Rice Lake Okidata 320-390-420 Turbo - Service Guide - Manual (Page 3)

Table of Contents Page
....3.3.15 Control/Power Supply Board (SDCT) 39
....3.3.16 Transformer Assy 40
....3.3.17 Change Lever and Gears 41
....3.3.18 Carriage Shaft 42
....3.3.19 Paper Pan 43
....3.3.20 Rear Tractor Assy 44
....3.3.21 Rear Pressure Assy 45
....3.3.22 Switch Lever 46
4 Adjustments
4. ADJUSTMENT 47
5 Periodical Maintenance
5.1 Cleaning 48
5.2 Lubrication 49
6 Troubleshooting
6.1 Items to Check Before Repair 50
6.2 Troubleshooting Table 51
6.3 Lamp Display 52
6.4 Connection Circuit Check for Printhead and SP/LF Motor 53
6.5 Troubleshooting Flow Chart 54
A Centronics Parallel Interface
A. PCB LAYOUT 55
B Parts Listing
Parts Listing 56
Figure 11-1 Upper Cover Assy 57
Figure 11-2 Printer General Assy 58
Figure 11-3 Printer Unit 59
Figure 11-4 Carriage Assy 60
Figure 11-5 Option Spare Parts 61
C Software Diagnostics and Adjustments
RS-232C SERIAL INTERFACE BOARD 62
2. OPERATION DESCRIPTION 63
....2.2.1 Operation at power on 64
....2.2.2. RS-232C interface 65
2.3 Communication Procedure Flowchart 66
3. TROUBLESHOOTING FLOWCHART 67
3.3 Local Test 68