(Ref. to Chapter 7-2) CITIZEN CBM-710/720/730/750 User’s Manual 1. INTRODUCTION The CBM-710, CBM-720, CBM-730 and CBM-750 are dot impact printers which can be utilized for a wide range of applications, such as data communications terminals, ECR terminals and kitchen printers. High speed performance is made possible by a bidirectional printing system and, since these printers are compact, lightweight and equipped with an abundance of functions, they can be easily employed for a variety of differe

WARNING Negligence of the precautions indicated by this symbol may result in death or serious injuries. CAUTION Negligence of the precautions indicated by this symbol may result in injuries or damages to property. This is a symbol mark used to alert your attention to important items. This is a symbol mark used to indicate useful information, such as procedures, instruction or the like. i — vi — WARNING l l Never handle the iDP3240 Printer in the manners descried below; otherwise, it may be damag

(Active “Low”) • Busy: A signal to indicate a busy state of the printer. Input new data when this signal is “Low”. (Active “High”) • nFault: This signal becomes “Low” when alarmed. At this time, all control circuits in the printer are deactivated. (Active “Low”) • PError: A signal to indicate that the paper supply has become low or has run out completely. (Active “High”) • DK_STATUS: This signal becomes “High” when the switch is open, and “Low” when it is closed. Power related signal • +5 V: A 5

3) Feed the paper out of the printer by pressing the LF switch or p ull it out from the paper exit. 4) Install a new paper roll. (Refer to section 6.4 (1) Installing the paper.) 5) When the line switch is pressed again, the printer enters select (on line) status and printing may be resumed once again. 6.5 Self Print Function Your printer has a built in self print function for the purpose of checking print operation without the need for any other external device. Procedures for Actuating the Self

1001001 -) Conform to the following Standards LVD EMC :EN60950 :EN55022 :1992+A1+A2:1993 :1995 Class B :EN50082-1 :IEC801-2 :IEC801-3 :IEC801-4 :1992 :1991 4KV CD, 8KV AD :1984 3V/m, 27MHz-500MHz :1988 0.5KV (Signal Line) 1KV (AC Mains) Supplementary Information “The product complies with the requirements of the Low Voltage Directive 73/23/EEC, 93/68/EEC and the Directive 89/336/EEC, 91/263/EEC, 92/31/EEC, 93/68/EEC” Place: Tokyo, Japan Signature: Date: April, 1997 Full Name: Mikio Moriya Positi

CITIZEN CBM-710/720/730/750 User’s Manual IMPORTANT SAFETY INSTRUCTIONS • Read all of these instructions and save them for future reference. • Follow all warnings and instructions marked on the product. • Unplug this product from the wall outlet before cleaning. Do not use liquid or aerosol cleaners. Use a damp cloth for cleaning. • Do not use this product near water. • Do not place this product on an unstable cart, stand or table. The product may fall, causing serious damage to the product. • S

(4) Data Receiving Control When the BUSY signal is LOW, your printer receives data from the host side, but when this signal is HIGH, it cannot receive data. (5) Buffering Data transfer to the input buffer is controlled by the DTR and TD signals. Please refer to 9.3 b) for the DTR signal and 9.3 f) for the TD signal. 29 CITIZEN CBM-710/720/730/750 User’s Manual (6) Electrical Characteristics a) RS-232C Circuit Input (RD) MAX232 or equivalent Mark = (-8V): Stop bit Space = (-8V): Start bit Output