OKI DP-5000 Service manual

Foreword
This manual has be en designed for train e d ser vi ce personnel and describes how to maint ai n and repair.

This manual is not intended for general users.

This manual comprises the following chapters.

Chapter 1: Printer Illustration

P2-

Chapter 2: Decomposition

P6-

Chapter 3: Assembly

P19-

Chapter 4: Adjustments, Printing test

P37-

Chapter 5: Maintenance/Lubrication

P47-

Chapter 6: Troubleshooting

Chapter 7: Component List

Chapter 8: Parts Exchange

Chapter 9: Software

P50-

P53-

P60-

P68-

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Chapter 1: Printer Illustration

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1.1 Operation Panel

1) power Switch
Printer power

2) ready/insert Switch
Self-printing ,Paper intake/eject

3) LED
Power : Indicates if power is turn ed on. This LED also blinks the HEX dump/self printing status.

Ready : This LED blinks when the print data is receiv ed. Moreover, when an error occ urs, LED is
turned off.

error : Indicates printer is in an error st at e.
Blinking: Alarm Off: Normal

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Chapter 2: Decomposition

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2.1 Detaching of Cases

1

emove the screw (M3*L10P) in the place of

he arrows 1, 2 and 3.

3 4

2

ift the point of Rear Cover with tweezer s in

he direction of the arrow .(2 places

ift up and remove the Rear Cover in the
irection of the arrow.

ull right side of U Cover Assy af t er
Front Cover is opened in the direction of
he arrow 1, and lift up the lower part of U

over Assy in the direction of th e ar r ow 2.

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nsert the tweezers in the space between

_Cover Assy and CSF Cover_L, remove
he CSF Cover_L. Next, pull out FAN cable
rom the connector of pow er supply.

2.2 Detaching of Main_PCB

1

nsert the tweezers through the opening of

ower part of left side of U_Cover Assy and

ove tweezers in the direction of the arrow

ntil clicks. And remove U_Cover Assy.

2

emove the DC_Tape from the connect or on
he Main_PCB side and the screw-driver is

nserted from the hole shown in Figure.

emove the screw (M3*L6TP) in the place of

he arrow.

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emove the screws(1,2-M3*L12,

-M3*L6BIND) in the place of the arrows 1,
and 3.

ake off the one harness and the t hree FP C’s

rom connectors in the place of t he arrows.

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2.3 Detaching of FAN

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emove the screws in the place of t h e arrows

1 and 2.

.

2.4 Detaching of Carriage_Unit

1

emove the Washer (for Main_Shaft) with
weezers in the place of the arr ows 1, 2 and

2

ull out the Main_Shaft in the direction of

he arrow.

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ake off the CR_Belt from Drive_Pulley.

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ift up and pull out the Carriage from inside
f Frame_Unit.

ush the snap in the place of the arrow and

emove the FPC_Holder from Frame_Assy

nd then move the FPC to Carriage_Unit

ide.

ake off the CR_Belt from Carriage in the
irection of the arrow.

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2.5 Detaching of Sub_Pulley

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1

emove the Pulley_Base_Shaft in the place

f the arrow with screwdriver. And remove

he Belt_Spring.

2.6 Detaching of Mechanism

2

pread the points of Pulley_Base in the
irection of arrow 1 and remove the
ub_Pulley to the direction of arrow 2. And

emove the CR_Belt.

1

emove the CSF_Cover_R in the direct ion of

rrow.

2

emove the Three FPC(DC Tape,frame

PC,and CR motor cable).

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ull the point of L_Cover_Assy in the
irection of the arrow 1 and remove the

SF_Idle_Gear in the direction of the arrow

5 6

emove the screw (M3*L6BIN D) in the place

f the arrow.

emove the screws (M3*L 10P) in the plac e of

he arrows 1 and 2.

ull the point of L_Cover_Assy in the
irection of the arrow 1 and lift up the

echanism a little in the direction of the

rrow 2.

o same procedur e on each side.

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ift up in the direction of the arrows and

emove the Mechanism.

2.7 Detaching of CSF_Unit

1

emove the screws (M3*L 6TP) in the plac e of
he arrows 1 and 2.

2

emove the CSF_Unit in the direction of the

rrow.

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2.8 Detaching of Front_Cover_Unit

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1

emove the Damper_Spring from

rame_Unit in the direction of the arrow.

2

emove the left side of Front_Cover_Unit

rom Frame_Unit in the direction of the

rrow.

3

emove the right side of Front_Cover_Unit

rom Frame_Unit in the direction of the

rrow.

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2.9 Detaching of Veil_Unit

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1

lace the leg of the Veil_Spring in the hooks
n the Veil_Unit.

To prevent the Spring being lost.

2.10 Detaching of Platen

2

ush the projection in the hole of Veil_Unit

n the direction of arrow 1 and shift

eil_Unit in the direction of arrow 2. And lift
p and remove it in the direct ion of arrow 3.

1

emove Cleaning-Pad_Dye-Sub from

rame_Unit in the direction of the arrow.

2

emove the screw in the place of the arrow
ith screwdriver.

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ift up the heat sink in the direction of the
rrow.

ift up the Platen in the direction of the

rrow 1 and shift Platen in the direction of

he arrow 2. And lift up and remove it in the

irection of the arrow 3.

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2.11 Detaching of Cleaning_Pad

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ift up and remove the Cleaning_Pad_Dye­ub in the direction of the arrow.

2.12 Detaching of Power_Supply

2

ake and remove the Cleaning_Pad in the
irection of the arrow.

1

emove the screws (1,2-M3*L6BIND) in the

lace of the arr ows 1 and 2. And take off t he

C_Cable in the place of t h e arrow 3.

2

ift up and shift the Power_Supply in the
irection of the arrows 1, 2 and remove it in

he direction of the arrow 3.

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2.13 Detaching of CR_Drive_Pulley

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emove the CR_Drive_Pulley and

ulley_Flange after removing the Washer (f or
ulley) as shown.

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Chapter 3: Assembly

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3.1 Installing of CR_Drive_Pulley

1

nstall the Washer (for pulley) after installing

he CR_Drive_Pulley and Pulley_Flange as

hown.
The removed Washer(for pulley) cannot be
Reused once. Use the new art i cle.

3.2 Installing of Power_Supply

1

2

ut the Power_Supply in and shift it in the
irection of the arrow.

nstall the screws (1,2-M3*L6BIND) in the

lace of the arr ows 1 and 2. And insert t he

C_Cable in the place of t h e arrow 3.

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3.3 Installing of Cleaning_pad

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tick the Cleaning_Pad in the area shown in

he direction of the arrow.

3.4 Installing of Platen

2

ut and push the Cleaning_Pad_Dye-Sub in

he direction of the arrow until clicks.

1

ut the Platen under the heat sink.

2

ut the Platen under the projection of No.1-

o.3 doing the slide in the direction of the

rrow (No.4).

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ush the cooling pad in the direction of the

rrow.

ighten the screw in the place of th e ar r ow.

ush the Cleaning_Pad_Dye-Sub in the
irection of the arrow.

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