5-46
E1-01: Optical unit scan drive
When the lamp unit scanner motor drives to the optics home position
sensor and is not detected within a predetermined time.
Does the lamp unit move when the power
NO
Lamp unit scanner motor connector is shorted
switch is turned ON?
or broken.
CN114 or CN123 (of LVPS PCB) is shorted or
broken.
Lamp mechanism drive mechanism is defective.
YES
CPU PCB is defective.
Is DC5V (output signal) detected on the
NO
Is DC5V signal detected on the CN10-17 of CPU
home position sensor connector?
PCB?
YES: Home position sensor connector is
defective.
YES
NO:
Check all DC5V lines.
Does CN10-19 (output signal of CPU PCB)
NO
Home position sensor is defective.
change when the home position sensor is turned
Home position sensor mounting position is
ON/OFF.
incorrect.
YES
CPU PCB is defective.
E1-20: Lens ratio drive
When the lens stepping motor drives to the lens home position sensor
and is not detected within a predetermined time.
Does the lens unit move when the power
NO
Lens stepping motor connector is
switch is turned ON?
defective.
CN115 or CN123 (of LVPS PCB) is shorted or
broken.
YES
Lens drive mechanism is defective.
Lens stepping motor is defective.
CPU PCB is defective.
Is DC5V (output signal) detected on the
NO
Is DC5V detected on the CN10-18 of CPU
lens position sensor connector CN-1 ?
PCB?
YES: Home position sensor connector is
shorted or broken.
YES
NO:
Check all DC5V lines.
Does CN10-20 output signal of CPU PCB
NO
Home position sensor connector is shorted or
change when the home position sensor is turned
broken.
ON/OFF.
Home position sensor mounting position is
YES
incorrect.
Home position sensor is defective.
CPU PCB is defective.
Summary of Contents for FP-7818
Page 8: ......
Page 236: ...27 Sheet Bypass Tray PM102 8 1 7 5 3 4 6 10 11 4 12 13 9 16 15 18 14 4 17 2...
Page 238: ...28 ADU PM801 16 8 1 4 14 12 10 11 11 13 13 6 7 8 16 9 5 3 2 15...
Page 360: ...1 4 7 10 8 9 5 6 2 3 1 Sorter Mounting Assembly...
Page 362: ...1 2 5 J41 3 6 7 8 4A 4 2 Covers...
Page 370: ...A 4 5 2 6 3 4 7 1 9 9 12 10 13 14 15 16 17 18 19 20 21 22 8 J22 M4 M2 J35 A 6 Drive Block...
Page 379: ...1 2 3 4 5 6 7 10 8 9 1 Sorter...
Page 381: ...1 A 3 4 5 12 13 15 9 10 11 6 7 8 16 2 14 13A J202 J202 J104 2 Covers...