Epson C31C514452, Technical Reference Manual

Page: 106 / 154

6-6 Notices for Replacement of the TM-U210/TM-U300 Rev. H
See the next tables for the behavior.
The status behavior is as following two tables.
The mapping of cover open status is as following two tables.
Printer status bit
U210
Operation when paper-end
Off-line Paper-
out LED Waiting
on-line
recovery Cover
open
1) Paper end occurs. OFF line ON OFF --
2) Operator opens the cover for
setting a paper roll. OFF line ON OFF --
3) Operator installed paper roll
then closed cover. OFF line OFF waiting
on-line
recover --
4) Type B,D: Operator pressed
FEED SW when paper out LED
blinks.
Type A: After approx.500msec.
passed. On line OFF OFF --
Printer status bit
U220 (Msw 8-5: OFF) U220 (Msw 8-5: ON)
Operation when paper-end
Off-line Paper-
out LED Waiting
on-line
recovery Cover
open Off-line Paper-
out LED Waiting
on-line
recovery Cover
open
1) Paper end occurs. OFF line ON -- OFF OFF line ON -- OFF
2) Operator opens the cover for
setting a paper roll. OFF line ON -- OFF OFF line ON -- ON
3) Operator installed paper roll
then closed cover. On line OFF -- OFF On line OFF -- OFF
Printer status bit
U210
Operation when paper-end Off-line
Paper-
out LED Waiting
on-line Cover
open
Operation when cover open Off-line
Paper-
out Waiting
on-line Cover
open
Cover open OFF OFF OFF --
Cover close OFF OFF OFF --
Printer status bit
U220 (Msw 8-5: OFF) U220 (Msw 8-5: ON)
Operation when paper-end Off-line
Paper-
out LED Waiting
on-line Cover
open
Off-line
Paper-
out Waiting
on-line Cover
open
Cover open OFF ON -- OFF OFF OFF -- ON
Cover close OFF OFF -- OFF OFF OFF -- OFF
ASB(Auto Status Back)
notification occurs
because status is
changed.
This “Cover open” means;
Off: Cover is closed
On: Cover is opened
This printer doesn’t have
cover open sensor.
Therefore, there are no
status.
ASB(Auto Status Back)
notification does not
occur because status did
not change.