Gestetner 460 User manual

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· _~ Operating ~ instructions
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Gestetner
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CONTENTS
Page
How to operate y our Gestetner 460 Stencil Duplicator
r-6
Settin g Paper Jogger . 6
Setting Cont i numatic Inker
7
Color Changing . 8-9
Feeding Short Paper and Cards
IO
Closing Machine . I I
Summary of operating procedure
12
Re-running used Stencils
12
Setting Interleaver
13
FOR BEST RESULTS USE GENUINE GESTETNER SUPPLIES
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Lower Feedboard and Receiving Tray. Turn
Handle outwards. Check that Switch is fully
lowered in its 'off' position. Connect power plug
to electrical outlet.
Check that Feed Lever is raised and give Handle
one complete turn clockwise to ensure Feed
mechanism is not operating.
INKING MACHINE
Open Inker Door.
Raise Tube Locking Lever.
Hold Ink Tube by the shoulder and remove cap.
NOTE: DO NOT GRIP TUBE.
Place crimped end in Tube Support and insert
Tube Nozzle into Tube Holder.
Then push Tube Locking Lever fully downwards.
Close Inker Door.
F l E D LEVER
n
FEEDBOARD
INKER DOOR
SWITCH
TUBE
SUPPORT
HANDLE
RECEIVING
TRAY
LOCKING LEVER
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• • • • • • • • •
THE
ORGANIZATION
· BEHIND
GESTETNER
• • • • • • • • •
Tum Ink Selector to full width inking position-
this is indicated by a full blue line appearing on
top of Ink Selector-see Page 7.
Start machine by raising Switch.
Apply ink by FULLY depressing Ink Switch and
holding it in this position until a uniform , thin film
of ink is visible, giving a slight sheen to the surface
of the Silk Screen. Then depress Ink Stop Switch.
Switch off machine.
FITTING STENCIL
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 studs of Fixing Bar.
Close Fixing Bar Cover.
To thepurchaser of thismachine
You have just installed your Gestetner-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 organiza-
tion 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.
2
SWITCH INK STOP
SWITCH
INK SELECTOR
INK S WITCH
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Place right hand lightly on Backing Sheet, turn
Handle slowly clockwise and maintain continual
pressure over full length of Backing Sheet until the
Handle is in its top position.
Turn back Backing Sheet, if stencil is creased
re-lay it by hand-see page I I. Turn Handle
clockwise to its bottom position.
Depress Proofing Button, turn Handle slowly one
complete revolution clockwise 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 counter-clockwise to its bottom
pos1t1on. Remove Backing Sheet by tearing it off
along perforated line.
PREPARING RECEIVING TRAY
AND FEEDBOARD
Raise Back and Side Guides and move them fully
outwards.
BACKING SHEET
PROOFING BUTTON
SIDE GUIDES
3
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Pull Back Fence fully to rear of Feedboard.
Fan out paper and square it up to original state.
Then place on Feedboard fully forward; use Feed-
board Scale to position stack in relation to subject
matter on stencil.
NOTE: Never place more paper on Feedboard
than will fit easily under Paper Height Stop.
Slacken Side Fence Knobs and move Side Fences
to rest lightly against paper stack. Tighten Side
Fence Knobs.
Slide Back Fence towards paper stack until it
almost touches stack and lower Paper Weight on
to paper.
NOTE: For quick reloading raise Paper Weight to
top position and lay Back Fence horizontal to
Feedboard.
SETTING FEED UNIT
Check position of Feed Pressure Lever. For normal
use it should be at top of slot '+'. If lightweight
paper is to be fed, move Feed Pressure Lever to
bottom of slot '-'
PRINTING FIRST COPY
Start machine by raising Switch. Raise Feedboard
Operating Knob until the Feedboard starts to rise
and release it- the Feedboard will automatically
rise until the paper stack contacts the Paper Height
Stop.
Depress Feed Lever; as soon as Feed mechanism
begins to operate, raise Feed Lever.
PAPER BACK FENCE
WEIGHT SIDE FENCES
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FEED PRESSURE
LEVER
FEED LEVER
FEEDBOARD
OPERATING KNOB
PAPER HEIGHT
STOP
SPEED ADJUSTER
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POSITIONING COPY
Examine copy for correct position. Turn Print
HeightAdjuster UPWARDS to RAISE and DOWN-
WARDS to LOWER copy and adjust side margins
by turning Side Margin Adjuster.
SETTING RECEIVING TRAY
Set Receiving Tray by laying edge of printed copy
against Front Guides.
Move Front and Side Guides to touch sides of copy.
NOTE: If Paper Jogger is not required to operate
see Page 6 for full details.
Move Back Guide to touch edge of copy.
Lower Front Guide Wings if Delivery Control Unit
and Paper Control Guide are to be used.
SETTING DELIVERY CONTROL
UNIT
Depress Feed Lever, slowly turn Handle clockwise
and as soon as Feed mechanism begins to operate
raise Feed Lever and stop turning Handle when
sheet of paper reaches Delivery Control Blades.
Then depress Release Levers and position Blades
until they are slightly inside the edges of the paper.
Continue feeding sheet of paper.
5
PR I NT HEIGHT SIDE MARGIN
ADJUSTER ADJUSTER
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PAPER CONTROL GUIDE
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FRONT GUIDE FRONT GUIDES SIDE GUIDES BACK GUIDE
WINGS
BLADES
RELEASE
LEVER
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SETTING PROGRAMMING COUNTER
Set Counter to number of copies needed by turning
Hundreds Dial to rno's required and turn Units
Dial to units required.
Example-Illustration shows Counter set for 2500
copies.
When required number of copies have been printed
the Counter registers 'O', automatically stops Feed
Mechanism and switches off machine.
P RINTING COPIES
Switch on machine. Turn Speed Control CLOCK-
WISE for FAST or COUNTER-CLOCKWISE
for SLOW .
Depress Feed Lever to commence printing. To
stop machine whilst printing raise Feed Lever.
Depress Ink Switch and release it to put Continu-
matic Inking mechanism into action -for full
details see page 7.
NOTE: To increase density of copy, decrease
speed. Copy density cannot be increased by over-
inking machine. Only a thin film of ink is required
on the Cylinders.
When paper on Feedboard is almost exhausted, the
Feed mechanism stops, the Feedboard drops to its
bottom position and the machine is switched off.
Then remove copies from Receiving Tray. Re-load
and raise Feedboard, switch on machine, depress
Feed Lever and continue pr1nting.
S ETTING PAP ER JOGGER
The Jogger Leverautomaticallyengages its operating
Stud when Receiving Tray is lowered.
If it is not required to operate, slightly raise
Receiving Tray and depress lug 'G' of Lever to
disconnect it from Stud . Then lower Receiving
Tray so that Lever rests on top of Stud.
When the Jogger is required to operate, proceed
as follows :-
Check that Feed Lever is raised and give Handle
one complete turn clockwise to ensure Feed
mechanism is not operating. Then slightly raise
Receiving Tray until Jogger Lever drops over Stud
and lower Receiving Tray.
Set the Back and Side Guides to lightly touch back
and sides of copy for perfect stacking.
HUNDREDS
COUNTER SETTER UNITS SETTER
iE
SP EED ADJUSTER
JOGGER STUD
JOGGER LEVER
G
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SETTING CONTINUMATIC INKING
To apply ink continumatically, fully depress Ink
Switch and release it. Turn Ink Control until Ink
Control Scale is between 4 and 5 (intermediate
setting).
Turn Ink Control COUNTER-CLOCKWISE to
INCREASE and CLOCKWISE to DECREASE
ink flow.
If maximum ink is required, turn Scale to 9.
If minimum ink is required, turn Scale to r.
After a little experience you will be able to assess
setting of Ink Control Scale so that there is a thin
film of ink on Cylinders at all times.
NOTE:
r. CONTINUMATIC INKING ONLY
FUNCTIONS WHEN FEED MECHANISM IS
OPERATING.
2. WHEN CONTINUMATIC INKING IS NO
LONGER REQUIRED, DEPRESS INK STOP
SWITCH, TURN HANDLE IF MACHINE IS
NOT UNDER POWER.
3. THE INK SUPPLY CAN BE BOOSTED BY
FULLY DEPRESSING THE INK SWITCH
AND HOLDING IT IN THIS POSITION.
WHEN THE INK SWITCH IS RELEASED IT
RETURNS TO THE CONTINUMATIC INKING
POSITION.
I NK S ELE C TOR
The Ink Selector enables the machine to be inked
in four different positions across the width of the
stencil.
Ink can be applied to full width, left hand side,
right hand side and middle of a stencil by means
of the Ink Selector. The ink position in use is
indicated by the marking which appears on top of
the Ink Selector.
7
)
FULL
WIDTH
INK SELECTOR
LEFT RIGHT
HAND HAND
INK STOP
SWITCH
MIDDLE
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"
COLOR CHANGING
Disconnect Silk Screen Springs, lift up Silk Screen
Bottom Bar, turn Handle counter-clockwise until
Stencil Fixing Bar is on top, raise Silk Screen
upright, lift up Stencil Fixing Bar Cover and with
a slight pull disconnect Silk Screen from Stencil
Fixing Bar.
Lower the Ink Roller Lever and withdraw Ink
Rollers from machine.
Open Inker Door. Raise Tube Locking Lever.
Remove Ink Tube and replace its cap.
Depress Pump Catch and withdraw Ink Gun.
Close Inker Door.
8
SILK SCREEN
SPRING .
SILK
SCREEN
STENCIL
FIXING BAR
INK ROLLER
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SPRING BAR
INK ROLLER
LEVER .
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