Led Table; Vr Table; Test Pin Table (Main Control Pcb); Test Pin Table (A/D Conversion Pcb) - Ricoh C211 Service Manual

3.2 LED TABLE

No. LED
1 LED101 (MSPD)
2 LED102 (PDLV) 2nd Paper Exit SN When paper is detected, the LED will light.
3 LED103 (ROLL) 1st Paper Exit SN
4 LED104 (MDLV)
5 LED105 (INK)

3.3 VR TABLE

No.
1
2
3
4

3.4 TEST PIN TABLE (Main Control PCB)

No.
1
2
3
4
5
6
7

3.5 TEST PIN TABLE (A/D Conversion PCB)

No.
1
2
3
4
5
C224
Function
Main Motor ON When the main motor turns on, the LED will
lights.
When paper is detected, the LED will light.
Master Eject SN When a master is detected, the LED will
light.
Ink Detection When ink is detected, the LED will light.
NOTE: When the drum release lever is
VR
VR101 (MSPD) Main motor speed adjustment.
VR102 (PDLV) 2nd paper exit sensor adjustment.
VR103 (ROLL) 1st paper exit sensor adjustment.
VR104 (MDLV) Master eject sensor adjustment.
Test Pin
TP101 (DPLS) Drum rotation sensor output.
TP102 (PDLV) 2nd drum position sensor output.
TP103 (ROLL) 1st drum position sensor output.
TP104 (MDLV) Master eject sensor output.
TP105 (INK) Ink detction signal.
TP106 (GND) GND.
TP107 (GND) GND.
Test Pin
TP600 GND.
TP601 Shift signal output (SH).
TP602 CCD output (OS).
TP603 Inverted and amplified CCD output.
TP604 Black level standard voltage output.
4-8
Remarks
raised, the drum connector is
disconnected and the LED will turn
off.
Function
Function
Function
SM