Citizen PMU-2200II User manual

Service Manual
LINE THERMAL PRINTER
MODEL PMU-2200II / 2300II
Rev. 1.00 Issued on January 19, 2009

PMU2XXX Service Manual
CITIZEN is a registered trade mark of CITIZEN HOLDINGS CO., LTD., Japan.
CITIZEN es una marca registrada de CITIZEN HOLDINGS CO., LTD., Japón.
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REVISION
Rev. Date Page Comment
1.00 2009/1/19 Newly issued

PMU2XXX Service Manual
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CONTENTS
INTRODUCTION.......................................................................................................................................3
1. DISASSEMBLY AND REASSEMBLY...............................................................................................3
1.1 Tools Used.........................................................................................................................................3
1.2 Disassembly Procedure...................................................................................................................4
1.2.1 Removing Board Main...............................................................................................................4
1.2.2 Removing UNIT,MECHANISM..................................................................................................5
1.2.3 Removing UNIT, Paper Holder..............................................................................................10
1.2.4 Removeng BM Sensor.............................................................................................................16
1.2.5 Removeng SA PLATEN HILDER.............................................................................................18
2. Memory Switch Setting.................................................................................................................19
3. TROUBLESHOOTING ......................................................................................................................20
3.1 Error Indication...............................................................................................................................20
3.2 Troubleshooting Procedure...........................................................................................................22
3.3 Troubleshooting Guide..................................................................................................................22
4. SERVICE PARTS LIST.....................................................................................................................26
4.1 Parts List for Mechanism...............................................................................................................26
4.2 Exploded View of Mechanism.......................................................................................................29
4.2.1 PMU2220Ⅱ/２２１０Ⅱ 2-inchmode Basestyle:Horizontal...........................................29
4.2.2 PMU2211Ⅱ2-inchmode Basestyle:Verticalfront-mount..........................................30
4.2.3 PMU2202Ⅱ/2212Ⅱ2-inchmode Basestyle:Vertical back-mount............................31
4.2.4 PMU2300Ⅱ/2310Ⅱ3-inch mode Base style:Horizontal..............................................32
4.2.5 PMU2301Ⅱ3-inchmode Basestyle:Verticalfront-mount..........................................33
4.2.6 PMU2302Ⅱ3-inch mode Base style:Vertical back-mount..........................................34
4.3 List of Electric Parts.......................................................................................................................35
4.4 Parts Configuration........................................................................................................................36
4.4.1 Main Control Board(Serial).....................................................................................................36
4.4.2 Main Control Board(Parallel)..................................................................................................37
4.4.3 Main Control Board(USB).......................................................................................................38
4.4.4 Main Control Board(USB).......................................................................................................39
5. CIRCUIT DIAGRAM.........................................................................................................................40
5.1 Main Control Board（CPU Circuit）.............................................................................................40
5.2 Main Control Board（port）.........................................................................................................41
5.3 Main Control Board（Other Common part）.............................................................................42
5.4 Main Control Board（Interface Circuit on Serial, USB）..........................................................43
5.5 Main Control Board（Interface Circuit on Serial, Parallel）....................................................44

PMU2200Ⅱ/2300ⅡSERIES Service Manual
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INTRODUCTION
This manual describes the disassembly, reassembly, and maintenance procedures of the KIOSK printer
PMU2XXX
1. DISASSEMBLY AND REASSEMBLY
Notes the following items when maintaining the printer.
• Do not disassemble, reassemble, or adjust the printer unnecessarily when the printer operation is
satisfactory.
• Do not loosen the screws fixing each component carelessly.
• After finishing inspection, perform checking for normality before turning on the printer.
• Pay attention not to leave the part or screws used for maintenance inside the printer.
• When handling the print head and electronic components, pay attention to static electricity.
• When disassembling or reassembling the printer, check the wiring and cord for damage. Pay attention not
to lay the wiring and cord by force.
• Lubricate the components as necessary when reassembling them.
1.1 Tools Used
• Phillips screwdriver #0, #1, and #2
• Tweezers
• Long-nose pliers
• Nipper

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1.2 Disassembly Procedure
1.2.1 Removing Board Main
1. Removing Cover IF Board
1. Remove M3x6(ST) Screw.
2. Remove Cover IF Board.
2. Removing UNIT, Guide Paper Rear）
1. Remove the two M3x6(ST) Screw、and UNIT,
Guide Paper Rear.
3. Removeng Board Main
1. Remove cable and FPC from Main PCB.
M3x6 (ST)
UNIT,
Guide Paper Rear
M3x6 (ST)
Hook
Cover IF Board
*Attention at reassembly
Insert Cover IF Board up to the hooks.
CN102
CN109
CN107 CN107
CN104
CN103
CN106
CN108
Release the lock of
CN107 before
remove FPC.

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2. Remove the four M3x6(ST) Screw、and Board Main.
1.2.2 Removing UNIT,MECHANISM
1. Removeng AUT CUTTER
1. Remove the four M3x6(ST thin head）Screw from the side.
2. Widen Cutter BK(Cutter BK 2in) a little, remove ,AUT CUTTER.
* Do not transform Cutter BK(Cutter BK 2in) by expanding it in excess.
Board Main
M3x6 (ST)
Hook
Hook
*Attention at reassembly
Hang the cable of AUT CUTTER on
the hooks.
*Attention at reassembly
Note the direction of FPC (CN102).
*Attention at reassembly
Note the direction of
FPC(CN107).
M3x6(ST thin head）
AUT CUTTER
Cutter BK
Cutter BK 2iｎ

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2. Removeng UNIT,MECHANISM
1.Remove the two M3x6(ST) Screw and
remove UNIT,MECHANISM from
Frame1(Frame1 2in).
2. Remove the two M3x6(ST) Screw and two
M2x6(BT) Screw and.Cutter BK(Cutter BK
2in).
3. Pull out FPC, and Peel off the Tape that is fixation of
cable.
4. Cut Unity belt that is the fixation of the cable, and
remove MECHANISM.
M3x6
(
ST
)
Hook
UNIT,
MECHANISM
M3x6(ST)
M2x6 (BT)
Cutter BK
(Cutter BK 2in)
Ta
p
e
Hook
Unity belt
MECHANISM

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*Note that the MECHANISM C is different by PMU2200/2300 SERIES and PMU2200Ⅱ/2300ⅡSERIES.
Even if externals are the same, they are not compatible.
Table MECHANISM
Model PMU2200/2300 SERIES PMU2200Ⅱ/2300ⅡSERIES
Horizontal 58mm PMU2200(A) PMU2200Ⅱ(A)
Horizontal 60mm PMU2210(A) LT-2223V(A) PMU2210Ⅱ(A) LT-2223VQ(A)
Vertical Front 60mm PMU2211(A) LT-2223H(A) PMU2211Ⅱ(A) LT-2223HQ(A)
Vertical Back 58mm PMU2202(A) PMU2202Ⅱ(A)
2-in
Vertical Back 60mm PMU2212(A) LT-2223V(A) PMU2212Ⅱ(A) LT-2223VQ(A)
Horizontal 60mm PMU2310(A) PMU2310Ⅱ(A)
Horizontal 80mm PMU2300(A) LT-2321V(A) PMU2300Ⅱ(A) LT-2321VQ(A)
Vertical Front 80mm PMU2301(A) LT-2321H(A) PMU2301Ⅱ(A) LT-2321HQ(A)
3-in
Vertical Back 80mm PMU2302(A) LT-2321V(A) PMU2302Ⅱ(A) LT-2321VQ(A)
*A: Thick paper
*Attention at reassembly
Hang the cable of motor on the hooks.
*Attention at reassembly
Note the direction of ＦPＣ.
PMU2200/2300 SERIES PMU2200Ⅱ/2300ⅡSERIES
*Attention at reassembly
The color of the coating is a black..

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3. Removeng SA,Spring Paper Roller
Base style: Horizontal / Vertical back-mount
1. Remove the two M3x8(ST) Screw and remove SA, Spring Paper Roller.
Base style: Vertical front-mount
1. Remove the two M3x4(ST) Screw and remove
SA, Spring Paper Roller.
M3x4(ST)
SA, Spring Paper Roller
M3x6(ST)
SA, Spring Paper Roller
M3x6(ST)
SA, Spring Paper Roller

PMU2200Ⅱ/2300ⅡSERIES Service Manual
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4. Removeng Guide Paper Rear
1. Remove the two M3x6(ST) Screw and remove Guide Paper Rear(Guide Paper Rear 58 2in / Guide
Paper Rear 60 2in).
*3-in is all common. 2-in becomes the following.
Table 2-in Guide Paper Rear
5. Removeng Guide 2inch（3inch-model:PMU2310）
1. Remove the two M3x6(ST) Screw.
2. Remove Guide 2inch while floating it from the
hook.
Model Guide Paper Rear
Horizontal 58mm PMU2200Ⅱ Guide Paper Rear 58 2in
Horizontal 60mm PMU2210Ⅱ Guide Paper Rear 60 2in
Vertical Front 60mm PMU2211Ⅱ －
Vertical Back 58mm PMU2202Ⅱ Guide Paper Rear 58 2in
Vertical Back 60mm PMU2212Ⅱ Guide Paper Rear 60 2in
Hook
M3x6(ST)
Guide 2inch
SA, Spring Paper Roller
Guide Paper Rear
(Guide Paper Rear 58 2in)
(Guide Paper Rear 60 2in)
M3x6(ST)

PMU2200Ⅱ/2300ⅡSERIES Service Manual
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1.2.3 Removing UNIT, Paper Holder
１. Removeng SA Plate Paper Holder
Insert from left / Insert from right
1. Plate Paper Holder：Remove the two M3x6(ST) Screw.
2. Stopper Paper Plate：Remove M3x6(ST)Screw and WASHER,Nut M3.
Insert from top
1. Plate Paper Holder：Remove the four M3x6(ST) in right and left.
Attention at 2-inch model
M3x6 (ST)
M3x6 (ST)
M3x6 (ST)
WASHER
Nut M3
M3x6 (ST)M3x6 (ST)
M3x6 (ST) M3x6 (ST)
Plate Paper Holder 2in
*Attention at reassembly
There are two kinds of Plate Paper Holder for
2-inch model.It is different depending on the
s
p
ecification.
Plate Paper Holder2 2in

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Left side Right side
(3) (2) (1)
(
1
)
(
2
)
(
3
)
Table Paper diameter ( Direction of paper insertion L: Insert from left )
Left side Right side
Holder
position (3) (2) (1) (1) (2) (3) 2-in Holder
(*3in is all the same.）
1: A bit near －－
－
2: Standard －
－－
Plate Paper Holder2 2in
3: A bit far
－－
－
4: Far
－－－
Plate Paper Holder 2in
*It becomes an installation in the direction of figure in the table.
*Attention at reassembly
The screw position and the direction of Plate Paper Holder and Stoppe
r
Paper Plate are different depending on the specification.

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Left side Right side
(3) (2) (1)
(
1
)
(
2
)
(
3
)
Table Paper diameter ( Direction of paper insertion R: Insert from right)
Left side Right side
Holder
position (3) (2) (1) (1) (2) (3) 2-in Holder
(*3in is all the same.）
1: A bit near －
－－
2: Standard
－
－－
Plate Paper Holder 2in
3: A bit far －
－
－
4: Far
－－－
Plate Paper Holder2 2in
*It becomes an installation in the direction of figure in the table.

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Left side Right side
(3) (2) (1)
(
1
)
(
2
)
(
3
)
Table Paper diameter ( Direction of paper insertion T: Insert from top)
Left side Right side
Holder
position (3) (2) (1) (1) (2) (3) 2-in Holder
(*3in is all the same.）
1: A bit near －
－
2: Standard
－－
Left side:
Plate Paper Holder 2in
Right side:
Plate Paper Holder2 2in
3: A bit far －
－
4: Far
－－
Left side:
Plate Paper Holder2 2in
Right side:
Plate Paper Holder 2in
*It becomes an installation in the direction of figure in the table.

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*E-Ring 5 position A is different according to Direction of paper insertion.
Table 2-in Model E-Ring 5 position
E-Ring 5 position
Model Left Right Top
Horizontal 58mm PMU2200Ⅱ(1)
Horizontal 60mm PMU2210Ⅱ
Vertical Front 60mm PMU2211Ⅱ(2)
Vertical Back 58mm PMU2202Ⅱ(1)
Vertical Back 60mm PMU2212Ⅱ(2)
－
Table 3-in Model E-Ring 5 position
E-Ring 5 position
Model Left Right Top
Horizontal 60mm PMU2310Ⅱ(2) （1）（4）(3)
Horizontal 80mm PMU2300Ⅱ
Vertical Front 80mm PMU2301Ⅱ
Vertical Back 80mm PMU2302Ⅱ(4) －
Shaft Pa
p
er Holder 2in
(1)
(2)
(1) (2) (3) (4)
Shaft Pa
p
er Holde
r

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2. Removeng PNE Sensor
Insert from left／Insert from right
1. Remove M4x6(ST) Screw.
6: 60mm 8: 80mm 1: 102mm
Insert from top
1. Remove M3x3(ST) Screw.
*Attention at reassembly
The cable is passed through the hole
Shaft Paper Holder
*
Attention at reassembly
Put Plate Paper Holder and SA PNE Sensor between
Shaft Paper Holder, and stop it with the screw.
Installed position is different depending on the
specification.
Paper Holder
PNE Sensor
M4x6(ST)
M3x3(ST)
*
Attention at reassembly
Put Plate Paper Holder and SA PNE Sensor
between Shaft Paper Holder, and stop it with
the screw.
*Attention at reassembly
Connect BM Sensor with CN108 of
Borad Main do not make a mistake
because CN108 and CN109 are
connectors of this t
yp
e.
CN108

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1.2.4 Removeng BM Sensor
Base style: Horizontal / Vertical back-mount
1. Remove M3x6(ST) Screw.
Position M2 Position M1
M4x6 (ST)
Projection
for fixation
Hole for
projection
Screw hole
for M1 Screw hole for M1
Projection
for fixation
*Attention at reassembly
The screw hole is different because oｆ
Position.
Fix the hole for projection on Projection
for fixation.
Position M2
Position M1
Position M1
Position M2
*Attention at reassembly
Connect BM Sensor with CN109 of Board
Main. Do not make a mistake because
CN108 and CN109 are connectors of this
type.
CN109

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Base style: Vertical front-mount
1. Remove the two M3x6(ST) Screw.
2. Remove SA PNE Sensor.
M3x6 (ST)
Position M１Position M2
*Attention at reassembly
Connect BM Sensor with CN109 of Board
Main. Do not make a mistake because
CN108 and CN109 are connectors of this
type.
CN109
Position M2
Position M１

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1.2.5 Removeng SA PLATEN HILDER
1. Remove the two M3x6(ST) Screw from the side.And remove Unit SA PLATEN HILDER from
Frame 1(Frame 1 2in).
2. Remove the two M3x6(BT) Screw.
3. Remove M2x4(BT) Screw and Fix Brade
M3x6(ST)
SA PLATEN
HILDER
M2x4(BT)
Fix Brade
M3x6(BT)
Holder2 Platen Unit
(Holder2 Platen Unit 2in)

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2. Memory Switch Setting
It is registered in the printer as follows by the option of the factory. They are different by the model, and not
possible to change
(1) Printer Name of the self-printing
(2) Printer Name of the self-printing
(3) Initial value
However, the above-mentioned is unrelated to the function it. It is possible to correspond by changing the Memory
Switch.
Base Model
Memory Switch Setting is as follows. If Memory Switch Setting is not correct, the printer doesn't operate
correctly.
Table Base Model
Base Model MSW4-5
Mechanism
mounted
MSW2-6
Paper width MSW4-4 Base style
Horizontal 58mm PMU2200Ⅱ
Horizontal 60mm PMU2210ⅡOFF PMU2XX0/2XX2
Vertical Front 60mm PMU2211ⅡON PMU2XX1
Vertical Back 58mm PMU2202Ⅱ
Vertical Back 60mm PMU2212Ⅱ
ON LT-22XX
Horizontal 60mm PMU2310Ⅱ
ON 58（60）mm
Horizontal 80mm PMU2300Ⅱ
OFF PMU2XX0/2XX2
Vertical Front 80mm PMU2301ⅡON PMU2XX1
Vertical Back 80mm PMU2302Ⅱ
OFF LT-23XX OFF 80 mm OFF PMU2XX0/2XX2
Destination
Memory Switch Setting is as follows. Table Destination
Destination MSW9-1
Code Page MSW9-2 Int’Char Set MSW9-3 Kanji
J : Japan Katakana Japan ON
U: US/EU/Other PC437 U.S.A OFF
PNE Sensor
Memory Switch Setting is as follows. Table PNE Sensor
PNE Sensor MSW2-8
PNE Sensor
No mark : Without sensor ON Invalid
P : PNE sensor OFF Valid
Paper Select
Memory Switch Setting is as follows. Table Paper Select
Paper MSW3-4
Paper Select MSW4-1 Auto Length
No mark : Thermal OFF Thermal OFF Invalid
M1/M2 : Black MK ON Black MK ON Valid