Citizen Systems 3541, iDP-3540 user manual 27/48

Page 27

iDP-3540/41 User’s Manual

9-3-4. 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.

9-3-5. Buffering

Data transfer to the input buffer is controlled by the DTR and TD signals.

Please refer to 9-3-1 b) for the DTR signal and 9-3-1 f) for the TD signal.

CITIZEN

27/48

Image 27

Contents User’s Manual EMC LVDImportant Safety Instructions Contents Slide Switch Setting Serial interface specifications only Introduction Basic Specifications Specifications Citizen Block Diagram External Appearance and parts Description 12/48 13/48 Preparation IDP-3540/41 User’s Manual Ribbon Cassette Installation 16/48 17/48 Input Buffer Back-up Input Buffer Back-up FunctionParallel Interface Fault DataACK 21/48 22/48 Serial Interface DTR TTL25/48 26/48 27/48 8V Busy TD Mark = -8V +8V Ready Space = +8V Current on Ready External Output Function Selection IDP-3540/41 User’s Manual RS-422A type only Function Print Control Functions FF0CH SO0EHSI0FH CR0DH LF0AHRS1EH 37/48 38/48 39/48 40/48 DEFAULT=20 42/48 Initial Setting General Cautions MaintenanceCharacter Code Tables IDP-3540/41 User’s Manual Individual Country Character Codes External Dimensions IDP-3540/41 User’s Manual Model iDP3541