Service manual

CBM-270 Service Manual
3 CITIZEN
C
CC
CO
OO
ON
NN
NT
TT
TE
EE
EN
NN
NT
TT
TS
SS
S
1. HANDLING AND MAINTENANCE OF PRINTER..........................................................................4
2. SPECIFICATIONS.............................................................................................................................5
2.1 Basic Specifications................................................................................................................................... 5
2.2 Paper Specifications (Recommended Paper)............................................................................................ 6
3. DISASSEMBLY AND REASSEMBLY ...............................................................................................7
3.1 Disassembly Procedure............................................................................................................................. 7
3.2 Reassembly Procedure ............................................................................................................................ 12
4. TROUBLESHOOTING ....................................................................................................................13
4.1 Troubleshooting Procedure..................................................................................................................... 13
4.2 Troubleshooting Guide............................................................................................................................ 13
5. SERVICE PARTS LIST....................................................................................................................19
5.1 Parts List for Mechanism ....................................................................................................................... 19
5.2 Disassemble Drawing.............................................................................................................................. 20
5.2.1 Drawing for Operation Panel Board ..............................................................................................
21
5.3 Parts List for Control Board................................................................................................................... 22
5.4 Parts Layout Drawing............................................................................................................................. 24
5.4.1 Serial Interface (Parts side) ...........................................................................................................
24
5.4.2 Serial Interface (Solder side).......................................................................................................... 25
5.4.3 Parallel Interface (Parts side) ........................................................................................................ 26
5.4.4 Parallel Interface (Solder side)....................................................................................................... 27
6. DRAWING........................................................................................................................................28
6.1 Block Diagram......................................................................................................................................... 28
6.2 Circuit Diagram....................................................................................................................................... 29
6.2.1 Serial Interface (CBM270-RF) .......................................................................................................
29
6.2.2 Parallel Interface (CBM270-PF) .................................................................................................... 30
7. OUTLINE DRAWING......................................................................................................................31