be done by or under the supervision of a trained technician.
THIS ELECTRIC EXPOSURE UNIT IS INTENDED SOLELY FOR THE PURPOSE OF CURING INK ON TO TEXTILE
AND CUT GOODS. THIS FLASH IS NOT ITENDED FOR USE IN HEATING, CURING OR BAKING OF ANY OTHER
MATERIALS WHATSOEVER. THIS FLASH IS INTENDED FOR IN-DOOR USE ONLY.
THE EXCLAMATION WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE USER OF IMPORTANT
SAFETY PRECAUTIONS SHOP PERSONNEL SHOULD BE AWARE OF DURING OPERATION.
To ensure safe and reliable operaon of your exposure unit, all personal should be thoroughly trained on
the following procedures:
1. For your safety, do not store or use gasoline or other inammable vapors and liquids in the vicinity of
machine or within 3 feet (1 meter) of this or any other appliance.
2. NEVER alter the internal wiring of this machine.
3. Keep all loose arcles (including clothing, hair, jewelry, etc.) away from the vacuum motor.
4. Ensure all outlets used are suciently grounded and never plug in a frayed or damaged cord.
5. Do not use this unit if it has become wet or while standing in water.
6. Do not store objects on top of exposure unit.
7. Disconnect power prior to removing the glass or opening the control box.
Operaons
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(A) (B)
(C)
(D) (E)
(F) (G)
(H) (H)
(I)
(J)
(K)
(L)
(A)Latch and Seal
(B) Controls
(C) Top Panel
(D)Light Source Drawer
(E) Casters
(F) Hold Down Blanket
(G) Vacuum Nipple
(H) Dual Cooling Fans
(I) Vacuum Line
(J) Power Cord
(K) Light Source/Shuer
(L) Vacuum
Exposure Timer
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(A) Vacuum: Turn on/o the vacuum.
(B) Mode: Set the mer to be in seconds, minutes or hours. Hold the buon unl it beeps and the light
switches to indicate what mode is selected.
(C) Increase/Decrease: Increase/decrease numbers.
(D) Timer Switch: Opens the shuer and begins exposure process for alloed me.
(E) Main Power: Turn the PhotoSharp on/o.
(C)(B) (D) (E)
(A)
1. To set the mer, the power switch needs to be in the o posion.
Press and hold the mode buon while turning the power switch on.
Release the mode buon and the display will read “t on” to indicate
the mer is now operang in mer mode.
2. Press and release the mode buon once and the display will read
“s of” to indicate the mer is set to display seconds only.
Exposure Timer
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3. Press and release the up buon once and the display will read
“s of” to indicate the mer is set to display me in minutes and
seconds.
4. Press and release the mode buon again and the display will
show the factory default set me of 15 seconds.
5. To set the desired exposure me, hold down the mode buon
and the down arrow at the same me for approximately three to
ve seconds. The mer will beep and the colon between the
minutes and seconds will begin to blink indicang the mer is
ready to be programmed. Use the up and down buons to adjust
the mer to display the desired exposure me.
Press and hold the mer switch for one second to start the mer.
6. When the exposure cycle is complete the mer will
automacally return to the me that was previously set.
The exposure cycle may be halted at anyme by pressing
the releasing the mer switch.
Exposing a Screen
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There are many variables that inuence how a screen is to be exposed. Some of these variables are:
emulsion brand, emulsion type, coang technique, mesh count, humidity, atmospheric temperature,
and even the light source itself. Therefore, there is no denive procedure to properly expose a
screen.
Step 1:
Properly prepare the screen to be exposed. The screen needs to be
clean, dry and properly tensioned.
Step 2:
Direct emulsion should be applied with a scoop coater, which is
available in a variety of sizes. The scoop coater should be able to t
just inside the screen and be slightly larger then the image. It’s best
to use a sharp edge scoop coater, because the sharp edge pushes a
thin deposit of emulsion making it possible for ne details to be
printed.
Working under subdued light, ll the coater’s reservoir with room
temperature direct emulsion. Put the screen in the vercal posion
with the print side facing out. Place the coater at the boom edge
and lt it slight forward unl the emulsions touches the mesh. With
even speed slowly pull the coater towards the top of the screen.
Stop pulling the coater about two inches from the top and lt the
coater slightly backwards to let the emulsion sele into the
reservoir. Repeat this process for the inside squeegee side.
It’s important to coat the outside print side rst because it will leave a heavier deposit emulsion on the
outside of the screen, which is needed.
Most likely, a small amount of emulsion will escape from the reservoir during the coang process and leave
thick deposits along the edge of emulsion. Just simple remove the thick deposits with a scraper.
Exposing a Screen
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Step 3:
The screen needs to be dried in a dark locaon. Dry the
screen in a horizontal posion with the outside print side
facing down. This posioning is essenal to aid the
drawing emulsion to create a at and smooth surface. A
fan can be used to circulate the air around the screen
decrease the drying me. The normal drying me for a
properly coated screen can be anywhere from 30 –60
minutes. However, areas that have moisture in the air
will take exceedingly longer.
Step 4:
There is no standard exposure me because of all of the variables
involved. Use an exposure calculator to properly determine the
correct exposure me. Most emulsion manufactures have their
own exposure calculator, but they all relavely funcon in the
same manner.
Exposure calculators are lm posives that have various degrees
of detailed lines that are covered with dierent factors. The
purpose is to expose the calculator onto a screen as a starng me and
each lter will have a factor number. Aer the screen is washed out,
observe which image is the hardest while containing the most detail
and mulply the factory number by the starng exposure me to get
the correct exposure me.
A Workhorse SD-10 drying cabinet will immensely speed up the drying process and eliminate the danger of
dust, which will guarantee high quality screens and increase producon speed.
For example, a screen is exposed for one minute with the calculator and the best image washed
out has a lter factor of .5 , so 1:00 x .5 = 30 seconds. To guarantee the best screens test every screen that
has a dierent variable like: dierent mesh count, dierent emulsion brand, and dierent coang technique.
It’s best to test for each season change. The seasons inuence temperature, humidity and moisture that will
aect the exposing of a screen.
Exposing a Screen
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Step 5:
Inspect the glass to make sure that it’s clean. Clean glass
makes a beer quality screen.
Step 6:
Aach the lm posive to the print side. The posive
should be posion so that from the squeegee side,
the posive is read le to right. It’s very helpful to
use a preregistraon system to make sure each piece
of lm is aached to the screen in proper relaon to
the other images.
Step 7:
Lay the frame on the glass with the lm side down
and the squeegee side up. Next, lay the rope from
inside the screen across the screen edges and in
front of the vacuum hole. The rope creates an escape
route for the air inside the frame, it also keeps the
vacuum port from sealing against the glass.
Step 8:
Close the vacuum lid and latch it into place with the red
latch/seal mechanism. First, turn the power buon on.
Second, hit the vacuum switch and allow the vacuum
blanket to complete and draw down around the frame.
Third, set the desired exposure me and then press the
mer switch, which will trigger the light and start the
mer countdown for the amount of me that was
previously set.
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