Ricoh VT3500 S Service Manual VT3600

RICOH PRIPORT

VT3600/2600

SERVICE MANUAL

IMPORTANT SAFETY NOTICES

PREVENTION OF PHYS ICAL INJURY

1. Before disassembling or asse mblin g pa rts of the print er and pe riph erals, make sure that the power cord is unplu gged .

2. The wall outlet should be near the copier an d easily accessible.

3. If any adjustment or operat ion check ha s to be made with exterior covers off or open while the main switch is turned on, kee p ha nds away from electrified or mechanically drive n comp on ents.

HEALTH SAFETY CONDITIONS

1. If you get ink in your eyes by accident, try to remove with eye drops or flush with water as first aid. If unsuccessful, get medical attent ion.

2. If you ingest ink by accident, induce vomiting by sticking finger down throat or by giving soapy or strong salty water to drink.

OBSERVANCE OF ELECTRICAL SAFETY STANDARDS

1. The printer and its peripherals must be installed and mainta ine d by a customer service represen tative who has completed the training course on those models.

SAFETY AND ECOLOGICAL NOTES FOR DISP OS AL

1. Dispose of replaced parts in acco rda nce with local regulations.

2. Used ink and master should be disp ose d of in an environmentally safe manner and in accordance wit h loca l regu lat ions.

– CAUTION –

The RAM pack has a lithium battery which can explode if handled incorrectly. Replace only with same RAM pa ck. Do not recharge or burn this battery. Used RAM packs must be handled in accordance with local regulations.

SECTION 1

OVERALL MACHINE INFORMATION

15 July 1994 SPECIFICATIONS

1. SPECIFICATIONS

C218 Model C219 Model Configuration: Desk top Master Processing: Digital Printing Process: Fully automatic one-drum stencil system Original Type: Sheet/Book Original Scan Area

Size: Reduction Ratio: LT version: 93%, 77%, 74%, 65%

Enlargement Ratio: LT version: 155%, 129%, 121%

Image Mode: Line/Photo/Sharpen Zoom: From 50% to 200% in 1% steps Color Printing: Drum unit replacement system (red, blue, green and brown) Master Feed/Eject: Roll master automatic feed/eject Leading Edge

Margin: Print Paper Size: Maximum: 325 mm x 447 mm (12.7" x 17.5")

Printing Area: Maximum:

Print Paper Weight: 47.1 g/m Printing Speed: 60, 75, 90, 105, 120 sheets/minute

First Print Time: 38 s/A3/DLT (with "L" drum)

Paper Feed Table Capacity:

Paper Delivery Table Capacity:

Power Source: 120 V, 60 Hz, 4.1 A (for

Power Consumption:

Weight: 128 kg (282.2 lb)

Maximum: 307 mm x 432 mm (12.0" x 17.0")

A4 version: 93%, 87%, 82%, 71%

A4 version: 141%, 122%, 115%

8 ± 3 mm (0.32" ± 0.12") 5 ± 3 mm (0.20" ± 0.12") mm

Minimum: 90 mm x 148 mm (3.6" x 5.8")

Maximum: 290 mm x 412 mm (11.4" x 16.2") at 23°C/65% RH (A3/DLT drum) Maximum: 290 mm x 204 mm (11.4" x 8.0") at 23°C/65% RH (A4/LT drum)

(5 steps)

35 s/A4/LT (lengthwise with "L" drum) 26 s/A4/LT (with "S" drum)

1000 sheets (75 g/m

N.America) 220/240 V, 50 Hz, 2.1 A (for Europe, Asia)

120 V, 60 Hz, 374 W (for N.America) 220/240 V, 50 Hz, 380 W (for Europe, Asia)

Cabinet: 23.5 kg (51.8 lb)

to 209.3 g/m2 (12.5 lb to 55.6 lb)

, 20 lb)

250 mm x 355 mm (9.8" x 14.0") at

23°C/65% RH (for Europe, Asia)

Maximum:

210 mm x 355 mm (8.3" x 14.0") at

23°C/65% RH (For N.America)

60, 75, 90, 110, 130 sheets/minute

(5 steps)

36 s/B4 (with "M" drum)

33 s/A4 (lengthwise)

120 V, 60 Hz, 3.6 A (for

N.America)

220/240 V, 50 Hz, 2.0 A

(for Europe, Asia)

120 V, 60 Hz, 325 W (for

N.America)

220/240 V, 50 Hz, 322 W

(for Europe, Asia)

120 kg (265.0 lb)

Cabinet: 23.5 kg (51.8 lb)

1-1

SPECIFICATIONS 15 July 1994

C218 Model C219 Model

Dimensions (W x D x H):

Original Scanning Time:

Pixel Density: 400 dpi Master Eject Box

Capacity: Paper Separation: Friction roller/center separation

Feed Table Side Plate Movement Distance:

Paper Feed Roller Pressure:

Separation Roller Pressure:

Separation Plate Pressure:

Side Registration: Vertical

Registration: Paper Table

Raising/Lowering Speed:

Ink Supply: Automatic ink supply system Press Roller

Pressure: Paper Delivery: Air knife/vacuum delivery

Delivery Side Plate Movement Distance:

Print Counter: 7 digits Noise Emission: Less than 74 dB

Stored: 719 x 698 x 644 mm

(28.3" x 27.5" x 25.4")

Set up: 1331 x 698 x 644 mm

(52.4" x 27.5" x 25.4")

Cabinet: 1331 x 698 x 1070 mm

(52.4" x 27.5" x 42.1")

3 ms/line

50 masters with "L" drum 90 masters with "S" drum

system 88 mm to 336 mm (3.46" to 13.2") 88 mm to 336 mm (3.46" to 13.2")

Normal position 300 g Thick paper position 600 g

Normal position 125 g Weak position 50 g

Weak 10 g Normal 20 g Strong 1 40 g Strong 2 60 g

±10 mm ±20 mm

22 mm/s (50 Hz) 26 mm/s (60 Hz)

12.5 ± 0.5 kg 10.5 ± 0.5 kg (for B4 drum)

80 mm to 327 mm (31.5" to 12.9")

Printing (Average):

60 rpm less than 64 dB 90 rpm less than 67 dB 120 rpm less than 72 dB

Stored: 719 x 698 x 644 mm

(28.3" x 27.5" x 25.4")

Set up: 1331 x 698 x 644 mm

(52.4" x 27.5" x 25.4")

Cabinet: 1331 x 698 x 1070 mm

(52.4" x 27.5" x 42.1")

35 masters

Friction roller/center separation

system

Thin paper position 250 g

Normal position 400 g

Thick paper position 550 g

Normal position 125 g

Weak position 50 g

Weak 10 g

Normal 20 g

Strong 1 40 g

Strong 2 60 g

10.0 ± 0.5 kg (for LG drum)

Printing (Average):

60 rpm less than 64 dB 90 rpm less than 69 dB 130 rpm less than 74 dB

1-2

15 July 1994 SPECIFICATIONS

C218 Model C219 Model

Supplies: Master

Thermal master 320 mm width 225 masters/roll

Master length 540 mm/master Max run length 2000 prints

Ink

800 cc ink pack (black) 500 cc ink pack (red, blue, green, brown)

Master

Thermal master 280 mm width 250 masters/roll (VT-ΙΙ M master) Thermal master 240 mm width 250 masters/roll (VT-ΙΙ S master)

Master length 480 mm/master Max run length 2000 prints

Ink

800 cc ink pack (black) 500 cc ink pack (red, blue, green, brown)

1-3

DIFFERENCES BETWEEN THE #C210 MODEL AND #C218/C219 MODELS 15 July 1994

2. DIFFERENCES BETWEEN THE #C210 MODEL AND #C218/C219 MODELS

No. Item Remarks

1 Scanner A book type scanner is used (A3 size exposure glass).

Operation Panel The image shift key has been changed to the margin erase

Thermal Head The thermal elements used in C218/219 models are finer than

Printing Speed The print speed of 40 cpm is not used in C218 /C219 models.

key, which is a new feature added for the C218/C219 models.

those used in the C210 model. This is to reduce ink set-off on the back sides of copies.

This reduces ink set-off, which is most likely to occur at low printing speeds.

Model

C210 40 60 80 100 120 C218 60 75 90 105 120 C219 60 75 90 110 130

12345

Printing Speed

Drum Connector To ensure drum connection, a drum lock lever is added inside

Drum The rubber strip [A] has been added to the master clamper

the front door. To remove the drum from the machine, the drum release lever must be pulled up to disconnect the drum connector.

and the master stopper [B] (2 strips for C218, 1 strip for C219) has been added to the surface of the drum. This is to reduce master slipping when a high volume is printed from the same master.

[A]

[B]

Ink Detection Board The location of the ink detection board has been changed

Paper Feed Table The paper table and the delivery table open/close detection is

from the upper side to the right side of the drum shaft. The ink type switch which was not used (it was always set to the oil type setting) has been removed.

done separately to enable paper table lowering regardless of whether the delivery table is open or closed (C218 model). Delivery table open/close detection is not available for the C219 model.

1-4

15 July 1994 DIFFERENCES BETWEEN THE #C210 MODEL AND #C218/C219 MODELS

SP Mode (Thermal Paper Mode)

SP Mode (Sensor Voltage)

Make-up Mode The image make-up mode has been made into an option. To

The following item is a difference only for the #C218 model.

Photo Mode The Photo Data Compensation Processor has been changed

The following items are differences only for the #C219 model.

Original Size

Detection Paper Return

Mechanism Paper Feed The paper feed pressure can be adjusted in three steps for

Wing Guide

(Delivery)

17 Air Knife Motor The number of air knife motors has been changed from 3 to 2.

Second Feed Roller The number of rollers on the second feed roller shafts has

Master Eject Roller The number of rollers on the master eject roller shafts has

To test the thermal head, SP Mode 92 has been added to make a test print on the thermal paper without the master clamp process.

SP-MODE PROGRAM

SP modes 135 to 138 have been added to indicate the sensor voltage on the operation display. SP Mode No. 135: First Paper Exit Sensor SP Mode No. 136: Second Paper Exit Sensor SP Mode No. 137: Master Eject Sensor SP Mode No. 138: Drum Master Detection Sensor

enable this mode, the IPU board must be replaced. For the C218 model, up to 4 command sheets can be given for an original. For the C219 model, up to 2 command sheets can be given for an original.

to improve image quality in the Photo mode.

The original size detection is eliminated for the C219 model.

The paper return mechanism has been eliminated for the C219 model.

the C219 model. The wing guide adjustment mechanism has been eliminated

for the C219 model.

been changed from 5 to 3.

been changed from 5 to 4.

Thermal Paper Mode 0: No 1: Yes 1

1-5

GUIDE TO COMPONENTS 15 July 1994

3. GUIDE TO COMPONENTS

Original Holder

A convenient place for holding originals while operating the mach ine.

Platen Cover

Lower this cover over an original before printing.

Original Table Release Lever

Use to open the original tab le unit when installing the master.

Feed Roller Pressure Lever

Use to adjust the contact pressure of the paper fe ed roller according to paper thickness.

Separation Roller Pressure Levers

Use to adjust the separation roller pressure to prevent double feed.

Paper Feed Table

Set blank paper on this table for printing.

Front Door

Open for access to the inside of the machine.

Paper Feed Table Down Key

Press to lower the paper feed table.

Paper Feed Side Plates

Use to prevent paper skew.

Side Plate Fine Adjustment Dial

Use to shift the paper feed table sideways

1-6

15 July 1994 GUIDE TO COMPONENTS

Master Eject Unit Open Button

Press to remove misfed paper or a misfed master.

Main Switch

Use to turn the power on or off.

Master Eject Container Cover

Open when removing the master eject box.

Paper Deliver y Side Plates

Use to align the prints on the paper delivery table.

Paper Deliver y E nd Plate

Use to align the leading edge of prints larger than A4, 81/2" x 11".

Small Size Paper Delivery End Plate

Use to align the leading edge of prints that are A4, 81/2" x 11" or smaller.

Original Table

Place the originals on this table.

Master Cut Button

Press this button to cut the master paper leading ed ge after installing a new master roll.

Pressure Release Lever

Use to install the master roll.

Operation Panel

Operator controls and indicators are located here.

Drum Rotation Button

Press to replace the drum.

Drum Unit Lock Lever

Lift to unlock and pull out the drum unit.

Drum Unit

The master is wrapped around this unit.

Paper Deliver y Tabl e

Completed prints are delivered here.

1-7

Ink Holder

Set the ink cartridge in this holder.

MECHANICAL COMPONENT LAYOUT 15 July 1994

4. MECHANICAL COMPONENT LAYOUT

26 25

2122

1. Drum Unit

2. Lens

3. CCD

4. Reverse Roller

5. Master Feed Roller

6. Platen Roller

7. Thermal Head

8. Master Roll

9. Plotter Unit

10. Upper Separation Roller

11. Paper Feed Roller

12. Paper Table

13. Separation Plat e

14. Lower Separation Roller

15. 2nd Feed Roller

16. Doctor Roller

17. Press Roller

18. Ink Roller

19. Paper Exit Pawl Air Pump

20. Paper Exit Pawl

21. Transport Unit

22. Paper Delivery Table

23. Master Eject Box

24. 2nd Eject Roller

25. 1st Eject Roller

26. Master Eject Unit

27. 3rd Mirror

28. 2nd Mirror

29. 1st Mirror

30. Reflector

31. Fluorescent Lamp

32. Exposure Glass

8 9

10 11

1-8

543

15 July 1994 ELECTRICAL COMPONENT LAYOUT

5. ELECTRICAL COMPONENT LAYOUT

1. Scanner Motor

2. Fluorescent Lamp Stab ilizer

3. CCD PCB

4. Platen Cover Position Sensor

6. Original Sensor

7. ADF Set Sensor

8. Scanner Home Position Sensor

9. Fluorescent Lamp

5. A/D Conversion PCB

COMPONENT DESCRIPTIONS

Index No. Name Function

Scanner Motor Drives the scanner (1st and 2nd). Platen Cover

Position Sensor

Detects when the pla ten cover is opened ab out 25° above the exposure glass.

Original Sensor Detects if an original is placed on the

exposure glass.

ADF Set Sensor Detects when the optional document

feeder is closed.

Scanner Home Position Sensor

Informs the CPU when the 1st scanner is at the home position.

1-9

DRIVE LAYOUT 15 July 1994

6. DRIVE LAYOUT

18 17

7 8

1. Scanner Belt

2. Scanner Motor

3. Image Position Motor

4. Master Eject Motor

5. Drum Drive Gear

6. Drum Unit Gear

7. Drum Drive Pulley

8. Main Drive Belt

9. Transport Belt

10. Printing Pressure Pulle y

11. Printing Pressure Gear

13 12

12. Idle Gear

13. Idle Pulley

14. Main Motor

15. Paper Table Drive Motor

16. Paper Feed Cam Gea r

17. Master Feed Motor

18. Timing Belt

19. Platen Roller Gear

20. Master Transport Roller Gear

21. Reverse Roller Gear

1-10

SECTION 2

DETAILED SECTION

DESCRIPTIONS

15 July 1994 MASTER EJECT

1. MASTER EJECT

1.1 ELECTRICAL TIMING: #C21 8 MODELS

First Drum Position Senso r

Second Drum Position Senso r

Main Motor Reversing

Main Motor Advancing

Master Eject Motor

Master Eject Solenoid

Master Eject Clamper Solenoid

The drum stops its reverse rotation for 150 ms when the tra iling edge of the master is about 5 millimeters away from th e mast er eject rollers to ensure that the master eject process is successf ul (only for #C218 models).

Drum Type

#C218 Models

A3/DLT A4/LT X1 (degrees) 70 174 X2 (degrees) 39 55

2-1

MASTER EJECT 15 July 1994

1.2 ELECTRICAL TIMING: #C21 9 MODELS

First Drum Position Senso r

Second Drum Position Senso r

Main Motor Reversing

Main Motor Advancing

Master Eject Motor

Master Eject Solenoid

Master Eject Clamper Solenoid

Drum Type

#C219 Models

B4 LG X1 (degrees) 85 85 X2 (degrees) 55 55

2-2

[D]

15 July 1994 SCANNER

2. SCANNER

2.1 OVERALL

A book type scanner is used for the #C218/#C219 mod els. There are 2 modes for scanning origina ls. Platen Cover Mode: The original is placed on the exposu re glass, and the scanner motor drives the scanner to scan the original. ADF Mode: When an optional Docu men t Fee de r is installed, the original is fed onto the exposure gla ss. The scann er move s 24 mm away from the CCD and remains still as it scans the original. The scanner comes back to the home position when the scanning is finished.

[H] [G]

[F]

[E]

The light from the fluoresce nt lamp [A ] is re fle cte d fro m t he origin al, by the first [B], second [F], and th ird [E ] mirrors an d goes th rou gh the lens [D] into the CCD [C].

[I]

[A]

[C]

[B]

[G]: Reflector

In the Platen Cover Mo de , th e CCD re ad s the white plate [H] on the back of the original scale [I] each time be fo re scanning to obtain a standa rd white level. The standard white data are used to corre ct dist ortion. The scanner is at its home position when it rea ds th e white level.

In the ADF mode, as the scanner move s 24 mm, th e CCD read s the wh ite plate installed on the ADF.

2-3

SCANNER 15 July 1994

2.2 SCANNER MECHANISM

[B]

[Front Side]

[E]

[D]

[C]

[F]

[Rear Side]

[A]

[G]

A stepper motor is used fo r the scann er motor [A] to drive the scanners. The first scanner [B], which consist s of th e exp osu re lamp and the first mirror, is driven by the first scanner belt [F]. The seco nd scann er [C] , which consists of the second and the th ird mirror, is driven by the second scanner belt [D] . Bo th scanners move along the gu ide rails.

The timing belt [G] moves t he secon d scanner at half the velocity of the first scanner. This is to maintain the focal distance between th e orig inal and the lens during scanning.

The scanner home position is detected by the home positio n sensor [E]. In the Platen Cover Mode, the scanner scans the original on the exposure glass for the full A3 lengt h, then returns until the scann er ho me po sitio n sensor is activated. In the ADF Mod e, the scanner moves 24 mm backwards (away from the CCD), to scan the original which is fed by the ADF. When the master making process is finishe d and the ADF motor stops, the scanner goes back to the home position.

2-4

15 July 1994 SCANNER

2.3 PLATEN COVER POSITI ON DETECTION

[B]

[A]

When the platen cover is opene d ab ou t 25 deg rees, the Platen Cover Position Sensor [A] is deactiva ted. When this sensor is deactivate d, the Original Sensor [B] is able to det ect the origin al on the expo sure glass.

When the Platen Cover Position Sensor is deactivat ed and the Origin al Sensor detects no original on the expo sure glass, the machin e indicates "SET THE ORIGINALS" on the operat ion displa y. This is t o pre ven t wast ing of the master that wo uld occur whe n the Master Making key is pressed with no original placed on the exposure glass.

When the original is placed on the expo sure glass and the Master Making key is pressed with the pla te n cover opened more than 25 degrees (a s the Platen Cover Position Senso r is deact ivat ed ), th e shadow erase function is enabled.

2-5

SCANNER 15 July 1994

Notes regarding the shadow erase function:

• Margins of 1 mm, 0.02" on all four sides of the original will be erased. The

width of the margins will change depending on the rep rod uction ratios.

• Shadows near the book edge might not be erased complet ely.

• If the shape of the originals are as sho wn be low, shadows might appear

on the prints. In this case, make the master with the platen cover clo sed .

Shadow

Scanning directio n

• If a line or solid image is on the margin at the center and at the edges

being erased, the image might be erased as shown below.

Scanning directio n

2-6

Scanner HP

15 July 1994 SCANNER

2.4 ELECTRICAL TIMING

First Drum Position Sensor

Second Drum Position Sensor

Main Motor Reversing

Scanner Home Position

Scanner Motor Scanner Motor

Reversing Master Feed

Motor Reverse Roller

Clutch Master Feed

Clamper Solenoid

160° of Drum Rotation

Buckle Sen sor Main Motor

Advancing Left Cutter

Switch Right Cutter

Switch

218.5° of Drum Rotation

Plotting Start

Plotting Max.

To Trial Print

Cutter Motor Cutter Motor

Reversing

For C218 model a: 21.5 mm b: 0.9 mm For C219 model a: 18.5 mm b: 1.0 mm

e: 412 mm f: 60 mm e: 359 mm f: 61 mm g: 40 mm c: 38 mm g: 40 mm c: 41 mm d: 5 mm d: 5 mm

T1: After the master eject process is completed, the main moto r st art s

reverse rotation at 30 rpm. At th e same time, the master feed motor and the reverse roller magnetic clutch tu rn on to feed the ma ste r 21. 5 millimeters (18.5 mm for the C219 model).

T2: The master feed clamp er sole no id is e ne rgize d when the drum rotates

160 degrees past the second drum position sensor (162 degrees for the C219 model). At the same time, th e reve rse roller magnetic clutch is turned on and th e scanner motor starts t o rot ate.

2-7

SCANNER 15 July 1994

T3: When the scanner has move d 20 millimeters from its home position (17

mm for the C219 model), the master starts to be fed. When the maste r has been fed 0.9 millimeters (1.0 mm for the C219 model), the thermal head starts plotting on the mast er.

The leading edge is zero when the sca nner is 12 millimet ers from its home position. The leading edge margin can be adjusted within the rang e of 4 to 10 millimeters by SP mode No.33.

T4: When the master has been fed 38 millimeters (41 mm for C219 models),

the reverse roller magnetic clutch tu rns of f. Then the master is fed 5 millimeters more and the master feed clamper solenoid is de-energized to close the master clamper. The master is fed in the same way as in #C210 models. The original transp ort and the maste r f eed mot ors speed up once the master plotting is done. The master feeding lengths for plotting are:

For #C218 models 412 millimeters: A3/DLT dru m 204 millimeters: A4/LT dru m For #C219 models 355 millimeters: for both B4 and LG drums

T5: When the scanner has scanned the fu ll scanning length (the sa me len gth

as the master feeding length), the scanner motor starts its reve rse rotation to bring back th e scanner to the home position.

T6: The master feed mot or stops when the master has been fe d 53 4.4

millimeters (479.5 mm for the C219 model). At the same time, the cut te r motor starts rota tin g to cut the master. The cutter motor changes its rotation direction when th e cut ter h old er pu she s the right cutt er switch. The cutter motor st ops wh en the cutt er ho lder goes back to the home position to activate the left cutter switch (the same wa y as in #C210 models).

When the right cutter switch is activated, the drum starts rotatin g to go back to its home position . Whe n the left cutter switch is activa te d (when the cutter comes back to it s home position), the master fe ed motor turns on again to feed the master 40 millimeters.

T7: When the scanner moto r st ops it s reverse ro ta tio n, the scanner motor

rotates forward until th e scanner home position sensor is activat ed .

2-8

[D]

[E]

15 July 1994 SCANNER

2.5 CIRCUIT

[A]

[B]

[C]

AD Conversion PCB

Image Processing PCB Main PCB

Scanner Motor

Component

Name

Fluorescent Lamp [A]

Original Sensor [B]

Scanner HP Sensor [C]

Platen Cover Position Sensor [D]

ADF Set Sensor [E]

I/O

A/D Conversion PCB

CN No. Signal Level

Out 601-b10

Out 608-3

In 602-4

In 602-2

In 605-B9

In 602-8

24V

Description

Signal goes high when the lamp on signal turns on.

Signal goes low when the lamp on signal turns on.

Signal goes high when the sensor detects an original.

Signal goes high when the sensor

detects an original.

Signal goes low when the lead switch is turned on.

2-9

[E]

DRUM 15 July 1994

3. DRUM

3.1 DRUM CONNECTION MECHANISM

[D]

[A]

[C]

[B]

[F]

[D]

[H]

[G]

When the drum release lever [A] in fro nt of th e mach ine is raised, the connector [B] is push ed away fro m t he drum by th e bra cket [C] through the link [D], and is disconnected. The bracke t [C] also pu she s the drum lock leve r [F] to release the dru m lock allowing the drum to be removed. Wh ile th e drum is away from its home position, the drum lock solenoid [G] is energized and the stopper [H] locks the link [D] to preven t th e dru m from be ing pulle d out. The solenoid is de-energized when the drum stops at th e ho me po sitio n (when the 1st drum position senso r is act uated).

2-10

15 July 1994 DRUM

3.2 CIRCUIT FOR #C218 MODE LS

Main PCB

[A]

(Drum Unit Connector)

[B]

Common

[C]

Common

[D]

LED Drive

Component

Name

Drum Detection Switch [A]

I/O

CN No. Signal Level

In 105-26

Drum Rotation LED (Red) [B] Out 105-18

Drum Rotation LED (Green) [B] Out 105-19

Drum Rotation Button (N.C.) [C]

Drum Rotation Button (N.O.) [C]

In 105-21

In 105-22

Drum Master Detection

In TP102

Sensor [D] Ink Supply

Solenoid [E]

Out 104-17

Main PCB

24V

[F]

(Drum Unit Frame)

Ink Detection PCB

Description

Signal goes Low when the drum

unit is slid out. Signal goes High when the drum is

2.8V

not in the home position. (The LED lights red.)

Signal goes High when the drum is

2.8V

in the home position. (The LED lights green.)

Signal goes Low when the button is pressed.

24V

Signal goes High when the main switch is turned on.

The voltage between TP102 and

2.5V

ground becomes more than 2 volts when a master is on the drum.

Signal goes Low when the solenoid is energized.

[E]

Ink Detecting Pin

[G]

Ink Roller

Doctor Roller

2-11

DRUM 15 July 1994

Component

Name

Drum Lock Solenoid [F]

Ink Detection [G]

I/O

Out 104-18

Color Drum Detection [H]

In 104-14

Drum Size Detection [H]

In 104-15

A4/LT Drum Detection [H]

In 104-16

Drum Unit Safety Switch Out

Main PCB

CN No. Signal Level

24V

104-20

(TP105)

-12V 5V

118-7

(Drum

Unit)

Description

Signal goes Low when the solenoid is energized.

0V 0V

Signal goes High when there is no ink.

Signal goes Low when the color drum is installed. (CN118-2 and -3

are shorted.) The Color Drum indicator will light.

Signal goes Low when the drum is installed. (CN118-2 and -4 are

shorted.) The A3 or DLT Drum indicator will light when CN118-2 and -5 are open.

Signal goes Low when the A4/LT drum is installed. (CN118-2 and -5

are shorted.) The A4 or LT Drum indicator will light.

CN118-7 of the drum unit

24V

connector becomes 24 volts when the drum unit is set.

2-12

15 July 1994 DRUM

3.3 CIRCUIT FOR #C219 MODE LS

[A]

[B]

[C]

[D]

Main PCB

(Drum Unit Connector)

[E]

Common

[F]

Common

LED Drive

(Drum Unit Frame)

Ink Detection PCB

Ink Detecting Pin

[G]

Ink Roller

Doctor Roller

Component

Name

Drum Detection Switch [A]

I/O

CN No. Signal Level

In 105-4

Drum Rotation LED (Red) [B] Out 105-18

Drum Rotation LED (Green) [B] Out 105-19

Drum Rotation Button (N.C.) [C]

Drum Rotation Button (N.O.) [C]

In 105-8

In 105-7

Drum Master Detection

In TP102

Sensor [D] Ink Supply

Solenoid [E] Drum Lock

Solenoid [F]

Out 104-16

Out 103-19

Main PCB

24V

Description

Signal goes Low when the drum unit is slid out.

Signal goes High when the drum is

2.8V

not in the home position. (The LED lights red.)

Signal goes High when the drum is

2.8V

in the home position. (The LED lights green.)

Signal goes Low when the button

is pressed.

24V

Signal goes High when the main switch is turned on.

The voltage between TP102 and

2.5V

ground becomes more than 2 volts when a master is on the drum.

Signal goes Low when the solenoid is energized.

2-13

DRUM 15 July 1994

Component

Name

Ink Detection [G]

I/O

Color Drum Detection [H]

In 104-18

Drum Unit Safety Switch Out

Main PCB

CN No. Signal Level

104-20

(TP105)

118-7

(Drum

Unit)

Description

Signal goes Low when there is no

-12V

ink. Signal goes Low when the color

drum is installed. (CN118-5 and -6

are shorted.) The Color Drum indicator will light.

CN118-7 of the drum unit

24V

connector becomes 24 volts when the drum unit is set.

2-14

Counter "0"

15 July 1994 DELIVERY

4. DELIVERY

4.1 ELECTRICAL TIMING

1st Drum Position Sensor

2nd Drum Position Sensor

Cutter Motor

Cutter Motor ON Print Key ON

Stop Key ON

Vacuum Fan Motor

Air Knife Motors

Paper Feed Solenoid

Printing Pressure Sensor

Main Motor

Paper Table Height Sensor

Paper Table Drive Motor

T1: The cutter motor, vacuum fan motor, and air knife motors turn on.

The main motor turns o n whe n th e cutter motor stops rotating.

T2: The vacuum fan motor and the air knife motors turn off when the printing

• The on/off timing for the vacuum fan motor, air knife motors a nd the main

pressure sensor is deactivated and the 1st drum positio n sensor is activated.

motor is different from the #210 model.

2-15

DELIVERY 15 July 1994

4.2 CIRCUIT FOR #C218 MODE LS

[A]

[B]

A K

E A K

CN101-2

CN102-7

CN102-12

-1

-4

-3

-6

-5

-8

-7

+5V

GND

24V

FU101

CN103

-9

-22

-13

-18

-14

-17

-15

-16

[D]

[E]

[F]

[G]

Paper Table

CN102-26

GND

-25

[C] Delivery Table

Main PCB

Component

Name

1st Paper Exit Sensor [A]

2nd Paper Exit Sensor [B]

Delivery Table Open Switch [C]

Vacuum Fan Motor [D]

Air Knife Motor [E]

Air Knife Motor [F]

Air Knife Motor [G]

I/O

CN No. Signal Level

In TP101

In TP103

In 102-25

Out 103-9

Out 103-13

Out 103-14

Out 103-15

Main PCB

7.5V

26V

5 msec

Description

Signal goes High when the paper is on the sensor.

Pulse signal goes to Low when the delivery table is opened.

Signal goes Low when the motor is energized.

Signal goes Low when the motor is

energized.

The paper table and the delivery table open/ close detection is done separately to enable paper table lowerin g reg ard less of whethe r the delive ry table is open or closed.

2-16

+ 74 hidden pages

Ricoh VT3500 S Service Manual VT3600

Specifications and Main Features

Frequently Asked Questions

User Manual

OVERALL MACHINE INFORMATION