
7–58
SERVICE MODE
8. Checking the Control Panel Indications
CANCEL
+
OK
*4* FUNCTION 08 – > ( )
LCD-CHK
(OK : START)
SCANLANP (OK : START)
DISP-LED
(OK : START)
–
JUMP
Item
LCD-CHK
• checking for missing dots on
LCD
SCAN_LAMP
• checking activation of scan-
ning lamp
DISP-LED
• checking control panel LEDs
Description
1) Press ‘LCD-CHK’ to highlight.
2) Press the OK key.
• The entire face of the LCD reverses (white video;
keys and notations disappear).
3) Press the area where the OK key was shown.
• The entire face of the LCD reverses (black video).
4) Press the area where the OK key was shown.
• The LCD will return to normal state.
1) Press ‘SCAN_LAM’ to highlight.
2) Press the OK key.
• The scanning lamp will turn on.
3) Press the OK key.
• The scanning lamp will turn off.
1) Press ‘DISP-ED’ to highlight.
2) Press the OK key.
• The LEDs on the control panel will turn on.
3) Press the OK key.
• The LEDs on the control panel will turn off.
Reference
page
Summary of Contents for GP215
Page 4: ......
Page 36: ......
Page 38: ...3 2 TROUBLESHOOTING IMAGE PROBLEMS ...
Page 39: ...3 3 TROUBLESHOOTING IMAGE PROBLEMS ...
Page 40: ...3 4 B Image Fault Samples ...
Page 80: ......
Page 92: ...6 6 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS C Fans Figure 6 603 FM6 FM5 FM2 FM3 FM1 FM4 ...
Page 105: ...6 19 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS 3 Composite Power Supply PCB Figure 6 610 ...
Page 204: ...C GENERAL CIRCUIT DIAGRAM General Circuit Diagram 1 4 A 3 ...
Page 205: ...General Circuit Diagram 2 4 A 4 ...
Page 206: ...General Circuit Diagram 3 4 A 5 ...
Page 207: ...General Circuit Diagram 4 4 A 6 ...