6-51
6. DIAG. TEST OPERATION
EO18-33006
6.3.27 Centronics I/F ACK/BUSY Timing Selection
Choose the ACK/BUSY timing type 1 or type 2.
6.3 PARAMETER SETTING MODE
NOTES:
1. Holding the [FEED] key or [RESTART] key down for more than 0.5 seconds enables a
fast forward.
2. A changed data length is stored in memory by pressing the [PAUSE] key.
3. Select type1 when using ECP + DMA mode.
Power off
Turn on the power while
holding down the [FEED]
key and [PAUSE] key.
Press the [FEED] key.
Press the [PAUSE] key 29 times.
Press the [FEED] key
and [RESTART] key
at the same time.
Y
Select centronics I/F ACK/BUSY timing
with the [FEED] key or [RESTART]
key. (See NOTE 1.)
Press the [PAUSE] key.
Continued on Section 6.3.28
Web Printer Function Selection
T2
T2
T2
T1
BUSY
ACK
T1
T1
BUSY
ACK
T1: About 0.7
µ
micro sec.
T2: About 5
µ
micro sec.
TYPE 1
TYPE 2
< 1
D I A G N O S T I C V
>
1 . 0 A
A C
/ B U S Y T Y P E
K
1
< 2
P A R A M E T E R S E T
>
