Gestetner 320 User manual

"
320
STENCIL
DUPLICATOR
Operating Instructions
GESTETNER CORPORATION

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GESTETMER CORPORATION
• YONKERS • NEW YORK
Contents
How to Operate your Gestetner 320 Stencil Duplicator
Re-running Used Stencils
Color Changing
Feeding Short Card or Paper
To Close Machine
Page
2
7
8
10
11
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FEEDBOARD
HANO FEED
i
. . . . . . . . .
THE
ORGANIZATION
BEHIND
GESTETHER
. . . . . . . . .
To the purchaser of this machine
You have just installed your Gcstetner-and may we, the
manufacturers, extend our sincerest congratulations. This
Gestetner duplicator will serve you well and faithfully for
many years to come. It has behind it a tradition of over 80
years of constant research for improvement, and an organ-
ization whose motto and keystone is SERVICE. Your local
Gestetner dealer is equipped to extend to you every possible
service and assistance-you have only to call him.
Your Investment in this Gestetner Stencil Duplicator is
secured by a world wide organization, the oldest and largest
in its field, and by a guarantee of service which is famous
all over the world. The investment you have now made in
this Gestetner will be rapidly paid off in substantial savings
We welcome you into the world wide family of
Gestetner users.
How to operate your
320
Stencil Duplicator
STEP 1
Remove Cover. Lower Feedboard and
Receiving Tray. Turn Handle out-
wards. Insert plug into electrical
outlet.
STEP 2
Check that Feed Lever is raised and
give Handle one complete tum clock-
wise to ensure Feed mechanism is not
operating.
Ensure that the Hand Feed LP.ver
is raised.
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Inking Machine
STEP 3
Open Inker Door (ill. A).
Raise Tube Locking Lever (B).
Hold Ink Tube by the shoulder and
remove cap.
NOTE: DO NOT SQUEEZE TUBE.
Place crimped end in 'V' of Tube
Support and press gently downwards
until Tube Nozzle is level with Tube
Holder. (C).
Insert Tube Nozzle into Tube
Holder. (D).
Push Nozzle fully into Holder. (E).
Then push Tube Locking Lever fully
downwards until roller 'R' is at extreme
end of slot 'S'. Close Inker Door. (F).
STEP 4
Turn Ink Selector to full width inking
position-this is indicated by a full blue
line appearing on top of Ink Selector.
Start machine by raising Switch.
Apply ink by moving Ink Lever fully
backwards and forwards with a slow,
steady action. When ink is evenly
distributed a uniform, thin film of ink
will be visible, giving a slight sheen to
the surface of the Silk Screen.
Then switch off machine by de-
pressing Switch.
NOTE: Ink can be applied to full
width. left hand side, right hand side
and center of Stencil by means of Ink
Selector.
Ink positions are indicated by four
blue markings on Selector as shown in
illustration.
Fitting Stencil
STEP 5
Turn Handle clockwise until Stencil
Fixing Bar is at top of machine. Lift up
Stencil Fixing Bar Cover until it locks
in raised position. Fasten Stencil with
typed side towards Silk Screen, making
sure that holes in Stencil Heading fit
securely over Fixing Bar Studs. Close
Fixing Bar Cover.
DJCJGJD
FULL WIDTH
INKING
~
LEFT HAND
INKINc;
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RIGHT HAND
INKING
CENTER
INKING
STENCIL FIXIN BAR COVER
NCIL FIXING BAR
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SIDE G
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BACKING SHEET
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BACK GU I DE
STEP 6
Place right hand lightly on center of
Backing Sheet just below Stencil Fixing
Bar, turn Handle slowly clockwise,
keeping right hand steady to maintain
continual pressure over full length of
Backing Sheet. Stop turning when the
Handle is in its top position.
Raise Backing Sheet, if stencil is
creased re-lay it by hand-See Page 7
Turn Handle clockwise to its bottom
position.
STEP 7
Depress Proofing Button, turn Handle
slowly one complete revolution clock-
wise and release Proofing Button.
Turn Handle to its top position, turn
back Backing Sheet and check that the
copy is uniformly inked. If necessary
repeat the operation.
When the copy is uniformly inked
hold bottom edge of Backing Sheet,
raise it slightly outwards and turn the
Handle anti-clockwise to its bottom
pos1t1on. Remove Backing Sheet by
tearing it off along perforated line.
Adjust Receiving Tray and
Feedboard
STEP 8
Raise Back and Side Guides of
Receiving Tray and move them fully
outwards.
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STEP 9
Pull Back Fence fully to rear of
Feedboard.
Fan out paper and jog it back to
original state. Place paper on Feed-
boardfully forward; use scale to position
paper centrally on Feedboard.
NOTE: Never place more paper on
Feedboard than will fit easily under
Paper Height Stop.
Move Side Fences to rest lightly
against paper stack, and secure them
in this position.
Move Back Fence forward until it
almost touches rear edge of paper stack
and lower Paper Weight on to paper.
NOTE: For quick reloading raise
Paper Weight to top position and lay
Back Fence horizontal to Feedboar d.
Setting Feed Unit
STEP 10
Check position of Feed Pressure Lever.
For normal use it should be at top of
slot'+'.
If lightweight paperis to be fed move
Feed Pressure Lever to bottom of
slot'-'.
Printing First Copy
STEP 11
Raise Feedboard by turning Feedboard
Raising Knob until paper contacts
Paper Height Stop. The Raising
Knob is automatically disengaged when
this position is reached.
Depress Feed Lever, slowly turn
Handle clockwise and as soon as Feed
mechanism begins to operate raise Feed
Leverwhilst completing clockwise turn
of Handle.
PRINT H
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FE ED BOARD
R AI SING KNOB
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Positioning of Copy
STEP 12
Examine copy for correct position.
Turn Print Height Adjuster UP-
WARDS to RAISE and DOWN-
WARDS to LOWER copy.
NOTE: This adjustment is un-
necessary if instructions on stencil are
observed and Print Height Adjuster
set at 'O'.
Adjust side margins by moving paper
stack across Feedboard using the scale
as a guide.
Setting Receiving Tray
STEP 13
Set Receiving Tray by laying edge of
printed copy against Front Guides.
Move Front and Side Guides to
touch sides of copy.
Move Back Guide to touch top edge
of copy.
Setting of Counter
STEP 14
SetCounter to number of copies needed
by turning Hundreds Setter anti-clock-
wise to 100' s required on inner dial,
and turn Units Setter anti-clockwise to
units required on outer dial.
Example - Illustration shows
Counter set for 1,025 copies.
When required number of copies has
been printed the Counter registers 'O'
and automatically stops Feed
mechanism.
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Printing Copies
STEP 15
Select speed of machine -RAISE
Speed Switch for FAST speed and
LOWER for SLOW speed.
Start machine by raising Switch.
Depress Feed Lever to commence
printing.
IMPORTANT: If it is desired to
change speed of machine, always raise
Feed Lever before doing so.
TO STOP MACHINE WHILST
PRINTING FIRST RAISE FEED
LEVER AND THEN DEPRESS
SWITCH.
Watch copies as they are printed to
ensure machine remains adequately
inked. When necessary apply ink by
operating Ink Lever.
When paper on Feedboard is almost
exhausted the Feed mechanism stops
and the Feedboard drops to its bottom
position. Switch off machine and
remow copies from Receiving Tray .
RE-RUNNING USED STENCILS
Ink machine and attach stencil as in
Steps 4 and 5.
Turn Handle until Stencil Fixing Bar
is in line with Feed mechanism.
Grip bottom of Stencil. hold it
upright and then lay it evenly on Silk
Screen over its entire length.
Remove any creases by lifting bottom
of Stencil with right hand and re-laying
Stencil slowly on Silk Screen. Turn
Handle a little at a time and stretch out
any creases with fingers of left hand.
NOTE: DO
PROOFING
NOT DEPRESS
BUTTON.
S PEED
SWITCH
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STENCIL
FIXING BAR
• SPRING BAR
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CATCH
COLOR CHANGING
STEP 1
Disconnect Silk Screen Springs. Lift
up Spring Bar, raise Silk Screenupright,
lift up Stencil Fixing Bar Cover and
with a slightpull disconnect Silk Screen
from Stencil Fixing Bar.
STEP 2
Raise Inking Roller Lever and with-
draw Inking Rollers from machine.
STEP 3
Open Inker Door. Raise Tube Locking
Lever. Remove Ink Tube and replace
its cap.
Depress Pump Catch and withdraw
Ink Gun. Close Inker Door.
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STEP 4
Place a Color Change Strip, wording
uppermost, firmly on main bar of Color
Changer. Hold the Color Changer by its
Levers and insert it between the Cylinders
at the back of the machine with the pronged
links inwards. Fold Levers fully inwards.
STEP 5
Turn Handle slowly for one complete
revolution. Open Levers outwards.
Withdraw Color Changer. Discard Color
Change Strip and wipe Cylinders with a
soft cloth.
STEP 6
Insert new Inking Rollers and lower Inking
Roller Lever. Turn Handle to check that
both Inking Rollers rotate and oscillate.
Insert new Ink Gun and push inwards
until it is locked in position by the Pump
Catch.
Raise Stencil Fixing Bar Cover.
Unroll Silk Screen. With your righthand
hold right hand end of Spring Bar-in this
position two studs on Spring Bar will be
facing you; and with other hand hold left
hand end of Screen Tin .
Stand behind Receiving Tray and hold
Silk Screen outstretched and vertically
above slots in Fixing Bar.
Insert hooks of Screen Tin in Slots and
slightly lower Screen towards you.
Still holding Spring Bar with right hand,
lower Screen and turn Handle slowly with
left hand.
Connect Screen Springs to Fixing Bar.
SPRING BAR
SILK SCREEN
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