| CONTENTS |    | 
1.  | HANDLING AND MAINTENANCE OF PRINTER  | 4  | 
2.  | SPECIFICATIONS  | 4  | 
   | 2-1 Basic Specification.…………………………………….…………………………………………………4  | 
3.  | DISASSEMBLY AND REASSEMBLY  | 5  | 
   | 3-1 Disassembly Procedure  | 5  | 
   | 3-2 Reassembly Procedure  | 7  | 
4.  | TROUBLESHOOTING  | 8  | 
   | 4-1 Trouble Shooting Procedure……………………………………………………………………..………8  | 
   | 4-2 Trouble Shooting Guide……..…………………………………………………………………….……..9  | 
5.  | SERVICE PARTS LIST  | 10  | 
   | 5-1 Parts List for Mechanism  | 10  | 
   | 5-2 Disassembly Drawing  | 11  | 
   | 5-3 Parts List for Control Board  | 12  | 
   | 5-4 Parts Layout Drawing  | 14  | 
   | 5-4-1 Main PCB Assy for CBM-920-PF(Parallel Interface)  | 14  | 
   | 5-4-2 Main PCB Assy for CBM-920-RF(Serial Interface)………….……………………………...15  | 
   | 5-4-3 Drawing for Jumper Lead……………………………………………………………………….16  | 
6.  | DRAWINGS  | 17  | 
   | 6-1 Circuit  | 18  | 
   | 6-1-1 Block Diagram  | 18  | 
   | 6-1-2 Coverall Wiring Diagram……………………………..………….……………………………...19  | 
   | 6-2 Circuit Diagram  | 20  | 
   | 6-2-1 CBM-920-PF(Parallel Interface)  | 20  | 
   | 6-2-2 CBM-920-RF(Serial Interface)  | 21  |