Sharp AL-1600 Service Manual page 40

AL-1610
Main Sub
Contents
code code
50 13 OC mode document off
center adjustment
16 SPF mode document off
center adjustment
51 2 Resist amount adjustment
63 1 Shading data check
64 1 Self printing mode
69 1 Program download mode
Details of operation
After completion of warmup, shading is performed and the currently set
off center adjustment value for the document in OC reading is displayed.
For the adjustment procedure, refer to the previous descriptions.
Key operation
Off center adjustment value: Copy quantity key
After completion of warmup, shading is performed and the currently set
off center adjustment value for the document in SPF reading is dis-
played. For the adjustment procedure, refer to the previous descriptions.
Key operation
Off center adjustment value: Copy quantity key
After completion of warmup, shading is performed and the currently set
resist amount adjustment value is displayed.
Key operation
Resist amount adjustment: Copy quantity key
The copy lamp is shifted to the shading position and it is lighted with the
reference voltage at AD conversion fixed (Vref– = 0.5V, Vref+ = 4.5V).
This state is kept for 10 sec, and the level of one pixel at the center is
displayed for each second.
Display section: Shading data
Disregards the optical system and performs selef printing in 1 by 2 mode.
Key operation
Copy quantity setting: Copy quantity key
When entering this mode, the machine in the download mode and ac-
cepts no key entry.
When the power is turned off, the download mode is cleared.
8 – 10
Display
Initial
Set range
value