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User manual Citizen Systems, model CBM-253

Manafacture: Citizen Systems
File size: 4.1 mb
File name: 3b240248-e88c-4547-bcb1-2f36c810ff69.pdf
Language of manual:en
Free link for this manual available at the bottom of the page



manual abstract


4.9 Hexadecimal dumping function Using this function, it is possible to check the contents of data sent from the host unit by convening the data to hexadecimal code. The data transmission with the host unit can be monitored by monitoring the transmission conditions. The following procedure should be used to operate this function: 1. Set the printing paper in the printer. 2. Switch off the power switch. 3. With the printer cover left open, switch the power switch to ON while pressing down the LF switch. By closing the printer cover, the printer will change to the hexadecimal dumping mode. After carrying out the above operation. the printer will wait to receive the data. To exit from this mode, switch off the printer power. 24 CITIZEN CBM-253 User’s Manual 4.10 Paper end detecting function This printer includes functions that automatically detect when the remaining printing paper is running low and stop the printing. The paper end detecting function detects when the paper has run out, and the paper near-end detecting function detects when the remaining printing paper is running low. The switching of the paper near-end detecting function between enabled and disabled is carried out using the command. When this function is set to enabled, the setting of the paper length that is allowed between the occurrence of the detection and the stopping of the printing should be carried out using the dip switches. Note : In a situation in which the paper end is detected while printing on label paper, the data rema ining in the receiving buffer may not be printed at the intended position on the label. 25 CITIZEN CBM-253 User’s Manual 5. INTERFACE SPECIFICATIONS 5.1 Serial interface Specifications (Conform to RS-232C) Synchronizing system : Asynchronous system Handshaking : DTR/DSR control or Xon/Xoff control Baud rates : 1200, 4800, 9600, 19200 (Selected by the user) Data length : 7 or 8 bit length (Selected by the user) Parity : Odd/Even/None (Selected by the user) Signal level : Mark= -3 ~ -15V Logic '1' : Space = +3 ~ +15V Logic '0' Compatible interface connectors Printer side : 25-pin connector 17-13250 (DDK) equivalent product Cable side : 25-pin connector 17-23250 (DDK) equivalent product Connector's pin configuration Connector pin Signal name Input/output Function 1 FG – Frame ground 2 TXD Output Sending data 3 RXD Input Receiving data 6 DSR Input Data set ready 20 DTR Output Data terminal ready 7 SG – Signal ground Note: Shielded type cables should be used. Explanation of input and output signals (1) RxD This is the serial receiving data signal. On the occurrence of framing errors, overrun errors or parity errors, this data will either be rejected or printed as ' ?'. according to the DSW2-7 switch condition. 26 CITIZEN CBM-253 User’s Manual (2) DTR When the DTR/DSR control has been selected, data or commands should be written when this signal is at ready. If writing is carried out while this signal is at BUSY, an overrun error will occur and the data will be ignored. Data can be written into the input buffer even when printing is being carried out. (3) TXD When receiving data while using Xon/Xoff control, an Xoff (13H) 'Data receiving not possible' signal will be output when the remaining space of the input buffer inside the printer becomes less than 10 bytes. When the input buffer remaining space become more than 20 bytes, an Xon (11H) 'Data receiving possible' signal will be output. When sending status information while the DTR/DSR control is selected, confirm that the DSR is at 'space' before sending the data. In the Xon/Xoff control, the data should be sent regardless of the DSR condition. (4) FG This is a frame ground. (5) SG This is the common ground on the circuit board. Receiving control When DTR/DSR control has been selected, data will be received from the host when the DTR signal is at 'space' . Data receiving will not be possible when the DTR signal is at 'mark'. When Xon/Xoff control has been selected, data will be received from the host side after the Xon signal has been sent. However, data receiving will not be possible after the Xoff signal has been sent. 27 CITIZEN CBM-253 User’s Manual 5.2 Parallel interface Specifications (Conform to Centronics) Data transmission format : 8-bit parallel Synchronizing system : According to the strobe pulses Handshaking : According to the BUSY signal Signal level : TTL level Compatible interface connectors Printer side : Ribbon connector 57-40360 (DDK) equivalent product Cable side : Ribbon connector 57-30360 (DDK) equivalent product Connector' s pin configuration Connector pin Signal name Input/output Function l *STB Input Strobe signal 2~9 DATA 1-8 Input Input data 10 *ACK Output Request for next data 11 BUSY Output Processing is taking place 12 PE Output Paper end 13 (See note) +5V Output +5V DC 14-15 N/C 16 GND Ground 17 FG Frame ground 18 N/C 19-30 GND Twisted pair return signals 31 *RESET Input Reset 32 * FAULT Output Error 33 GND Ground 34 COMPULSION ...


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