Japan CBM Corporation CMP-10 User manual

CMP-10 Service Manual
CMP-10 Rev. 1.00 P 1/41Date: 2002.07.25
CMP-10
SERVICE MANUAL
PRODUCT NAME: CMP-10
TERRITORY: TD
REVISION: 1.0
DATE: 2002.07.25
DESIGNED:
APPROVED:
APPROVALS:
R&D Department :
QC Department :
Manufacturing Department :
Marketing Department :

CMP-10 Service Manual
CMP-10 Rev. 1.00 P 2/41Date: 2002.07.25
REVISION
Rev. No. Date Comment
Rev. 1.0 July24,2002 Newly issued

CMP-10 Service Manual
CMP-10 Rev. 1.00 P 3/41Date: 2002.07.25
INTRODUCTION
This manual describes the disassembly, reassembly, and maintenance procedures of Citizen Mobile Printer
CMP-10. It is intended for field maintenance men.
1. FEATURES
This small, portable line thermal printer is designed for various types of Personal Data Assistance (PDAs)
devices, notebook computers, mobile phones etc. Its abundant built-in features allow you to widely use this
printer for different applications.
Prior to using it, read and understand this manual thoroughly.
(1) Small, lightweight, you can carry it everywhere
(2) High speed and low noise, owing to line thermal print
(3) Long-life printing head and high reliability, owing to the simple mechanism
(4) Easy paper-loading, owing to clamshell mechanism
(5) Built-in input buffer - 64 K
(6) Capable of printing a bar code (Special command)
(7) Capable of IrDA communication
(8) Capable of using magstripe reader
(9) Interfaces to Pocket PC and PALM OS devices

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2. GENERALSPECIFICATIONS
Feature Parameters
1. Printing system Direct thermal printing
2. Printing speed 50 mm/sec
3. Printing head Total dots: 384
Dot density: 8 dots/mm
Printingwidth:48mm
4. Emulation ESC/POS commands + Unique commands
(with some unique functions)
5. Characters ASCII Code, Alphanumeric characters,
International characters, Windows Code page
6. Characters per line FONT A: 32 characters/line, FONT B: 42 characters/line
7. Dotmatrix FONT A: 12H × 24V, FONT B: 19H × 16V
8. Bar code type UPC-A/E, JAN(EAN)13/8 columns, ITF, CODE39,
CODE128, CODABAR
9. Paper feed system Friction feed
10. Paper width 58 ±0.5 mm
11. Paper thickness 60 - 65 µm
12. Recommended paper TF50-KS-E2D (Nippon Paper)
13. Paper roll maximumdiameter 40 mm (CMP-10-40), 50 mm (CMP-10-50)
14. Minimum core diameter 8 mm
15. Interfaces IrDA version 1.0
Serial interface (by special cable - option)
16. IrDA Interface Mode: Infrared transceiver mode
Transport wave: Wave length - 850 to 900 nm
Communicationspeed:9600,19200,38400,57600,
115200 bps
Data length: 8 bits
Start bit: 1 bit
Stopbit:1 bit
Parity: none
Communication:Halfduplex
Flow control: IrDA standard
Communication distance: Max. 80 cm
17. Serial interface Speed:1200,2400,4800,9600,19200,57600,115200bps
Interface: Bidirectional serial communication
Signallevel:RS-232C
Data lenght: 8 bits
Start bit: 1 bit
Stopbit:1 bit
Parity: None
Flowcontrol:Xon/Xoffonly
Connector: Motorola Star Tac
18. Input buffer 64 KB
19. Mag stripe reader Track 1, 2, 3
20. LED color Power LED: GREEN and RED
Charge LED: GREEN and RED

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Feature Parameters
21. Operation switches Power switch 1, LF switch 1
22. Sensors and error monitoring Paper end sensor, Open cover sensor,
Head temperature, Low battery
23. Power consumption Idle - approximately 2W
When printing - approximately 15W
24. Battery Battery type: Li-ion battery pack
Cell Voltage: 3.7 V
Number of cells: 2
Battery pack voltage: 7.4 V
Battery pack capacity: 2000 mAh
25. Battery charging time Approximately 3 hours by main unit + AC adapter
26. Maximumlinesprinted with 40,000lines
fully charged battery (At temperature 20°C, standard setting, alphanumeric
slide pattern printing. The number of lines may be changed
by such condition as temperature, etc.)
27. Powersupplymonitoring Auto Power OFF (programmable - from 1 to 60 sec.)
Low battery monitoring included.
28. AC Adapter Model: 10AD-JU (for Japan, USA, and Canada)
10AD-E (Europe)
Input voltage 90 V - 264 V AC
Output voltage 9.0 V DC 1.0 A
29. OperatingEnvironment Temperature: 5 – 40°C
Humidity: 35 – 80% RH (No dew condensation)
30. Storage Environment Temperature: –20 – 60°C
Humidity: 10 – 90% RH (No dew condensation)
31. Reliability Print head: 50,000,000 pulses or 50km
(Normal temperature, 12.5% density, rated energy)
Mechanism:15,000,000lines
32. Safety standard and EMI UL, C-UL, TUV, GS, CE Marking
FCC Class B, VCCI Class B
33.Dimensions 116 (W) × 104 (D) × 63 (H) mm
(50 mm paper cover + Mag stripe reader)
34. Weight Approx. 370 g (with battery and belt clip without paper)
35. Options Serial Cable, Mag Stripe card reader (Factory option)

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3. DISASSEMBLY AND REASSEMBLY
In case of maintenance work, observe the following:
CAUTION
(1) If the printer functions properly, do not disassemble, reassemble, or adjust it. Particularly, do not loosen
each set screw unless required.
(2) After inspecting the printer, be sure to confirm that it is free from error.
(3) Never try to print without setting the printing paper in the printer. Confirm that it is properly set.
(4) In case of maintenance work, be careful not to leave the used parts or screws in the printer.
(5) When handling the thermal head or control board, do not wear the gloves which will easily cause static
electricity. Prior to handling it, discharge static electricity from your body. Also, never conduct
maintenance work in a place where the printer will be easily electrified.
(6) When disassembling and reassembling, check the cords and boards for any damage, and do not cable or
fix them in an inappropriate manner by force.
(7) Never carry out maintenance work with the power turned on.
3.1 Disassembly Procedure
1. Prior to Disassembly
(1) Disconnect all the cables from the the main body. For your safety, unplug a power cord from a
plug socket.
(2) Open the paper cover.

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Screw
(4) Unscrew the screw on the bottom of the paper magazine.
(5) Close the paper cover.
(3) Remove the paper roll from the paper magazine.

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2. Removing the battery cover
(1) Press the marked area on the battery cover and lift the cover.
3. Removing the battery
(1) Open the battery cover as shown above.
(2) Take out the battery pack.
(3) Disconnect the battery pack from the connector.
(4) Remove the battery pack from the battery compartment.

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(5) Remove two M3 ×10 (BT) screws.
4. Removing the back cover
(1) Turn the printer downward.
(2) Push the front cover at the places shown on the drawing and lift the back cover.
(3) Remove the back cover.

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5. Removing the paper cover
(1) Lift the printer.
(2) Take out the paper cover as shown on the drawing.
6. Removing the Main PCB and Operational Panel
(1) Unscrew the three screws with which the Main PCB is fixed to the plastic case as shown on the
drawing.

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(2) Lift up the Main PCB together with the operational panel.
(3) Disconnect the printer cables and Buzzer cable.
(4) Remove the Main PCB and the operational panel.
(5) Disconnect the Operational panel from the Main PCB.
7. Removing the printer
(1) Unscrew the four screws which are fixing the printer to the plastic case.
(2) Remove the module from the plastic case.
(3) Unscrew the two screws which fix the printer to the plastic carrier.
(4) Pull the printer forward and detach it from the plastic carrier.

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8. Removing the platen (for model CMP-10-40)
(1) Unscrew the screws as shown on the drawing.
(2) Detach the platen.

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9. Removing the Operational Panel PCB
(1) Unscrew the two screws and detach the Operational Panel PCB from the plastic panel.
3.2 Reassembly Procedure
Reassemble the disassembled parts in the reverse order of the disassembly procedure described in 3.
CAUTION:
1. Route the cables very carefully so that they will not be caught.
• The flat cable should be located on the board side.
2. Tighten the screws firmly, but avoid tightening them too hard.
3. Use only the attached screws. There are several kinds of screws used. If they are unscrewed, be sure
to put them back in their original places.
4. After reassembly, be sure to check prior to turning on the power.

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4. TROUBLESHOOTING
4.1 TroubleshootingProcedure
Iftheprinterhasatrouble, confirm itsphenomenon,determine a defectivepartaccording to 4.2Troubleshooting
Guide, and then, repair it in the specified manner.
• Phenomenon
Find a corresponding trouble phenomenon in this column. If there multiple corresponding phenomena,
confirm taking all of them into account.
This allows you to determine a hidden defective part.
• Cause
Possible causes are listed as many as possible in this column. Project a trouble cause and determine it by
the check method described in the next column.
• Check Method
Check methods are listed in this column to determine the relevant trouble cause.
• Repair Method
Repair the defective part in the manner described in this column.
Efficienttroubleshooting is enabled without making aerroneousjudgment by repairing in the above-mentioned
procedure.
4.2 TroubleshootingGuide
The following table lists the check methods and repair methods based on possible phenomena and causes.
AC Adapter Failure
Phenomenon
Charging LED is not
shiningthough DC
adapter is connected.
Cause
The AC cord is not
connected to Power inlet.
The voltage is abnormal.
(It is slightly higher than the
rating in the no-load state)
The AC adapter was
connected to another
device in the past.
Check Method
—
Use a voltmeter to
measure a supply
voltage. —
Repair Method
Connect the AC cord to
the specified plug
socket, etc.
Replace the AC
adapter.
Replace the AC
adapter.

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Phenomenon
The fuse blows out
immediately if replaced.
It blows out during
operation.
(F2 blows out)
Cause
The AC adapter is not
connected.
Battery pack is not
connected.
Battery pack is discharged.
The fuse is gone.
Others
The printer mechanism or
control board is defective.
The motor or driver of the
printer mechanism is
defective.
Check Method
—
Check if the battery
pack is connected.
Connect the AC adapter
and check that the
charge LED is blinking.
Check whether or not
the non-specified power
supply was used in the
past.
Check whether or not
the specified fuse is
used.
Check whether or not
the specified power
supply is used.
Check whether or not
the operation panel
board is connected.
The power is turned on
by disconnecting the
cable of the printer
mechanism.
(Does not operate)
The phenomenon
remains unchanged
after the above-
mentioned check.
The power is turned on
by disconnecting the
motor cable.
(Does not operate)
The phenomenon
remains unchanged
after the above-
mentioned check.
Repair Method
Connect the specified
AC adapter.
Connect proper battery
pack.
Charge the battery
pack.
Use the specified AC
adapter.
Use the specified fuse.
Use the specified AC
adapter.
Replace the cable of the
operation panel board.
Connect the connector.
Replace the printer
mechanism.
Replace the control
board.
Replace the printer
mechanism.
Replace the motor
driver or control board.
Power Supply Failure
The power cannot be
turned on.
(POWER lamp not
illuminated)

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Phenomenon
Noprinting
Thinprinting color
Missingdots
Missing dots in specific
section
Cause
Faulty battery pack
Battery pack is discharged.
Faultymountingand
connection of printer
mechanism
The printer operates
properly except not printing
Faulty printer mechanism
The head is heated due to
continuous print, etc.
Faulty battery pack
Battery pack is discharged
Non-recommended paper
Faulty thermal head
Faulty printer mechanism
connection
Foreign substance adhered
to the thermal head or
platenroller
Faulty thermal head
Faulty connection of printer
mechanism
Faulty thermal head
Check Method
Check whether or not
the specified Battery
pack is used.
Connect the AC adapter
and check that the
charge LED is shining.
Check mounting and
connection of the printer
mechanism.
Check whether or not
the specified paper is
used, and whether or
not the specified paper
is set inside.
—
Wait for some time.
Check whether or not
the specified battery
pack is used.
Connect the AC adapter
and check that the
charge LED is blinking.
Set print density higher
with the proper
command. —
Check whether or not
the printer mechanism
cable is connected
properly.
Check the thermal head
and platen roller for any
foreign substance.
—
Check whether or not
the printer mechanism
cable is connected
properly. —
Repair Method
Use the specified
Battery pack.
Charge the battery
pack.
Mount the printer
mechanism properly.
Set the specified paper
properly.
Replace the printer
mechanism.
Reset automatically.
Use specified battery
pack.
Charge the battery
pack.
Replace with the
recommended paper or
itsequivalent.
Replace the thermal
head.
Connect the printer
mechanism cable
properly.
Dip a cotton swab or
soft cloth in ethyl
alcohol and wipe off the
foreign substance.
Replace the thermal
head.
Connect the printer
mechanism cable
properly.
Replace the thermal
head.

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Phenomenon
Lowprint quality
Too much ink blot
Blurred characters
Cause
Faultyprinting paper
Faulty battery pack
Foreign substance adhered
to the thermal head or
platenroller
Faultyprinting paper
Worn platen roller
Check Method
Check whether or not
the specified printing
paper is used.
Check whether or not
the specified battery
pack is used.
Check the thermal head
and platen roller for any
adhered foreign
substance.
Check whether or not
the specified printing
paper is used.
The platen roller is worn
out and slips easily.
Repair Method
Replace with the
recommended paper or
itsequivalent.
Use the specified
battery pack.
Dip a cotton swab or
soft cloth in ethyl
alcohol and wipe off the
foreign substance.
Replace with the
recommended paper or
itsequivalent.
Replace the platen roller
unit.
* If the printer continues to print for a long time, the printed characters become thicker. If printing is
suspended and restarted, print concentration will change slightly. Print density becomes lower if used at
a low temperature.
Phenomenon
The printing paper is not
fed or fed unproperly.
Cause
Faulty connection of motor
connector
Faulty battery pack
Faulty motor body
Faulty paper feed
Foreign substance in the
gear
Broken gear
Faulty motor body
Check Method
Check the motor
connector for its
connection.
Check whether or not
the specified battery
pack is used.
Use a tester or
oscilloscope to measure
a supply voltage and
waveform.
Check whether or not
the printing paper is
jamming or torn and
caught in a paper path.
Check the motor gear
for any foreign
substance.
Check whether or not
the motor gear is
broken.
Use a tester or
oscilloscope to measure
a supply voltage and
waveform.
Repair Method
Connect the connector
properly.
Use the specified
battery pack.
If the supply voltage
and waveform are
normal, replace the
motor (printer
mechanism).
Remove unnecessary
printing paper and set
properly.
Remove the foreign
substance.
Replace the motor
(printer mechanism).
If the supply voltage
and waveform are
normal, replace the
motor (printer
mechanism).
* Paper Feed Failure
A printing paper feed
motor does not work or
malfunctions.

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Phenomenon
PE is always detected.
PE is not detected.
Cause
Faulty sensor
Faulty sensor
Foreign substance caught
by the sensor
Sensor exposed to the
direct sunshine or strong
light
Check Method
Use a tester to check
whether or not a supply
voltage and signal are
normal. —
Check for any foreign
substance.
Check operation,
avoiding the direct
sunshine or strong light.
Repair Method
Replace the PE sensor.
Replace the PE sensor.
Remove the foreign
substance.
Use in a place free
from the direct sunshine
or strong light.
* PE Sensor Failure
* If PE is not detected with no printing paper set, the printer will print even if the paper is not set, causing a
trouble to the printer head, etc. If printing is performed in this condition, replace the platen roller and head.
Phenomenon
At power-on, the
CHARGE and ON
lamps remain
illuminated.
At power-on, the
ERROR lamp blinks.
Kanji is not printed.
Erroneous printing or
malfunctioning.
A printer body or
internal temperature is
high.
Cause
Faulty control board
Faultymemory
No Kanji ROM
Faulty Kanji ROM
The printer is used in a
noisy place
Bad working environment
Check Method
—
—
Check whether or not
the printer is for
overseas use.
—
Check whether or not
there is any noise
emittingobject around
the printer.
Check the working
environmentand
installationsite.
Repair Method
Replace the control
board.
Replace the memory or
control board.
Replace the control
board with one for
domestic use or attach
the Kanji ROM.
Replace the Kanji
ROM.
Change the place.
Move the printer to a
well-ventilatedplace
within the specified
temperature range.
* Others (Operational Failure Included)

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5. ASSEMBLY DRAWING

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POS Name Quantity
1 Cover Front 1
2 Button 1
3 Printer base 1
4 Paper cover 40 mm 1
5 Cover back 1
6 Lamella 1
7 Rubber foot 2
8 Beltclip 1
9 Screw M3 ×62
10 Strap hook 2
11 RS connector cover 1
12 Main PCB 1
13 Screw M2.5 ×84
14 OP Panel PCb 1
15 Battery cover 1
16 OP Panel 1
17 LiION Battery 1
18 Screw M2.5 ×610
19 Screw M2 ×6.5 2