User`s guide

A: BSC 3270 Line Control Procedures
DC 900-1340I 199
Figure A–4: Printer Error During Printout
Client Freeway
Communication Line
3270 WRITE command byte
DLI_PROT_SEND_NORM_DATA_EOM
<WACK>
<EOT>
DLI_PROT_CHANGE_STATUS
select
dlRead
=
DLI_ICP_ERR_DEVICE_BUSY
pOptArgs.iICPStatus
dlWrite
pOptArgs.iProtModifier =
select
with start print bit
<EOT>
general poll
status message (IR, DE)
<ACK1>
general poll
DLI_PROT_CHANGE_STATUS
dlWrite
pOptArgs.iProtModifier =
DLI_ICP_ERR_DEVICE_UNAVAIL
(printer out of paper)
<EOT>
DLI_ICP_ERR_DEVICE_BUSY
(printer has paper but
is still printing)
<EOT>
general poll
status message (DE)
<ACK1>
<EOT>
DLI_PROT_CHANGE_STATUS
dlWrite
pOptArgs.iProtModifier = 0
<ACK0>
<WACK>