Sharp AL-1642CS Operation Manual page 11

2
Remove all pieces of tape shown in the illustration below. Then
open the SPF and remove protective materials. After that, take
out the bag containing the TD cartridge.
3
Release the scan head locking switch.
The scan head locking switch is under the document glass.
If the switch is locked (
as shown below.
Grasp here and turn in
the direction of the arrow.
Lock
)
, the unit will not operate. Unlock the switch (
Unlock
2
)
9