Specifications

AL-1551 ELECTRICAL SECTION 12-8
174 SP OUT CCD PWB CCD drive signal sampling hold pulse
175 GND Power
176 CP OUT CCD PWB A/D conversion IC latch clock
177 BCLK OUT CCD PWB CCD shield output latch signal
178 IDIN0 IN CCD PWB
(AD conversion)
Image scan data (after 8bit A/D conversion)
179 IDIN1 IN CCD PWB
(AD conversion)
Image scan data (after 8bit A/D conversion)
180 IDIN2 IN CCD PWB
(AD conversion)
Image scan data (after 8bit A/D conversion)
181 IDIN3 IN CCD PWB
(AD conversion)
Image scan data (after 8bit A/D conversion)
182 IDIN4 IN CCD PWB
(AD conversion)
Image scan data (after 8bit A/D conversion)
183 IDIN5 IN CCD PWB
(AD conversion)
Image scan data (after 8bit A/D conversion)
184 IDIN6 IN CCD PWB
(AD conversion)
Image scan data (after 8bit A/D conversion)
185 5V Power
186 IDIN7 IN CCD PWB
(AD conversion)
Image scan data (after 8bit A/D conversion)
187 /SDCLK OUT CHECK Effective image area signal
188 GND Power
189 SFCLK IN Transmitter CCD drive clock (48MHz), Also used as an internal clock.
190 TEST port 0 IN AUTO SCAN TEST High: Normal Low: Test
191 /SYNC IN LSU Horizontal synchronization signal (HSYNC) from LSU
192 /LD OUT LSU Laser drive signal
193 /LEND OUT LSU Laser APC signal
194 USB-EN OUT
GDI/USB PWB USB port enable signal
195 1284-EN OUT
GDI/USB PWB 1284 port enable signal
196 PORTOUT26 OUT (Not used)
197 3.3V Power
198 PORTOUT25 OUT (Not used)
199 PORTOUT24 OUT (Not used)
200 GND Power
201 SGS OUT
Tr array IC SPF gate solenoid
202 SRRC OUT
Tr array IC SPF resist roller solenoid
203 SPUS OUT
Tr array IC SPF PU solenoid
204 /READY OUT
Reserved
205 OP-LATCH OUT Tr array IC Latch signal for operation circuit. Data latch at LOW.
206 MRPS2 OUT Tr array IC Mirror speed control signal. Mirror speed 2 at LOW.
207 MRPS1 OUT Tr array IC Mirror speed control signal. Mirror speed 1 at LOW.
208 SPFS OUT
Tr array IC SPF paper feed solenoid
209 SMSEL OUT
Tr array IC SPF motor/Mirror motor select signal
210 3.3V Power
211 TC OUT Tr array IC Transfer charger control signal. ON at HIGH.
212 GRIDL OUT Tr array IC Main charger grid control signal. ON at HIGH.
213 GND Power
214 MC OUT Tr array IC Main charger control signal. ON at HIGH.
215 BIASL OUT Tr array IC DV bias voltage control signal. ON at HIGH.
216 BIASH OUT Tr array IC DV bias voltage control signal. ON at HIGH.
217 BIAS OUT Tr array IC DV bias output control signal. ON at HIGH.
218 CL OUT Tr array IC Copy lamp control signal. ON at HIGH.
219 VFMCNT OUT Tr array IC Ventilation fan rotating speed control signal. Low speed at HIGH, high
speed at LOW.
220 VFM OUT Tr array IC Ventilation fan control signal. Fan ON at HIGH.
221 LDEN OUT Tr array IC Laser circuit control signal. Laser circuit ON at HIGH.
222 PMD OUT Tr array IC Polygon motor control signal. Polygon motor ON at HIGH.
223 5V Power
224 MM OUT Tr array IC Main motor control signal. Main motor ON at HIGH.
225 MPFS OUT Tr array IC Manual paper feed solenoid control signal. Multi paper feed ON at HIGH.
PIN No. Signal name IN/OUT Connected to Description