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2-1. Operation of Each Mechanism
2-1-6. Head Balance Adjustment Mechanism
The major components of the head balance adjustment mechanism are:
(a) Head balance lever
(c) Head L/R Spring
(b) Head balance cam
The head balance adjustment mechanism is used to eliminate uneven printing density on media.
The head balance adjustment is accomplished by changing the right side head pressure according
to media width to be used. To adjust, the blue media width adjustment dial (Head Balance Cam) is
used. When narrow width media is used, the dial should be set toward “0” to give weaker pressure.
When wide width media is used, it should be set toward “9” to give stronger pressure.
When narrow media is used (need to give weak pressure):
The Head L Spring and Head R Spring act to press the Head SA against the Platen SA. If the
same pressure is given by both springs, since no media exists on the right side of the Head SA,
the Head SA will slant to the right, resulting in uneven printing density. The part “
A
” of the Head
Balance Lever is pushed against the cam part by the Head R Spring and
it moves up step by step
as the media width adjustment dial is turned toward “0”. As it moves up, the Head R Spring is
pressed with weaker force by the Head Balance Lever, and the right side pressure against the
Head SA is decreased, resulting in even printing density. You need to align the dial number
according to the media width to be used. (Smaller number for narrower media)
When wide media is used (need to give strong pressure):
The same principle applies to wide media. However, in this case, the media width adjustment dial
should be turned toward “9”. Then the part “
A
” of the Head Balance Lever moves down to apply
stronger pressure to the Head SA. (Larger number for wider media)
Taward "9"
Spring, Head L
(Fixed)
Spring, Head R
(Movable)
Cam, Head Balance
(Media Width Adjustment
Dial)
SA, Head
Media (Narrow width)
SA, Head
Media (Wide width)
Taward "0"
Weak
Strong
For narrow media
For wide media
SA, Platen
Lever, Head
Balance
A
Ribbon
Ribbon
CLP-621 & CLP-631
2-14
Содержание CLP-621
Страница 1: ...Technical Manual CLP 621 CLP 631 Thermal Transfer Barcode Label Printer JM74961 00F 1 00E 0701...
Страница 2: ...CLP 621 CLP 631 ii Copyright 2007 by CITIZEN SYSTEMS JAPAN CO LTD...
Страница 4: ...CHAPTER 1 SPECIFICATIONS CLP 621 CLP 631...
Страница 13: ...CHAPTER 2 OPERATING PRINCIPLES CLP 621 CLP 631...
Страница 68: ...2 5 Power Supply CLP 621 CLP 631 2 56 N1 N2 N3 N4 BLOCK A BLOCK E BLOCK B BLOCK C BLOCK D 120V type...
Страница 69: ...2 5 Power Supply 2 57 CLP 621 CLP 631 N1 N2 N3 N4 Block A Block B Block C Block E Block D 220 240V type...
Страница 73: ...CHAPTER 3 DISASSEMBLY AND MAINTENANCE CLP 621 CLP 631...
Страница 126: ...CLP 621 CLP 631 CHAPTER 4 TROUBLESHOOTING...
Страница 138: ...CLP 621 CLP 631 CHAPTER 5 PARTS LISTS...
Страница 143: ...Chapter 5 Parts Lists CLP 621 CLP 631 5 6 DRAWING NO 1 General Assembly Rev 0 1 7 8 2 3 4 2 10 11 12 9 5 2 13 14 10...
Страница 163: ...Chapter 5 Parts Lists CLP 621 CLP 631 5 26 DRAWING NO 6 Sensor U Unit Rev 0 4 16 3 2 1 9 10 11 5 8 6 12 7 13 14 15...
Страница 166: ...Chapter 5 Parts Lists CLP 621 CLP 631 5 29 DRAWING NO 7 Control Panel Unit Rev 0 4 3 2 1 5...
Страница 174: ...Chapter 5 Parts Lists CLP 621 CLP 631 5 37 DRAWING NO 9 Ribbon Unit Fan SA2 Rev 0 1 2 4 3 5 6 3...
Страница 177: ...Chapter 5 Parts Lists CLP 621 CLP 631 5 40 DRAWING NO 10 Accessories Rev 0 3 2 4 1...
Страница 179: ...CHAPTER 6 CIRCUIT DIAGRAMS CLP 621 CLP 631...
Страница 208: ...APPENDICES CLP 621 CLP 631...
Страница 211: ...B Mounting Diagrams B Mounting Diagrams B Mounting Diagrams CLP 621 CLP 631 AP 4 AP 4 B 1 Main PCB Main PCB Parts side...
Страница 212: ...B Mounting Diagrams AP 5 CLP 621 CLP 631 Main PCB Solder side...
Страница 213: ...B Mounting Diagrams CLP 621 CLP 631 AP 6 AP 6 B 2 Power Supply PCB 120V 220V B 2 Power Supply PCB 120V 220V...
Страница 214: ...B Mounting Diagrams AP 7 CLP 621 CLP 631 B 3 Ribbon Main PCB Parts side Solder side...
Страница 217: ......