AR-PB2 (serv.man4). ARPB2 Service Manual - Sharp Copying Equipment Service Manual (repair manual). Page 54

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9. ERDH Operation
A. Hard Disk Capacity and Operation
Output behavior when Document page is longer than HD limitation.
(HD limitation for printer ;  60pages)
Face Up
Face Down(Option)
N=1
N>1
(1) 1 set output mode
(1) 1 set output mode
(2) N set output mode
(2) N set output mode
User can select the Long Document mode by Key Operator Program.
Notice Page;
ON/OFF
Output mode;
1 set /N set
Offset...The offset function at the output device is available.
Notice Page
1
1 set
1
60
61
120
Separater 
sheet and
Offset
60
1
1 set
 120
 61
60
1
1
1 set
1
60
61
120
Separater 
sheet and
Offset
Notice Page
1 set
 120
 61
60
1
Notice Page
N set
 61
•20
1
60
 61
•20
1
60
Notice Page
Separater 
sheet and
Offset
N set
Notice Page
Separater 
sheet and
Offset
 120
 61
60
1
 120
 61
60
1
10. Printing Modes
Basic Printing Modes
The printer controller and copier / ERDH supports the following two
printing modes.
Mode-A (concurrently operates the printing operation
and storing of print data into ERDH)
This mode is intended to accelerate the first print time in the device
configuration in which Face-down delivery is supported. In the first set
of a print job, copier/ ERDH prints the first set while receiving print
data from the printer controller and storing it into itself. From the
second set on, printing is performed by reading stored data from the
ERDH. In addition, in the Face-down delivery, Mode-A is operated by
ERDH Reverse order being OFF. Typically, in this case, the Reverse
Order printing is selected in the application.
Mode-B (starts printing after copier/ ERDH has received
an entire print job)
With Face-up delivery, as the ERDH is in charge of reversing page
order, it starts printing the last page of a print job first after it has
received the entire print job from the printer controller. In addition,
when features such as Duplex or Booklet are specified, all paper
sizes conform to the operation of Mode-B. In Mode-B operation,
determining the contents of the print job (e.g. the number of the
pages available for stapling,and multiple sizes of paper specified)
before the start of printing allows a suitable paper destination to be
selected and Finishing to be performed.
Face-up /Face-down Selection and Mode-A /
Mode-B Control
Users are allowed to select either Face-up or Face-down.
Basically, Face-up/Face-down controls are selected for an entire print
job. However, when the multiple sizes of paper are selected, the
output into multiple destinations and Face-up /Face-down deliveries
may be performed in one job.
In both Face-up and Face-down modes, if an entire print job can be
stored in the ERDH, the document will be output in the correct page
order.
In Reverse order feature by ERDH in the copier, users are allowed
to select either ON/OFF. (When only Face-up delivery is present,
ERDH Reverse order feature is set to OFF, which allows the
reverse order printing by the application without limiting the num-
ber of pages.)
Users are not allowed to select either Mode-A or Mode-B. When
ERDH reverse is ON, Mode-B is automatically set,and when
ERDH reverse is OFF, Mode-A is set.
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