3-6. Adjustments
CLP-621 & CLP-631
3-52
3-6-3. Ribbon Tension Adjustment
This adjustment should be done in the following cases:
• When ribbon running is abnormal.
• When the Ribbon Sensor F/R Unit or one of its parts is reassembled.
1. Turn the Ribbon Left-Right Balance Adjustment Knobs (Front) to the center of the scale.
2. Turn the Ribbon Left-Right Balance Adjustment Knob (Rear) to the center of the scale.
3. Set the Tension Adjustment Knobs (Front/Rear) to the positions marked with
T
(Max.
tension).
4. Remove the Ribbon Tension Adjustment Cover on the front and rear sides for checking the
lighting status of LED (D901).
5. Turn ON the printer.
6. Place the spring gauge on the front side knob as shown in the figure and apply 350 to 380g
force onto the knob. At this time, be sure that the LED changes from ON to OFF.
7. Place the spring gauge on the rear side knob as shown in the figure and apply 350 to 400g
force onto the knob. At this time, be sure that the LED changes from ON to OFF.
8. If satisfactory results are obtained, turn OFF the printer.
If not, proceed to Step 9.
D901
D901
350 - 400g
350 - 380g
Tension Adjustment Knob
(Front)
Tension Adjustment Knob (Rear)
Front Balance Adjustment Knob
(Center)
Back Balance Adjustment Knob
(Center)
Tension Sensor SA
(Ribbon Sensor R Unit)
(Ribbon Sensor F Unit)
Strong
Weak
Strong
Weak
Summary of Contents for CLP-621
Page 1: ...Technical Manual CLP 621 CLP 631 Thermal Transfer Barcode Label Printer JM74961 00F 1 00E 0701...
Page 2: ...CLP 621 CLP 631 ii Copyright 2007 by CITIZEN SYSTEMS JAPAN CO LTD...
Page 4: ...CHAPTER 1 SPECIFICATIONS CLP 621 CLP 631...
Page 13: ...CHAPTER 2 OPERATING PRINCIPLES CLP 621 CLP 631...
Page 73: ...CHAPTER 3 DISASSEMBLY AND MAINTENANCE CLP 621 CLP 631...
Page 126: ...CLP 621 CLP 631 CHAPTER 4 TROUBLESHOOTING...
Page 138: ...CLP 621 CLP 631 CHAPTER 5 PARTS LISTS...
Page 166: ...Chapter 5 Parts Lists CLP 621 CLP 631 5 29 DRAWING NO 7 Control Panel Unit Rev 0 4 3 2 1 5...
Page 177: ...Chapter 5 Parts Lists CLP 621 CLP 631 5 40 DRAWING NO 10 Accessories Rev 0 3 2 4 1...
Page 179: ...CHAPTER 6 CIRCUIT DIAGRAMS CLP 621 CLP 631...
Page 208: ...APPENDICES CLP 621 CLP 631...
Page 212: ...B Mounting Diagrams AP 5 CLP 621 CLP 631 Main PCB Solder side...
Page 214: ...B Mounting Diagrams AP 7 CLP 621 CLP 631 B 3 Ribbon Main PCB Parts side Solder side...
Page 217: ......