DOT IMPACT PRINTER MECHANISMS
DP-654/654

Classification to Dot Impact Printer Mechanism

Classification by "Paper roll width"

58mm 69mm 76mm 38mm+38mm 45mm+45mm

Classification by "Printing color "

Single color (Black) Two colors (Red & Black)

Friction feed or Sprocket feed

Friction feed Sprocket feed

2 Stations

38mm + 38mm 45mm + 45mm

DP-654/657

Paper roll

76mm
(F type)

Sprocket

76~89mm
(P type)

Model	DP-654	DP-657
Printing method	Serial impact dot matrix
Printing direction	Bi-directional
Printing speed	3.6LPS±10%	3.0LPS±10%
Number of columns	40 columns, 360 dots/line	40 columns, 400 dots/line
Font	7 × 7 or 7 × 9(half-dot)
Character size(W × H)	1.36 × 2.4mm	1.2 × 2.4mm
Line spacing	1/6 inch	1/9 inch(DR617DFG)
Motor	Voltage: 24V +1 -2 V DC / Peak current: Approx. 1.5A / Average less than 0.3A
Reset pulse sensor	Mechanical leaf switch
Dot pulse sensor	Photo interrupter
Home position sensor	Photo interrupter
Printing solenoid	Voltage: 24V±1V DC / Resistance: 17Ω(24V DC, 25°C)
Paper feeding solenoid	Voltage: 24V +1 -2 DC Resistance: 33Ω±10%
Connector terminals	Connector 1(S16B-PH-K-S(16P): Counterpart PHR-16(16P)manufactured by JST) Connector 2(S10B-PH-K-SC(8P): Counterpart PHR-10(8P)manufactured by JST)
Connecting method	Pin connector
Paper feeding	Friction feeding or sprocket feeding
Ink ribbon cartridge	Two colors (Red and Black ), Single color (Black)
Paper feeding speed	18 lines/sec.
Printing paper	Receipt and journal 37~38mm, Outer dia Max. φ83mm
External dimensions (W × D × H)	137 × 138 × 63.5mm
Weight	Approx. 690g
Operating temp. range	0~50°C
Storage temp. range	-25~70°C
Reliability	Mechanism: MCBF 4.0 million lines / Head: 80 million characters

DP-654 (1) D (2) F (3) C (4) V (5)	(1) Type	654: 40 columns(360dots) 657: 40 columns(400dots)
	(2) Ribbon	D: 2 color M: 1 color
	(3) Paper feeding method	F: Friction feeding P: Sprocket feeding
	(4) Paper path	C: Character only G: Graphic
	(5) Paper pressure	None: No validation V: Equipped