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Casio UP-250 Technical Manual

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Casio UP-250 external printer service Manual
Casio UP-250 external printer service Manual
TECHNICAL MANUAL
(without price)
EXTERNAL PRINTER
MODEL UP-250
FEB. 2000
INDEX

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  Summary of Contents for Casio UP-250

  • Page 1 Casio UP-250 external printer service Manual Casio UP-250 external printer service Manual TECHNICAL MANUAL (without price) EXTERNAL PRINTER MODEL UP-250 FEB. 2000 INDEX...
  • Page 2 INFORMATION OR ANY OTHER INFORMATION IN THE DOCUMENT, INCLUDING (WITHOUT LIMITATION) ANY WARRANTY OF TITLE OR NON-INFRINGEMENT. CASIO has no liability for loss or damage arising from or relating to your use of or reliance on the information on the document.
  • Page 3: Fcc Class A

    FCC CLASS A FCC Compliance Statement For American Users This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
  • Page 4 Introduction PU-250 Series (Type B) printers are one-station printers for ECR and POS use that can print the results of weighing or measuring. The main features of the PU-250 Series (Type B) printers are the following: High-speed printing through logic-seeking control Excellent reliability and long life resulting from the use of two stepping motors, one for moving the carriage and one for paper feeding Flexible paper feed setting permits printing in accordance with any user-defined format...
  • Page 5 CONTENTS Chapter 1 Features and General Specifications ............1 Features .......................... 2 Printing Specifications ......................2 Character Specifications ..................... 3 Paper ..........................4 Auto-cutter .......................... 5 Paper Roll Supply Device ....................5 Receive Buffer ........................5 Electrical Specifications ...................... 5 Ribbon Cassette .........................
  • Page 6 Chapter 2 Mechanism Configuration and Operating Principles ......26 Printer Mechanism Operating Principles ..............26 Print mechanism unit ......................27 Print head unit movement ....................28 Wire movement when a single dot is printed ..............28 Printing a character (9x9 font) ..................29 Paper Feed Mechanism Unit ....................
  • Page 7 Lubricants ........................66 Standard Lubrication ......................66 Lubricants ......................... 66 Lubrication Points ......................67 Tool List ........................67 Chapter 4 Troubleshooting ..................68 Self-test ......................... 68 Initiating the Self-test ......................68 Self-test Standby ......................68 Ending the Self-test ......................68 Troubleshooting Flowchart ..................
  • Page 8 Main Assembly 10 ...................... 106 Sensor assembly ......................106 Main Assembly 11 ...................... 108 Carriage motor heat sink assembly ................108 Main Assembly 12 ...................... 108 Print head FPC assembly ....................108 Main Assembly 13 ...................... 110 Print head unit ........................ 110 Main assembly 14.......................
  • Page 9 Appendix ........................135 RS-485 Serial Interface ....................135 Main Circuit Board Parts Layout ................140 RS-232 Serial Interface Circuit Board Parts Layout ..........141 IEEE 1284 Parallel Interface Circuit Board Parts Layout ........142 RS-485 Serial Interface Circuit Board Parts Layout ..........143 Main Circuit Board Diagram ..................
  • Page 10 Click here to download the full manual at THE-CHECKOUT-TECH.COM...