User manual CITIZEN IDP-460

[. . . ] DOT MATRIX PRINTER MODEL iDP-460 iDP-460 User's Manual Declaration of Conformity This printer conforms to the following Standards: Low Voltage Directive 73/23/EEC, 93/68/EEC and the EMC Directive 89/336/EEC, 92/31/EEC, 93/68/EEC. LVD : EN60950 EMC : EN55022 Class A EN61000-3-2 EN61000-3-3 EN55024 This declaration is applied only for 230V model. WARNING This is a Class A products. In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures. CITIZEN is a registered trade mark of CITIZEN WATCH CO. , LTD. , Japan CITIZEN es una marca registrada de CITIZEN WATCH CO. , LTD. , Japón CITIZEN iDP-460 User's Manual IMPORTANT SAFETY INSTRUCTIONS · · · · · · Read all of these instructions and save them for future reference. Slots and openings on the back or bottom of the case are provided for ventilation. To ensure reliable operation of the product and to protect it from overheating, do not block or cover these openings. [. . . ] 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 Signal Name TWISTED PAIR GND FAULT 16 CITIZEN iDP-460 User's Manual 6. 3 Input and Output Signals 6. 3. 1 Input and Output Signals (1) Input signals to the printer · DATA · STB · ACK · BUSY · FAULT : An 8-bit parallel signal. (Negative logic) (2) Output signals from the printer : An 8-bit data request signal. signal. (Negative logic) : A signal to indicate the BUSY status of the printer. "LOW. "(Positive logic) : A signal turned to "LOW" when the printer has an alarm. control circuits in the printer stop. (Negative logic) · HI-LEVEL : Connected to VCC via a 3. 3k resistor. (3) Power related signal · GND : Common ground on the circuits At this time, all the Input new data when at A pulse signal output at the end of the BUSY 17 CITIZEN iDP-460 User's Manual 6. 3. 2 Electrical Characteristics (1) Input signal level All the input signals are at the TTL level. "HIGH" level "LOW" level : 2. 0 V at minimum : 0. 8 V at maximum (2) Output signal level All the output signals are at the TTL level. "HIGH" level "LOW" level : 2. 4 V at minimum : 0. 4 V at maximum (3) Input and output conditions All the input signals are pulled up at 3. 3 k. [Printer Side] [Host Side] All the output signals are pulled up at 3. 3k. [Printer Side] [Host Side] 18 CITIZEN iDP-460 User's Manual 6. 3. 3 Timing Chart (1) Data input and printing timing T1, T2, T3 T4 T5 T6 : 0. 5 µs MIN : 270 ns MAX : 2. 3 µs TYP : 500 ms MIN (At power-on) 6. 3. 4 Data Receiving Control When the BUSY signal is at "LOW, " the printer can receive the data from the host, but when at "HIGH, " it cannot. 19 CITIZEN iDP-460 User's Manual 7. SERIAL INTERFACE 7. 1 Specifications (1) Synchronous system: Asynchronous (2) Baud rate: 150, 300, 600, 1, 200, 2, 400, 4, 800, 9, 600, or 19, 200 bps (User selectable) (3) Configuration of one word · Start bit · Data bits · Parity bit · Stop bit (4) Signal polarity RS-232C · Mark · Space = Logic "1" (-3 V to -12 V) = Logic "0" (+3 V to +12 V) : 1 bit : 7 or 8 bits (User selectable) : Odd, even, or none (User selectable) : 1 bit or more (5) Received data (RD signal) RS-232C · Mark · Space =1 =0 (6) Reception control (DTR signal) RS-232C · Mark · Space : Data transfer disabled : Data transfer enabled (7) Transmission control (TD signal) · Status transmission P-250 P-900R = = Transmits "A"(41h) Transmits "H"(48h) · Printer state transmission Transmits the data indicating the 1-byte state. PRINT CONTROL FUNCTIONS) 20 CITIZEN iDP-460 User's Manual 7. 2 Connector's Pin Configuration D-Sub Connector No. Shell 7 5 3 6 4 Signal I/O Function Frame Ground Signal GND Received Data Printer BUSY signal Transmitted Data Data Set Ready Mini DIN Connector FG -GND -RD Input DTR Output TD Output DSR Input D-Sub Connector Cautions: 1. When the data is not being transferred, the received data should be always maintained as a mark. Applicable connectors (D-Sub connectors) · Printer side : 17LE-13250 (Equivalent to DDK) · Cable side : 17JE-23250 (Equivalent to DDK) Mini DIN connector · Host side : 8-pin DIN connector Mini DIN-DIN cable (Provided only for V interface model) 21 CITIZEN iDP-460 User's Manual 7. 3 Input and Output Signals 7. 3. 1 Input and Output Signals (1) RD This is a serial received data signal. When a framing error, overrun error, or parity error occurs, that (Depends on DIP switch selection. ) The ERROR lamp is (2) DTR When this signal is Ready, write the data or a command. If written at the time of Busy, an overrun The data can be written in the input buffer even during Busy is also issued at the time of power -on, test print, on-line, and reset. (3) TD When a command is received, that requests the printer state and printer status, 1-byte corresponding data is output. (4) DSR When this signal is a space, the data is sent from the printer side. Note that if this signal is a mark when a request to send command is executed, the printer will wait until the signal becomes a space. (5) FG This is a Frame Ground signal. (5) GND This is a common ground on the circuit. 22 CITIZEN iDP-460 User's Manual 7. 3. 2 Data Configuration t Mark b0, b1, b2, . . . . . . . . Space (1) (2) (3) (1) Start Bit (2) Data Bit (+ Parity Bit) (3) Stop Bit (1 or More) (1) Start bit After a lapse of 1/2 bit from a mark-to-space fall edge, the state is read again, and if it is a space, it is recognized as the start bit. If it is a mark, it is assumed neither the start bit nor an error, and it is attempted to detect the start bit again. (2) Data bit + parity bit The data bit and parity bit are sampled for 1 bit worth of time from the 1/2 start bit. The then state is A sequence of the bits are named Bit 0, Bit 1, . . . , parity (3) Stop bit The stop bit is a mark level of 1 bit or more. If a space is detected in detecting the stop bit, a framing 23 CITIZEN iDP-460 User's Manual 7. 3. 3 Error Detection A parity error, framing error, and overrun error are detected. When an error is detected, that data is either The ERROR lamp is stored in the buffer as "?" or discarded. [. . . ] · Beim Einführen des Druckpapiers darauf achten, daß das Papierende nicht zerknittert oder geknickt ist. 3. Den Papierhalter öffnen und die Druckpapierrolle in der Mitte aufsetzen. Das Papierende gerade in die Papiereinzugöffnung einführen (durch einen Pfeil an der Gehäusevorderseite angezeigt). Das Druckpapier wird automatisch in den Drucker eingezogen, bis das Papierende aus der Papierauslauföffnung herauskommt. [. . . ]