Epson TM-U950 Technical Manual

Rev. A Mechanism Configuration and Operating Principles 2-27
TM-U950/U950P Technical Manual
Figure 2-41. Block Diagram of TM-U950 Main Board
Figure 2-41a. Block Diagram of TM-U950P Main Board
Circuit Board Unit
Connected
to host
interface
Connected
to drawer
Connected
to PS-150
CNIF1
CN5
CN6
CN8
CN4
CN3
R
J
Host
interface
circuit
(parallel)
Drawer
kick-out
driving
circuit
Power
circuit
Address bus
Data bus
Operation panel and
cover sensor circuit
Various
sensor
circuit
Various solenoid
driving circuit
Paper feed
motors (R,J)
driving circuit
Auto cutter
driving and
sensor circuit
Carriage motor
circuit
Print head
driving
circuit
Irregular
operation
protection circuit
Power switch
+5V
+24V
CN1
EEPROM
RAM
ROM
CPU
Gate
Array
DIP
switches
Reset
circuit
Switch PCB unitPrinter mechanism assembly
Main Circuit Board Assembly
CONFIDENTIAL

Epson TM-U950 Specifications

General

Print speed	18.6 ips
Character size	1.3 x 3.1 mm
Print technology	Dot matrix
Paper dimensions	210 x 297 mm
Dimensions (WxDxH)	251 x 298 x 194.5 mm
Electromagnetic compatibility	VCCI, FCC, CE
Safety	UL, CSA
Country of origin	China
Mean time between failures (MTBF)	180000 h
Serial interface	Yes
Standard interfaces	RS-232C
Weight (imperial)	12.3 lbs
Pallet width	1200 mm
Pallet height	1000 mm
Pallet length (UK)	2250 mm
Quantity per pallet	24 pc(s)
Quantity per pallet (UK)	36 pc(s)
Quantity per pallet layer	4 pc(s)
Harmonized System (HS) code	84433210
Quantity per pallet layer (UK)	6 pc(s)
Package depth	425 mm
Package width	360 mm
Package height	330 mm
Package weight	7196 g
Quantity per pack	1 pc(s)

Weight and Dimensions

Depth	298 mm
Width	186 mm
Height	195 mm