Service manual

SERVICE MANUAL
iii
Figure Title Page
Fig. 3.16 Printer Check #2 (in progress) Display................................................................ 3-29
Fig. 3.17 Sample Test Pattern 2........................................................................................ 3-30
Fig. 3.18 Dot Patterns for Print Test #2 (Patterns 1 to 4) ................................................... 3-31
Fig. 3.19 Dot Patterns for Print Test #2 (Patterns 5 and 6) ................................................ 3-32
Fig. 3.20 Keyboard Test #1 Display................................................................................... 3-33
Fig. 3.21 Keyboard Test Key Locations ............................................................................. 3-33
Fig. 3.22 FDD Test (in progress) Display........................................................................... 3-36
Fig. 3.23 Special FDD Test Display 1 ................................................................................ 3-37
Fig. 3.24 Special FDD Test Display 2 ................................................................................ 3-38
Fig. 3.25 Special FDD Test (in progress) Display .............................................................. 3-38
Fig. 3.26 Special FDD Test Display 1................................................................................ 3-41
Fig. 3.27 FDD Write Error Rate Check Display.................................................................. 3-42
Fig. 3.28 FDD Read Error Rate Check Display.................................................................. 3-44
Fig. 3.29 PE Sensor Test Start Display 1 .......................................................................... 3-46
Fig. 3.30 PE Sensor Test Start Display 2 .......................................................................... 3-46
Fig. 3.31 CR Test Start Display 1 ...................................................................................... 3-47
Fig. 3.32 Self-Test Menu (DISK TYPE Setting) ................................................................. 3-48
Fig. 3.33 RS232C Echo-Back Test Start Display ............................................................... 3-49
Fig. 4.1 Cover Assemblies................................................................................................. 4-1
Fig. 4.2 Removing the Sub Paper Support and Paper Support .......................................... 4-3
Fig. 4.3 Removing the Top Cover...................................................................................... 4-4
Fig. 4.4 Removing the Upper Cover................................................................................... 4-5
Fig. 4.5 Removing the Core............................................................................................... 4-8
Fig. 4.6 Removing the LCD Unit ........................................................................................ 4-9
Fig. 4.7 Removing the LCD Lower Cover......................................................................... 4-10
Fig. 4.8 Removing the LCD PCB (1)................................................................................ 4-12
Fig. 4.9 Removing the LCD PCB (2)................................................................................ 4-13
Fig. 4.10 Removing the LCD PCB (3)................................................................................ 4-14
Fig. 4.11 Removing the LCD PCB (4)................................................................................ 4-15
Fig. 4.12 Removing the LCD PCB (5)................................................................................ 4-16
Fig. 4.13 Removing LCD Latch and LCD Plate.................................................................. 4-17
Fig. 4.14 Installing LCD Latch............................................................................................ 4-19