Epson TM-U950 Technical Manual

Rev. A vii
TM-U950/TM-U950P Technical Manual
Sub-assembly Q: Frame-Paper Take-up Assembly...................................................................................................... 5-38
Sub-assembly R: Assembling the motor-paper guide-J assembly (for printers with a MICR reader).................. 5-39
Main Assembly (Part 1) ................................................................................................................................................... 5-40
Adjustments ...................................................................................................................................................................... 5-53
Main Assembly (Part 2) ................................................................................................................................................... 5-59
Whole Unit Assembly .............................................................................................................................................................. 5-65
Sub-assembly A: N.E. Detector-J Assembly and N.E. Detector-R Assembly ........................................................... 5-65
Sub-assembly B: Holder-Switch Circuit Board Assembly .......................................................................................... 5-67
Sub-assembly C: Journal Lock and Cover-Paper Take-up Assembly (Option) ...................................................... 5-68
Sub-assembly D: Cover Paper Take-up ......................................................................................................................... 5-69
Main Assembly ......................................................................................................................................................................... 5-70
Main Assembly 1: Main Circuit Board, P-ROM, and Plate-Main Mounting ........................................................... 5-70
Main Assembly 2: FFC, Power Cable, and Plate-Circuit Board Attachment ........................................................... 5-71
Main Assembly 3: Printer Mechanism Assembly Attachment on Plate-Main ........................................................ 5-72
Main Assembly 4: N.E. Detector-R and -J Assemblies Attachment .......................................................................... 5-73
Main Assembly 5: Printer Mechanism Assembly Attachment on Case-Lower Assembly .................................... 5-75
Main Assembly 6: Case-Upper Assembly Mounting .................................................................................................. 5-76
Main Assembly 7: Cover-Face and Cover-Main Assembly Attachment .................................................................. 5-77
Main Assembly 8: Cover-ROM Attachment ................................................................................................................. 5-78
Adjustments .............................................................................................................................................................................. 5-79
Adjustment G: Adjusting the Paper Roll Near-end Detector Location .................................................................... 5-79
Adjustment H: Detector-Slip Insertion Assembly Threshold Value Adjustment.................................................... 5-81
Adjustment I: MICR mechanism check.......................................................................................................................... 5-83
Chapter 6 Appendix
Electrical Circuit Drawings...................................................................................................................................................... 6-1
Circuit 1.............................................................................................................................................................................. 6-2
Circuit 2.............................................................................................................................................................................. 6-3
Circuit 3.............................................................................................................................................................................. 6-4
Circuit 4.............................................................................................................................................................................. 6-5
Circuit 5.............................................................................................................................................................................. 6-6
Circuit 6.............................................................................................................................................................................. 6-7
Circuit 7.............................................................................................................................................................................. 6-7
Circuit 8.............................................................................................................................................................................. 6-8
Main Unit Circuit Drawing for TM-U950..................................................................................................................... 6-9
Main Unit Circuit Drawing for TM-U950P .................................................................................................................. 6-10
MICR Board (for printers with a MICR reader) (Not available for the TM-U950P) .............................................. 6-11
Parallel Interface Circuit Board Diagram ..................................................................................................................... 6-12
Main Circuit Board Parts Layout for TM-U950 ........................................................................................................... 6-13
Main Circuit Board Parts Layout for TM-U950P......................................................................................................... 6-14
Parallel Interace Circuit Board Parts Layout................................................................................................................ 6-15
Overall Exploded Diagrams........................................................................................................................................... 6-16
Lubrication Points Diagram for Printers Without a MICR Reader (1/3) ................................................................ 6-26
Lubrication Points Diagram for Printers Without a MICR Reader (2/3) ................................................................ 6-27
Lubrication Points Diagram for Printers Without a MICR Reader (3/3) ................................................................ 6-28
Lubrication Points Diagram for Printers With a MICR Reader (1/4) ...................................................................... 6-29
Lubrication Points Diagram for Printers With a MICR Reader (2/4) ...................................................................... 6-30
Lubrication Points Diagram for Printers With a MICR Reader (3/4) ...................................................................... 6-31
Lubrication Points Diagram for Printers With a MICR Reader (4/4) ...................................................................... 6-32
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