Motors And Sensors - Konica Minolta DRYPRO SIGMA Service Manual

Item
Important
During normal operation, jumpers should be off so that LEDs and optical sensors do not fog film.
JP1 Force sensors on
JP2 Enable LEDs
JP3 Enables Armed and Exposed
LEDs
SW1 Service switch
PB1 Reset
* Indicates that LED is always off during normal operation. Jumpers on JP1, JP2, and JP3 are used to force the
sensor/LED condition for troubleshooting.

Motors and Sensors

Description
M3x – Pickup drive motor
S3 – Pickup home sensor
S4 – Film contact sensor (also
used for Film out detect)
S2 – Rollback home sensor
Rollback motor
Feed roller nip open/close motor
Feed roller nip drive motor
Vacuum pump
S5 – Feed roller home sensor
S1 – Cartridge detect sensor
S6 – Start-of-page (SOP) sensor
Exposure transport motor
Polygon spinner motor
Film processor motor (continuous) N/A
S7 – Densitometer film sensor
9G9002 – 2011-08-15
Function
Performs hard reset of board when pressed (same as a power
cycle)
Home/Default
Home = Up
Blocked = Pickup home
Blocked = Pickup not contacting film
Blocked = Rollback home
Home = Cartridge closed
Home = Feed roller open
Off
Off
Blocked = Feed roller up
Blocked = Cartridge not present
No film detected
Off
Lock signal low = Spinner up to speed Lock signal high = Spinner not up to
Unblocked = No film at sensor
• Jumper off = normal operation
• Jumper on = troubleshooting
• Norm = normal operation
• Serv = Service Mode
Limit = Cassette bottom
Unblocked = Pickup not home
Unblocked = Pickup contacting film
Unblocked = Rollback not home
Limit = Cartridge open
Limit = Feed roller closed
On
On
Unblocked = Feed roller down
Unblocked = Cartridge present
Film detected
On
speed
N/A
Blocked = Film at sensor
Status
Limit/Sensed Position
Diagnostics
4-81