Relief Drum Operation - Olivetti DF-790 Service Manual

(1) Relief drum operation

When more than one copy of A4 size paper are handled using the inner tray, feeding of the first and second
pages of the next job is sustained until the third page is fed in order to retain the time during which paper feed-
ing is progressed.
1. Feedshift guide 1 operates by feedshift
solenoid 1, switches the paper path car-
ried to the feedshift section and first
page of next group is carried to the
relief section.
2. In the same way, second page of next
group is carried to the relief drum.
3. When third page of next group is carried
to the relief drum section, third page is
conveyed to prosessing section with
first and second pages.
At this time, paper conveying path is
switched with the operation of the feed-
shift guide 1.
Service Manual
DF feedshift solenoid 1
Feedshift guide 1
Relief drum
Prosessing
section
Feedshift guide 1
2-1-7
3NB/3ND/3N0/3NK
Figure 2-1-8
Figure 2-1-9
Y113480-7