Ricoh M50 Service Manual

RICOH M5

SERVICE MANUAL

OPERATING

INSTRUCTIONS

INTRODUCTION

May, 25, 1985

The Ricoh M5 is a desktop plain

carefully manufactured to exacting formance. a superior finish.

This manual contains detailed instructions on the opera-

tion and care of the M5. from this copier, all follow the instructions in this manual. Please manual in the holder provided on the machine.

It consistently yields high contrast copies with

O get the maximum

operators should carefully

paper copier which is

standards of high per-

versatility

read and

keep this

MAJOR FEATURES

Copies everything from

1 l“) sized documents.

Easy-to-maintain cartridge design.

Black, blue, green and red color application.

business cards to A4 (8-1/2” x

Lightweight design for easy transport.

“Clam-shell” design makes misfeeds easy to clear.

5 6

Simple and reliable operation.

Inner cassette makes the copier compact.

CONTENTS

1. INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1-1. Unpacking procedure . . . . . . . . . . . . . . . . . . . 1

1-2. Installation procedure . . . . . . . . . . . . . . . . . . . 2

1-3. Installation requirements . . . . . . . . . . . . . . . . 6

2. GUIDE TO COMPONENTS . . . . . . . . . . . . . 9

2-1. Overall machine layout . . . . . . . . . . . . . . . . . 9

2-2. operation panel . . . . . . . . . . . . . . . . . . . . . . ...10

2-3. Operator controls . . . . . . . . . . . . . . . . . . . . . ..ll

May, 25, 1985

3. COPYING .

3-1 3-2

3-3 3-4 3-5

REPLENISHING SUPPLIES . . . . . . . . . . . . . . . . . . ...17

4-1. Loading paper...........*.. . . . . . . . . . . ...17

4-2. Adding toner . . . . . . . . . . . . . . . . . . . . . . . . ...19

5 6

Starting the copier . . . . . . . . . . . . . . . . . . . . . . 13

Normal copying . . . . . . . . . . . . . . . . . . . . . ...13

Manual feed copying . . . . . . . . . . . . . . . . . ...14

Two-sided copying . . . . . . . . . . . . . . . . . . ...15

Color copying . . . . . . . . . . . . . . . . . . . . . . . ...16

REPLACING THE MASTER UNIT . . . . . . . . . . . . . . .

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . ...23

6-1. Clearing misdeeds . . . . . . . . . . . . . . . . . . . . ...23

6-2. Troubleshooting guide . . . . . . . . . . . . . . . . . . 24

6-3. Service codes . . . . . . . . . . . . . . . . . . . . . . . ...27

’IAINTENANCE . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . .. < . . . . ...13

. . . . . . . . . . . . . ...28

TRANSPORTING THE COPIER . . . . . . . . . . . . . . ...29

DO’S AND DON’TS . . . . . . . . . . . . . . .

SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . ...30

. . . . . . . . ...29

1. INSTALLATION

May, 25, 1985

1-1.

UNPACKING PROCEDURE

Take out the accessary box and the machir

Remove the blocks.

Open the viny

out the machine.

Check the quantity of the

accessories using the follow-

ing list.

Cassette

two

bag and take

cushion

Copy Tray

Master Unit

(115V and 220V machines

only)

Note: Keep the master unit in

the box until installing it in the copier.

Power Supply Cord

Toner

5) (115V and 220V machines only)

1 cartridqe (Black)

1 pc

–1-

1-2. INSTALLATION PROCEDURE

Slider

May, 25, 1985

Remove the two strips of tape.

Z. Move the slider to the left until

the right edge of the copier is exposed.

Release Latch

3. Squeeze the release latch and open the top unit.

4. Remove the three strips of tape and the silica gel.

—

Turn to the next page.

2–

Master Release Lever

May, 25, 1985

5. Lower the master release lever.

6. Remove the three wedges from the master unit.

Note: Do not touch the master

(purple material) and

avoid’ exposing

it to

light.

7. Insert the master unit into the copier until it stops.

8. Peel the polyester cover off of the master.

Return the master release lever

to its original position.

Shake a cartridge of

Set the pins of cartridge into the slots on the development unit. Then, turn the

clockwise.

cartridge counter-

oner well.

he toner

Install the cartridge crank on

the shaft. Then, turn the

cartridge crank clockwise to

strip off the cartridge seal.

Remove the cartridge crank. Note:

Lower the top unit.

At installation, it is recommended to load two cartridges of toner.

Turn to the next page.

—

May, 25, 1985

14. Load paper in the cassette as shown on page 17, and insert the loaded cassette until it

stops.

15. Install the copy tray on the left side of the machine.

16. Connect the power

supply

cord.

17. When not using this tion booklet, keep it

holder on the back

instruc-

in the

of the

copier.

This completes machine installation.

–5–

May, 25, 1985

1-3. INSTALLATION REQUIREMENTS

The installation Iocatlon should be carefully chosen because environmental condi-

1l-ons greatly affect the performance of a copier

Optimum environmental conditions:

. Temperature . . . . . . . . 10–30° C

(50-86° F)

. Humidity . . . . . . . . .

. On a strong and level base (a

sturdy desk, etc. )

. The copier must be level within

5 mm (1 3/64”) both front to rear and left to right

15–90% RH

. Well-ventilated and wide room

Minimum ventilation: air turnover

3 times/hour

—

Turn to the next page.

—

Environments to avoid:

May, 25, 1985

● Locations exposed to direct sun-

light or strong light (more than

1,500

Iux)

● Dusty areas ‘

● Areas higher than 2,000 m

(6,500 ft) above sea level

● Areas where the copier may be

subjected to frequent strong vibration

● Locations directly exposed to the cool air from an aircondi -

tioner or to reflected heat from a space heater (Sudden temperature changes from low to high or vice versa may cause condensation within the copier. )

—

–7

● POWER CONNECTION

●

Connect the power cord to a power source as shown below a) 115 V/60Hz : More than 12A b) 220 V/50Hz : More than 6A c) 240 V/50Hz : More than 6A

●

Voltage must not fluctuate more than 10%.

●

Avoid multiwiring.

●

If an extension cord must be used, it must have a capacity of more than 300 V/30A

(300WZOA for 220/240V

machine) and be less than 5m (5.5 yds) long.

● ACCESS TO COPIER

Place the copier near a power source

●

providing clearance as shown.

●

Do not set anything on the power cord.

●

Ground the copier properly to prevent accidents. Do not ground to a gas line.

●

Make sure the plug is firmly inserted in the outlet.

More than 12 cm (4-3/4”)

—

2. GUIDE TO COMPONENTS

May, 25, 1985

2-1.

Exit Cover

OVERALL MACHINE LAYOUT

—

Cassette

Guide

Top Unit

Master Unit

–9

—

2-2. OPERATION PANEL

Check Paper Path Indicator

2. Replace Master Unit Indicator

3. Add Toner Indicator

4. Check Cassette Indicator

Image Density Indicators

6. Copy Counter

7. Wait Indicator

—

10-

8. Manual Feed Indicator

9. Start Key

10, Clear/Stop

11.

Increase Quantity Key

12. Decrease Quantity Key

13. Image Density Keys

Key

2-3. OPERATOR CONTROLS

May, 25,1985

Check Paper Path Indicator

Lights when there is a paper

misfeed within the copier.

Replace Master Unit Indicator

Lights when it is time to change

the master unit.

Add Toner Indicator

Lights when it is time to change the toner cartridge.

Check Cassette Indicator

Lights when either no paper is in the cassette or the cassette is not properly positioned.

Image Density Indicators

Shows the image density level selected.

(Five levels from darkest to lightest)

Copy Counter

Shows the number of copies entered. counter shows the number of copies made.

While copying, this

(Count up type.)

–11–

Wait Indicator

Lights when the copier is warming up. made when this indicator is on.

Copies cannot

May, 25, 1985

●

Manual Feed Indicator

Lights when copy paper has been inserted. Blinks when the next sheet of copy paper should be inserted.

●

Start Key

Press to start copy operation.

●

Clear/Stop Key

Press to cancel the copy number entered.

While copying,

press to stop copy operation.

●

Increase Quantity Key

Press to increase the copy entry number. (The maximum number of copies that can be entered is 20.)

● Decrease Quantity Key

Press to reduce the copy entry number.

● Image Density Keys

Use these keys to

make copies

lighter or darker.

–12–

3. COPYING

May, 25, 1985

3-1. STARTING THE COPIER

3-2. NORMAL COPYING

Turn on the main switch. The Wait indicator ( ~ ) will turn

on, which means the copier warming up. When this turns off, copies can be m

Raise the platen cover and

place the original face down on the exposure glass.

indica or ade.

Make sure the original is flush

with both

right scales

2. Adjust the image density to match the type and quality of the original by pressing the Image Density keys.

he front and the

–

—

May, 25, 1985

Enter the number of copies

required by pressing

Increase Quantity key. (Use the Decrease Quantity

key if you enter too many

copies.)

* Up to 20 copies can be

entered at one time.

* Press the Clear/Stop key to

cancel the entry.

Press the Start Key.

the

The number of copies made will be continuously shown by

the copy counter.

(To stop the machine during a multicopy Clear/Stop key.)

3-3. MANUAL FEED COPYING

Use the manual feed entrance to copy onto paper of unusual

Insert

feed above

Manual Feed indicator lights. Note: Make sure that the

Position the original on the

2●

exposure glass and press the Start key.

run,

size or weight.

paper into the manual entrance

the cassette) until the

paper is flush against the front edge of the manual feed guide as shown.

press

(the space

the

–14–

If making multiple copies,

3. insert the next sheet of paper into the entrance when the Manual Feed indicator starts to

blink.

3-4. TWO-SIDED COPYING

May, 25, 1985

1. Copy the first side in the normal manner. Then, insert the copy into the manual feed entrance

Feed indicator lights. Important:

The copy must be inserted

facedown, and flush against the front edge of the manual feed guide.

until the Manual

2. Set the second original, and press the Start key.

–15–

May, 25, 1985

3-5. COLOR COPYING

Blue, green, and red development units and toner are available as options in addition to standard black.

(You need a separate development unit for each color.)

Example: Making a green and blue

copy.

Install the green development

unit in the copier. Place the black development

unit in the spare development unit case.

2. Place the original to be copied in green on the exposure glass, and make the copy.

3. Insert the copy faceup into the manual feed entrance.

Exchange the green and blue development units.

Place the original to be copied

in blue on the exposure glass

and press the Start key.

–16–

4. REPLENISHING SUPPLIES

Lift up and pull out the cassette.

Load paper into the cassette

so that it is flush with the front and side fences.

May, 25, 1985

Note: The

approximately sheets.

Press down the corners of the

paper stack so that they catch underneath the corner separators.

Insert the loaded cassette until

cassette

holds

100

–17–

May, 25, 1985

Paper Storage

Paper should always be stored properly, because poor paper condition will result in

.poor image reproduction, creased copies, and paper jams.

Generally, to avoid absorption

of moisture and curling:

. Avoid storing paper in humid

areas.

. NEVER store paper where it will

be exposed to heat.

● Store on a FLAT SURFACE.

● Use OLDER STOCK first.

● Do not lay any heavy objects on

paper.

. Keep open reams of paper in the

PACKAGE, and store as you would unopened paper.

–18–

Open the top unit.

2. Take out the toner cartidge.

3. Shake a new cartridge of toner well

4. Set

the pins of the toner cartridge into the slots on the development unit. Then, turn the

cartridge

counter-

clockwise.

5. Install the cartridge crank onto the shaft and turn the cartridge crank clockwise to strip off the cartridge seal. Then, remove the cartridge

crank and lower the top unit.

–

—

Toner Storage

●

Store in a COOL, DARK place.

●

NEVER store toner where it will be exposed to heat.

. Keep out of reach of children.

● Do not take internally.

●

Do not lay

anything heavy on

toner cartridges.

–

—

May, 25, 1985

REPLACING THE MASTER

Squeeze the release latch and open the top unit.

Lower the master release lever

and slide Out the used master

unit. Dispose of the used unit using the provided vinyl bag.

UNIT

Remove the three wedges

from the new master unit

4. Insert the master unit into the copier.

5. Peel off the polyester cover that protects the master.

6. Returnth

e master release lever

to its original position.

7. Lower the top unit.

—

–

6. TROUBLESHOOTING

May, 25, 1985

6-1.

before exiting the copier.

CLEARING MISFEEDS

Raise the top unit and remove the jammed paper.

Note: Do not touch the master

(purple material).

If the paper is caught inside

the cassette, cassette and remove the jammed paper.

If the paper is caught under the development unit, remove the jammed paper by pulling on the leading edge. This prevents the rollers from getting dirty.

pull out the

Note: The copy image is not

fused at this time; be careful not to get hands or clothing dirty.

If the paper is caught in the

fusing unit, rotate the paper

reverse knob counterclockwise

to release it.

WARNING: The fusing unit is

hot. Avoid touching it.

If the jammed paper can not be

removed by rotating the paper reverse knob, close the top

unit and remove the copy tray. Then, cover and remove the jammed

paper.

open the exit

—

WARNING: Avoid touching

the INNER parts

of the machine.

23 –

6-2. TROUBLESHOOTNG GUIDE

May, 25, 1985

1. Faint Copies or White Stripes on Copies

● Agitate the toner.

(1) Open the top unit and insert

the narrow tab of the toner agitator into the slot in development unit cover. Slide the toner agitator end to end several times.

the

from

(2) Keep the toner agitator or

holder inside the copier.

If the problem still exists after the above, do the following:

●

Clean the fiber optics and corona wire.

Open the top unit and take out the master unit. Set it on a clean sheet of paper.

Caution: Do not touch the

master (purple material), and avoid exposing it to light.

Insert the long pad of the

(2)

cleaner in the fiber optics slot, and slide it end to end.

the

–24–

Turn to the next page.

May, 25, 1985

(3) Clean the corona wire with the

short pad of the cleaner. Gently rub the cleaner along the wire.

(4) Keep the cleaner on the holder

inside the copier.

2. Copies have Dark stripes

or Heavy Background

First, try pressing the Lighter key to

adjust the image density.

If that does not help, do the following:

● Clean the exposure glass and

platen cover. (See page 28.)

● Clean the fiber optics.

(1) Open the top unit and take out

the master unit. Set it on a clean sheet of paper.

(2) Insert the long pad of the

cleaner in the fiber optics slot, and slide it from end to end.

May, 25, 1985

”

3. Nothing Happens When

the Main switch is Turn- ed On

– No Indicators On –

● IS the power cord plugged in?

Has

it been firmly inserted into

the copier?

. I

S the top unit

ed?

completely clos-

4. Copies cannot be Made

● Is

Wait for the copier to warm up.

See page 23.

on?

. Is the development unit in the

machine?

●

Check that the cassette is loaded and properly set. See page 17.

on?

●

See page 19.

See page 21.

● Is a service code

displayed?

See page 27.

– 26

—

+ 137 hidden pages