Ricoh Gestetner 5430 - When x and P light

31 October 2001 FUSE, LED, VR, DIP-SW, AND TP TABLES
4-7
Trouble-
shooting
Ink detection board
No. Function
VR1
Adjusts the ink detection. (
☛5.7.2)
4.3.4 DIP SWITCHES
Ink detection board
No. Normal drum Color drum A4 black drum
SW1 OFF OFF ON
SW2 OFF ON OFF
SW3 OFF OFF OFF
SW4 OFF OFF OFF
4.3.5 TEST POINTS
MPU
No. Function
TP102
Measures the master end sensor voltage. (
☛3.5.4)
PSU
No. Function
TP701
Measures the thermal head voltage. (
☛3.5.3)
TP702