Page 3
(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...
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.) CLP-521, CLP-621 & CLP-631...
Page 6
(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. CLP-521, CLP-621 & CLP-631...
The distances from the paper sensor and thermal print head to the cutter blade are shown below. Paper cut position Print head position Paper sensor position Platen Cutter blade 24.9 mm (0.98”) 25.6 mm (1.01”) 51.5 mm (2.03”) CLP-521, CLP-621 & CLP-631...
ERROR LED Media end Media out (Media location cannot be detected.) Ribbon end Auto cutter abnormality (Jamming, etc.) Abnormal auto cutter temperature Time axis: : ON, : OFF : Slow LED flashing : Quick LED flashing CLP-521, CLP-621 & CLP-631...
6. Failure in the printer control circuit. 6. Replace the Main PCB Unit in the printer Printer stopped 1. Check if PRINT LED and CONDITION 1. Wait until the Cutter Unit gets cool. because of abnormal LED light alternately. auto cutter temperature CLP-521, CLP-621 & CLP-631...
Page 10
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 CLP-521, CLP-621 & CLP-631...
Maintenance tools shown below are needed when replacing the maintenance parts of the auto cutter unit. Maintenance Tools List Name Q'ty Description Remarks Phillips Screwdriver screws For 3 to 4 mm (Length 200 mm) Phillips Screwdriver screws For 2 to 3 mm (Length 100 mm) Thickness Gauge 0.9mm/1.0mm CLP-521, CLP-621 & CLP-631...
2-3. Installation Procedure Notes: - The following shows the auto cutter unit installation procedure for CLP-521. However, the procedure for CLP-621 and CLP-631 is basically the same as for CLP-521. - The auto cutter unit cannot be installed on the printer if an optional peeler unit is attached.
Page 13
5. Remove the one screw (PHT(BH2T), M3x14) that fastens the Connector Cover, and detach the Connector Cover. 6. Connect the cable of Cutter Stand Unit to the connector (CN15) on the Main PCB Unit of the printer. CLP-521, CLP-621 & CLP-631...
Page 14
In this case, run the cable so that it will not be caught by the Connector Cover or Motor Cover that will be installed again. Cable 8. Fasten the Cutter Stand Unit to the printer with the attached two screws. CLP-521, CLP-621 & CLP-631...
4. Close the Top Cover SA. 5. Connect the power cord and turn on the power switch of the printer. 6. Perform self print function and check for correct cutter operation. Refer to "3.2 Cutter Operation Check" in Chapter 3 "Adjustments". CLP-521, CLP-621 & CLP-631...
Static Eliminator Sheet Sticking Position: Stick the Static Eliminator Sheet to the position shown below. [Rear view of the Cutter Stand Unit] Cutter Stand Plate Cutter slit Brush Cut Guide 2 Plate Static Eliminator Sheet CLP-521, CLP-621 & CLP-631...
Page 18
Guide 2 Plate against the Cut Guide 1 Plate. 4) Tighten the screws "A" to fasten the Cut Guide 2 Plate. [Rear view of the Cutter Stand Unit] Plate, Cut Guide 1 Plate, Cut Guide 2 Thickness Gauge Plate, Cutter Stand CLP-521, CLP-621 & CLP-631...
Page 19
FEED key. After it enters TEST MODE, it prints and then printing stops. To restart printing, press the FEED key once more. Cut position 2nd sheet Cut position Paper feed direction 1st sheet Self test print pattern CLP-521, CLP-621 & CLP-631...
Page 20
- Cutter operation is possible even when "Auto Configure" option in the "After Print" menu is set to "Off". To enable the cutter operation, select "Cut On" in "Function Select" of the "After Print" menu, and then perform self test print operation. CLP-521, CLP-621 & CLP-631...