Ricoh G188 Service Manual page 591

SP5-XXX (Mode)
All Indicators On
Lights the LCD and all LEDs on the operation panel to demonstrate that
5001
they are operating properly.
[OFF/ON]
[mm/inch Display Selection]
5024
Display units (mm or inch) for custom paper sizes.
001 0:mm 1:inch
[Accounting Counter]
Selects the counting method.
5045
NOTE: The counting method can be changed only once, regardless of whether
the counter value is negative or positive.
001 Counter Method
[Paper Display]
5047
Turns on or off the printed paper display on the LCD.
001 -
[TonerRefillDetectionDisplay]
5051
Enables or disables the toner refill detection display.
SM Appendix
*CTL
0: mm (Europe/Asia)
*CTL
1: inch (USA)
[0 or 1 / 0 / - ]
*CTL 0: Developments
1: Prints
[0 or 1 / 0 / - ]
*CTL
0: OFF, 1: ON
8-179
Engine Service Mode
G188/G189