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supports peripherals attached to a USB bus. Up to 127 peripherals can be connected
to a single USB port.
WARNING: Never connect or disconnect interface cables (or use a switch box) with
power applied to either the host or the printer. This may cause damage to the
interface circuitry in the printer/host and is not covered by warranty.
THE RECEIVE BUFFER
The CL Series “e” printers have the ability to receive a data stream from the host in
one of two ways. The receive buffer may be configured to accept one print job at a
time or multiple print jobs. The single job print buffer is generally used by software
programs that wish to maintain control of the job print queue so that it can move a
high priority job in front of ones of lesser importance. The multiple job buffer, on the
other hand prints all jobs in the order they are received by the printer, and the order
of printing cannot be changed.
Single Job Buffer
The printer receives and prints one job at a time. Each job must not exceed 2.95MB.
Multi Job Buffer
The printer is able to continuously receive print jobs, compiling and printing other
jobs at the same time. It acts much like a “print buffer” to maximize the performance
of the host and the printer.
When using the RS232 Serial interface, the Multi Job Buffer uses either the
Ready/Busy with DTR (pin 20) or X-On/X-Off flow control protocols. See these
sections for more details. With an empty receiving buffer, the status of DTR is “high”
(or an X-On status if using X-On/X-Off), meaning the printer is ready to receive
data. When the receive buffer is holding 2.0MB of data (1MB from being full), DTR
Page 6-2 PN 9001074 Preliminary SATO CL Series “e” Printers
Section 6. Interface Specifications
To be added