Citizen CLP-521 User manual
Technical Manual
CLP-521
CLP-621 & CLP-631
Auto Cutter Unit
JM74947-00F
1.00E-0610
Copyright ©2006 by CITIZEN SYSTEMS JAPAN CO., LTD.
Be sure to observe the following warnings and cautions during installing, removing or repairing
the auto cutter unit.
WARNINGS
(1) Before starting installing, removing or repairing, be sure to turn off the power of the
printer and disconnect the power cord from the power source.
(2) During disassembly/reassembly or adjustment, do not touch the cutting blade as it is
very dangerous.
(3) Do not insert a foreign object such as a paper clip into the cutting blade section.
(4) When cleaning the cutter blade, use a cotton swab that is soaked in ethyl alcohol. Do
not directly wipe with a soft cloth as the cutting blade is very dangerous.
CAUTIONS
(1) Do not disassemble/reassemble or adjust the auto cutter unit, if it functions properly.
Particularly, do not loosen screws on any component, unless necessary.
(2) After completing an inspection and before turning on the power, be sure to check that
there is no abnormality.
(3) Do not put anything on the covers, etc. during maintenance or while the printer is in
operation.
(4) During maintenance, be careful not to leave parts or screws unattached or loose inside
the auto cutter unit.
(5) When disassembling or reassembling, check cables for any damage and make sure that
they are not caught by covers, etc.
CLP
-
521, CLP
-
621 & CLP
-
631
ii
Chapter 1 Specifications
1-1 CLP-521, CLP-621 & CLP-631
CHAPTER 1
SPECIFICATIONS
TABLE OF CONTENTS
1-1. General Specifications .......................................................................................... 1-2
1-2. Cut Position........................................................................................................... 1-4
1-3. Cutter Errors ......................................................................................................... 1-5
1-3-1. Error Indication ......................................................................................... 1-5
1-3-2. Troubleshooting........................................................................................ 1-6
Chapter 1 Specifications
CLP-521, CLP-621 & CLP-631 1-2
1-1. General Specifications
Item Descriptions
Cutting method Guillotine type
Maximum cut paper
thickness
0.25 mm (0.01”)
Minimum cut paper length 25.4 mm (1”)
Cut paper width Maximum: 118 mm (4.65”)
Minimum: 25.4 mm (1”)
Durability
Number of cuts:
More than 300,000 times (for 60 to 150 μm (0.0024 to 0.0059")
paper thickness )
More than 100,000 times (for 150 to 250 μm (0.0059 to
0.0098") paper thickness)
Note: - Paper with adhesive substance may be excluded from
these figures.
- Number of cuts may differ depending on the paper
material to be used.
Paper specifications Roll or label (continuous, die-cut, fanfold, tag and ticket).
However, the following paper cannot be used.
- Paper thickness: 0.06 mm (0.0024”) or less
- Roll paper core diameter: 51 mm (2”) or less
Note: Paper other than the specified may have problems
such as paper jams, so paper must be checked
whether it meets the specification or not before use.
Cut accuracy Cut length tolerance: ±1.0 mm (±0.04") or less
Maximum cut difference between left and right edge: ±1.0 mm
(±0.04") or less
Note: - Above accuracy will be satisfied at normal
temperature/normal humidity when recommended
label paper and ribbon are used.
- Paper cut position can be adjusted using the printer
command. (Refer to the Command Reference Manual
for details.)
Paper feed direction
Maximum cut difference between
left and right edge
Cut length tolerance
Chapter 1 Specifications
1-3 CLP-521, CLP-621 & CLP-631
Item Descriptions
Power consumption Typical operating: Approx. 1.5 A (24 V)
(Power is supplied from the printer.)
Operating temperature and
humidity
Temperature: 5 to 40°C (41 to 104°F)
Humidity: 30 to 75% RH (non-condensing)
(Condition: Under good ventilation with natural convection)
Note: Specifications for temperature and humidity are the
same as the printer.
Outer dimensions 149 mm (W) x 76 mm (H) x 52 mm (D)
(5.87” (W) x 2.99” H x 2.05” (D))
Weight Approx. 0.5 kg (1.1 lb.)
Note: When paper with adhesive is used, do not cut a label portion. Otherwise, adhesive
of label may stick onto the cutter blade, which could cause cutting malfunction.
Chapter 1 Specifications
CLP-521, CLP-621 & CLP-631 1-4
1-2. Cut Position
The distances from the paper sensor and thermal print head to the cutter blade are shown
below.
Print head position Paper sensor position
24.9 mm (0.98”) 25.6 mm (1.01”)
51.5 mm (2.03”)
Platen
Paper cut position
Cutter blade
Chapter 1 Specifications
1-5 CLP-521, CLP-621 & CLP-631
1-3. Cutter Errors
1-3-1. Error Indication
When a cutter error occurs, an alarm sounds and the error condition is displayed on the LEDs
of the operation panel.
If a cutter error (except for abnormal auto cutter temperature) occurs, the printer goes offline
and the PRINT LED goes out.
In case of abnormal cutter temperature, the printer stops temporarily, but it will automatically
restart when temperature lowers.
Item PRINT LED CONDITION LED ERROR LED
Media end OFF OFF
Media out
(Media location cannot be
detected.)
OFF
Ribbon end OFF
Auto cutter abnormality
(Jamming, etc.) OFF OFF ON
Abnormal auto cutter
temperature OFF
Time axis:
: ON, : OFF
: Slow LED flashing
: Quick LED flashing
Chapter 1 Specifications
CLP-521, CLP-621 & CLP-631 1-6
1-3-2. Troubleshooting
Symptoms Checks Remedies
Media is not cut
cleanly.
1. Is adhesive label used and adhesive
stuck onto the cutter blade?
1. Cleaning of blade is required. If the
blade is worn out, replace the
Cutter Unit.
Media jammed. 1. Turn off the power of the printer and
check the Cutter Unit for any foreign
matter.
2. Is the Cutter Cable SA (JM67765-0) of
the Cutter Stand Unit (JM98802-0)
connected to the Main PCB SA (CN15)
of the printer?
3. Is the cable of the Cutter Unit connected
to the Cutter Stand Unit?
4. Is the gap of cutter slit in a specified
range (0.9 mm to less than 1.0mm)?
5. Failure in the cutter control circuit.
6. Failure in the printer control circuit.
1. Remove foreign matter.
2. Connect it firmly.
3. Connect it firmly.
4. Adjust the gap. (Refer to Chapter 3
"Adjustments".)
5. Replace the Cutter PCB Unit.
6. Replace the Main PCB Unit in the
printer
Printer stopped
because of abnormal
auto cutter
temperature
1. Check if PRINT LED and CONDITION
LED light alternately.
1. Wait until the Cutter Unit gets cool.
Chapter 2 Installation Procedure
2-1 CLP-521, CLP-621 & CLP-631
CHAPTER 2
INSTALLATION PROCEDURE
TABLE OF CONTENTS
2-1. Auto Cutter Unit Components ............................................................................... 2-2
2-2. Maintenance Tools List.......................................................................................... 2-2
2-3. Installation Procedure............................................................................................ 2-3
2-3-1. Installing the Cutter Stand Unit ................................................................. 2-3
2-3-2. Installing the Cutter Unit ........................................................................... 2-6
2-3-3. Removing the Auto Cutter Unit ................................................................. 2-7
2-3-4. Caution when replacing parts ................................................................... 2-7
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