Service manual

AL-2030/2040CS/2050CS ELECTRICAL SECTION 12 - 10
/LDEN Laser Laser circuit control signal LSU
SHOLD Laser Laser APC signal LSU
/SYNC Laser Horizontal sync signal from the LSU LSU
/VIDEO Laser Laser drive signal LSU
PD1 PD SW sensor 1st CS paper width sensor Not used
/MMCLK Main motor Clock signal to the polygon motor Main drive section
/MMD Main motor Polygon motor drive signal Main drive section
MMLD Main motor Polygon motor ON/OFF detection signal Main drive section
TMA_O Toner motor Toner motor phase control Toner motor drive section
TMB_O Toner motor Toner motor phase control Toner motor drive section
CED1 Machine cassette detection Paper transport section
/CPFS1 1st CS pickup solenoid Paper transport section
LEDPPD1 PPD sensor power Paper transport section
PPD1 PPD sensor Paper transport detection Paper transport section
/RRS 1st transport solenoid Paper transport section
BZR Buzzer signal Buzzer Operation section
DRST Drum reset detection CRU initial detection Operation section
KEYIN Key scan input Key detection control Operation section
KEYIN1# Key scan input Key detection control Operation section
KEYIN2# Key scan input Key detection control Operation section
KEYSC1 Key scan output Key scan output Operation section
KEYSC2 Key scan output Key scan output Operation section
KEYSC3 Key scan output Key scan output Operation section
LCDCON LCD control signal Signal for LCD Operation section
LCDDB4 LCD data signal Signal for LCD Operation section
LCDDB5 LCD data signal Signal for LCD Operation section
LCDDB6 LCD data signal Signal for LCD Operation section
LCDDB7 LCD data signal Signal for LCD Operation section
LCDE LCD control signal Signal for LCD Operation section
LCDRS LCD control signal Signal for LCD Operation section
ONL Online LED Operation section
OP-CLK LED driver control Operation section
OP-DATA LED driver control Operation section
OP-LATCH LED driver control Operation section
PSL Power save LED Operation section
PSW Start button control Operation section
SELIN1 Select signal 1 HC151 select signal Operation section
SELIN2 Select signal 2 HC151 select signal Operation section
SELIN3 Select signal 3 HC151 select signal Operation section
STROBE LED driver control Operation section
OUTA+ Scanner motor Scanner motor phase control Optical drive section
OUTA- Scanner motor Scanner motor phase control Optical drive section
OUTB+ Scanner motor Scanner motor phase control Optical drive section
OUTB- Scanner motor Scanner motor phase control Optical drive section
(ADCLK) AFE AFE control signal Scanner unit section
(AFE_DB0) AFE Image scan data Scanner unit section
(AFE_DB1) AFE Image scan data Scanner unit section
(AFE_DB2) AFE Image scan data Scanner unit section
(AFE_DB3) AFE Image scan data Scanner unit section
(AFE_DB4) AFE Image scan data Scanner unit section
(AFE_DB5) AFE Image scan data Scanner unit section
(AFE_DB6) AFE Image scan data Scanner unit section
(AFE_DB7) AFE Image scan data Scanner unit section
(AFE_SCK) AFE AFE control signal Scanner unit section
(AFE_SDI) AFE AFE serial data Scanner unit section
(AFE_SEN) AFE AFE control signal Scanner unit section
(BSAMP) AFE AFE control signal Scanner unit section
(VSAMP) AFE AFE control signal Scanner unit section
CCD-CP CCD CCD control signal Scanner unit section
CCD-RS CCD CCD control signal Scanner unit section
CCD-TG CCD CCD control signal Scanner unit section
CCD_PHI1 CCD CCD control signal Scanner unit section
CCD_PHI2 CCD CCD control signal Scanner unit section
VCL Copy lamp Copy lamp control Scanner unit section
Signal name Name Function/Operation Section