Citizen CLP-621 Technical Manual

3-5. Disassembly, Reassembly and Lubrication
CLP-621 & CLP-631 3-32
(2) Head SA
1. Remove the Head Unit. Refer to (1) “Head Unit” as above.
2. Remove 1 screw (BH (N), M3x6) and detach the Head SA.
3. Remove 2 Head Bushings, 1 screw (PH, M3x8) and Head Connector Guard from the Head
Bracket.
(The screw (PH, M3x8) is used for alignment purpose and not for mounting.)
1
2
E
PH, M3x8
Bracket, Head
Bushing, Head
Bushing, Head
Guard, Head Connector
SA, Head
E
Label, Part Number
White Label for CLP-621
Yellow Label for CLP-631
BH (N), M3x6
Notes on reassembling:
• When assembling the Head SA, insert its 2 protrusions into the guide holes “E” for aligning
and then fix the Head SA with 1 screw.
• After assembling the Head SA, clean the surface of the thermal elements with the head
cleaner.
• After assembling the Head SA, perform test print in self print mode to check the print quality.
(Refer to 2-3-2-(2-1) “Self print mode”.) If the print quality is not enough, ribbon slanting or
ribbon wrinkle may occur. In this case, perform 3-6-2 “Ribbon Slant Elimination Adjustment”
on page 3-
45.

Citizen CLP-621 Specifications

General

USB port	No
RS-232 interface	Yes
Optional connectivity	Ethernet
USB 1.1 ports quantity	1
USB 2.0 ports quantity	0
Connectivity technology	Wired
Flash memory	2 MB
Certification	UL, C-UL, FCC class A, CCC, CE Marking
Internal memory	8 MB
Number of fonts	2
Built-in barcodes	PDF417, UPC-A, UPC-E
Built-in processor	32 Bit RISC
Mean cycles between failures (MCBF)	1000
Power consumption	2400 mA
Power requirements	100 - 240V, 50 / 60Hz
Compatible operating systems	Windows 2000, XP, Vista
Core diameter	25.4 mm
Ribbon length	360 m
Media thickness	0.0635 - 0.254 mm
Maximum label length	812 m
Maximum roll diameter	127 mm
Supported paper width	19.5 - 118 mm

Weight and Dimensions

Depth	114 mm
Width	91 mm
Height	104 mm