Ricoh ST10 SPECIFICATIONS

10-BIN

SORTER STAPLER

(Machine Code: A555)

10 May 1996 SPECIFICATIONS

1. SPECIFICATIONS

Paper Size for Bins: Sort/Stack Modes:

Maximum: A3, 11 x 17"
Minimum: B5, 81/2 x 11"

Paper Weight for Bins: Sorting:

52 ~ 157 g/m2 (14 ~ 42 lb)
Stacking:
52 ~ 157 g/m2 (14 ~ 42 lb)
Stapling:

52 ~ 80 g/m2 (14 ~ 21 lb)

Bin Capacity: Sorting:

A4, 81/2 x 11" or smaller: 30 copies

B4, 81/2 x 14" or larger: 25 copies
Stacking:

A4, 81/2 x 11" or smaller: 25 copies

B4, 81/2 x 14" or larger: 20 copies

Stapler Capacity: 2 ~ 20 copies
Proof Tray Capacity: 100 copies (52 ~ 80 g/m2 / 14 ~ 21 lb)

50 copies (81 ~ 128 g/m2 / 22 ~ 34 lb)
30 copies (129 ~ 157 g/m2 / 35 ~ 42 lb)

Number of Bins: 10 bins + proof tray
Stapling Position:

a = 6 ± 3 mm
b = 6 ± 3 mm

a

b

A555-1

A555V501.wmf

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SPECIFICATIONS 10 May 1996

Staple Replenishmen t: Cartridge exchange (2, 000 staples/cartridge)
Power Source: DC 24 V, 5 V (from the copier)
Power Consumption : Average: less than 33 W

Average for Sorting: less than 25 W
Average for Stapling : less than 33 W

Weight: 12.4 kg (27.4 lb)
Dimensions (W x D x H): 381 x 548 x 443 mm (15.0" x 21.6" x 17.5")

A555-2

10 May 1996 COMPONENT LAYOUT

2. COMPONENT LAYOUT

2.1 MECHANICAL COMPONENT LAYOUT

1

2

7

3

6

5

4

1. Helical Wheels

2. Jogger Plate

3. Grip Assembly

4. Transport Rollers

A555V502.wmf

5. Stapl e Unit

6. Bins

7. Proof Tray

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A555-3

COMPONENT LAYOUT 10 May 1996

2.2 DRIVE LAYOUT

1

8

2

3

4

7

6

3

1. Jogger Drive Belt

2. Transport Roller

3. Helical Wheels

4. Transport Motor

1

5

5. Jogger Motor

6. Wheel Drive Belts

7. Bin Drive Motor

8. Jogger Plate

A555V503.wmf

A555-4

10 May 1996 COMPONENT LAYOUT

2.3 ELECTRICAL COMPONENT DESCRIP TION

Refer to the electrical compo nent layou t on the reverse side of the Point to
Point Diagram (on waterpro of paper).

Symbol Index No. Description Note

Motors

M1 14 Transport Drives the transport roller
M2 9
M3 16 Bin Drive Drives the bins

M4 6 Stapler Drives the stapler hammer

M5 3

Sensors

S1 1
S2 2 Sorter Entrance Detects paper jams
S3 15

S4 13

S5 4

S6 5

S7 11
S8 10 Wheel Detects the bin position.
S9 12

S10 18
S11 19 Staple End Detects when the staples run out

Switches

SW1 8
SW2 7 Stapler Cuts the signals to the stapler.

Circuit Board

PCB1 17 Main Controls all sorter/stapler functions

Jogger Drives the jogger plate to square the

copies

Grip Drives the grippers forwards and back

into the bin to grip the copies and
bring them to the stapling position

Bin
(Phototransistor)

Jogger H.P. Detects whether the jogger plate is in

Timing Provides pulses to the sorter stapler

Stapler Paper Detects whether any copies are under

Grip H.P. Detects when the grip assembly cam

Bin
(LED)

Bin H.P. Detects whether the bins are at home

Staple H.P. Detects whether the stapler hammer

Door Safety Cuts the dc +24V supply when either

Detects whether there is any paper in
the bins (light receiving element)

its home position

main board.

the hammer.

gear has rotated once
Detects whether there is paper in the

bins (light emitting element)

position

is at home position

the unit or the stapler cover is opened.

A555-5

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BASIC OPERATION 10 May 1996

3. BASIC OPERATION

3.1 NORMAL MODE AND SORT/STACK MODE

[D]

Copies exiting the copier pass through the entrance guide pla te [A] . The
transport roller will send cop ies eit her t o the pro of tray or to each bin,
depending on the selected mode.

During copying, all rollers in th e sorter stapler transpo rt th e pa pe r at a spe ed
which depends on the cop ier. When the trailin g ed ge of th e cop y passe s the
fusing exit sensor, th e spe ed of th e rolle rs chan ge s to 600 mm/s. This makes
enough time for the jogger plat e to squa re th e sta ck of pape r and to sta ck the
paper smoothly into the bins.

[E]

[A]

[B]

[C]

A555D500.wmf

- Normal (proof) mode -

When the Start key is pressed, the tran sport motor [B] energizes to ro ta te the
transport roller. The tran spo rt rolle r sends copie s to the pro of tray dire ctly.

- Sort mode -

When sort mode is selected, the bin drive motor [C] energize s to rot ate the
helical wheels. The helical wheels [D] rotate twice to move the top bin to the
transport roller position , th en the first cop y is delivered to the top bin.

After the first copy of the first orig ina l has been fed to th e top bin , th e bin
drive motor moves the bins up one step (the helical wheels rotate once) so
that the second copy of the first orig ina l will be delive red to the ne xt bin .

The jogger plat e [E ] squares the copies aft er each copy has been fed to a
bin. After the copies of the first orig inal have been delivered to each bin, the
sorter stapler maintains its statu s (the bin drive moto r does not rota te ).

A555-6

10 May 1996 BASIC OPERATION

The first copy of the second origina l is delivere d to the fina l bin th at was used
for the first original, the n th e fin al bin desce nd s one step . The bins de scen d
each time a copy of the seco nd origin al is delive red .

The direction of motion of the bins alternates for each page of the original
until the copy run is finished.

- Stack mode -

[A]

A555D501.wmf

When stack mode is selected, the to p bin adva nce s to th e tra nsp ort roller
position in the same way as in sort mode.

After the first copy is delive red to the top bin, the jogger plate [A] moves
across to square the cop y. The jogg er pla te squa res th e copies after each
copy has been fed to a bin.

After one set of copies for the first orig ina l has been delive red to the to p bin,
the bin drive motor moves th e bin s up on e ste p. Then , on e set of cop ies of
the second original will be delivered to th e next bin .

A555-7

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BASIC OPERATION 10 May 1996

3.2 STAPLE MODE

[B]

[A]

A555D502.wmf

[C]

[D]

The stapler is only available in sort mod e.

A555D503.wmf

When the jogger plate has squ are d the fin al set of cop ies, the grip arms [A ]
move inside the front sid e fra me an d cat ch th e pa pe r. The grip asse mbly
brings the copies into the stapler [B], and the stapler staples the copies.

After stapling, the grip asse mbly [C] bring s the stap led copie s back to the bin
and releases the copies. Then the grip asse mbly goes ba ck to th e no rmal
position. The bin either advances or descends one step depending on
whether the number of originals is odd or even [D].

When the final set of copies has been stapled, the bins go back to the
standby position.

A555-8

10 May 1996 BASIC OPERATION

There are two staple modes.

Automatic Stapling

In ADF mode, when staple mode is select ed bef ore pressin g th e St art key,
copies will be delivered to each bin and stapled automa tically.

Manual Stapling

In platen cover mode , af te r t he copies have been sorted into the bins, the
staple mode LED starts to blink. If the sort key is presse d while this LED is
blinking, the copies will be stapled.

A555-9

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BASIC OPERATION 10 May 1996

3.3 BIN DRIVE MECHANISM

[A]

[A]

[B]

[C]

[D]

A555D504.wmf

The bin drive mechanism moves th e bin s up an d do wn to receive copies.
There are four pins on each bin. Two pins fit into the slot s [A] in bot h th e fro nt

and rear side frames; the pin s slide up and down in these slot s. The other
two pins fit into the slot in the helica l wheels; as th e helical wheels turn, these
pins move up and down, and the other pins move up and down in the slots at
the other end of the bin.

The bin drive motor [B] drives the helical whee ls thro ugh four timin g belts [C] .
When the motor rotates clockwise, the bins lift; whe n it rot ates
counterclockwise, the bins lower. There is a wheel sensor actuator [D] on the
front helical wheel; the actu at or ha s a slot which detect s wh en the helical
wheel has rotated once.

When the bins are advanced, the helical wheels rotate once for each step. As
the pitch of the spiral on the helical wheel is greater when the bins are at the
staple and paper exit are a th an when the bins are elsewh ere , th e amo un t of
bin shift is greater when the bins are at the sta ple and pap er exit area . This
leaves enough space to st aple an d sta ck t he copies. Also, this reduces th e
total machine heig ht .

A555-10

10 May 1996 BASIC OPERATION

3.4 BIN HOME POSITION

[A]

A555D505.wmf

The bin home position senso r [ A] ensu res th at the proo f tra y is lower tha n th e
transport roller when the bins are in the home position.

When the main switch is turned on, the sorter staple r in itia lizes itse lf to check
whether the component part s work or not . At this time , th e bin drive mot or
raises the bins for a few moments, then it lowers the bins until the bott om bin
actuates the bin home posit ion sensor.

A555-11

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