72
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MB90705H pin assignment
EEPROM CAT93C56J
EEPROM of serial I/O of SOP, 8 pin, 2k bits.
Main Function
Maintains printer setup data (information including number of print lines, margins, starting
position for printing and lateral alignment). Data is read when power is turned on, and data is
written at setup and when power is turned off.
Summary of Contents for Accel-7350
Page 1: ...1 Accel 7350 Dot Matrix Printer Service Manual Document 130034 ...
Page 24: ...23 Wiring Diagram ...
Page 25: ...24 Control Diagram ...
Page 36: ...35 Extra Dot Printing Improper character ...
Page 37: ...36 Incorrect Printing Irregular print data ...
Page 38: ...37 No LCD Display Half of the LCD lights up ...
Page 39: ...38 No LCD Display Completely blank ...
Page 40: ...39 Control Keys Not Functioning ...
Page 41: ...40 No Buzzer Abnormal Ribbon Feeding Causing abnormal carriage movement ...
Page 42: ...41 No Line Feed or Inconsistent Line Feeding ...
Page 43: ...42 Carriage Error ...
Page 44: ...43 ...
Page 46: ...45 Cover Open Error Will Not Cancel With Cover Closed ...
Page 47: ...46 No Fanfold Paper Reverse Line Feed ...
Page 48: ...47 Printing Does Not Stop After Paper Is Ejected ...
Page 49: ...48 Not Powering Up ...
Page 94: ...93 Indicator Circuit ...
Page 95: ...94 I F Circuit ...
Page 96: ...95 Slide SW Circuit ...
Page 97: ...96 Power Circuit ...
Page 98: ...97 Exploded View 1 6 Following pages require Legal size paper for printing ...
Page 99: ...98 Exploded View 2 6 ...
Page 100: ...99 Exploded View 3 6 ...
Page 101: ...100 Exploded View 4 6 ...
Page 102: ...101 Exploded View 5 6 ...
Page 103: ...102 Exploded View 6 6 ...
Page 119: ...126 ...