Epson SQ-B50/2550 Technical Manual page 11

CHAPTER 1
GENERAL DESCRIPTION
1.1 FEATURES 1-1
1.2 SPECIFICATIONS 1-3
1.2.1 Hardware Specifications 1-3
1.2.1.1 Printing 1-3
1.2.1.2 Paper Feed 1-4
1.2.1.3 Paper 1-5
1.2.1.4 Ink 1-10
1.2.1.5 Electrical Specifications 1-11
1.2.1.6 Reliability 1·11
1.2.1.7 Environmental Conditions 1-11
1.2.1.8 Dimensions and Weight 1-12
1.2.2 Software Specifications 1-13
1.2.2.1 Control Code Level............................................ 1-13
1.2.2.2 Input Data Buffer Size 1-13
1.2.2.3 Characters 1-13
1.2.2.4 Printing 1-14
1.3 INTERFACE SPECIFICATIONS 1-18
1.3.1 Parallel Interface Specifications 1-18
1.3.2 RS-232C Serial Interface Specifications 1-21
1.4 FUNCTIONS 1-24
1.4.1 Operating Controls 1-24
1.4.1.1 Power Switch 1-24
1.4.1.2 Control Panel 1-24
1.4.1.3 SelecType 1-28
1.4.1.4 Self Test Function 1-31
1.4.1.5 Hexadecimal Dump Function 1-32
1.4.1.6 Printhead Cleaning and Capping 1-33
1.4.1.7 Ink Charge Function 1-34
1.4.1.8 Paper Load/Eject Function 1-35
1.4.1.9 TOF Adjustment Function 1-36
1.4.1.10 Tear Off Function 1-37
1.4.1.11 Reverse Paper Feed Protection 1-38
1.4.2 Reset Function 1-39
1.4.2.1 Initialization Timing and Operation 1-39
1.4.2.2 Default Values 1-40
1-i
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