HI Ramesh,

Do u have manual for this cbm 555 printer which includes the timing diagram. THis book is having approx 44 pages of relevent information. This book contains the relevent circuit, driving notes, timing diagram for each of the printer sections such as :

colour change solonoid
main solonoid
dot signal detector etc.

lampex has got this book.
Contact them for this book. If required you can pay them ( BUY IT). It is the collectors copy .


regards,

Venkatesh Kamath