Centronics I/F Ack/Busy Timing Selection - TEC B-680 SERIES Maintenance Manual

6. DIAG. TEST OPERATION

6.3.27 Centronics I/F ACK/BUSY Timing Selection

Choose the ACK/BUSY timing type 1 or type 2.
Turn on the power while
holding down the [FEED]
key and [PAUSE] key.
< 1 >
D I A G N O S T I C
Press the [FEED] key.
< 2 >
P A R A M E T E R
Press the [PAUSE] key 29 times.
A C K / B U S Y
Select centronics I/F ACK/BUSY timing
with the [FEED] key or [RESTART]
key. (See NOTE 1.)
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
V
S E T
Y
T Y P E
Press the [FEED] key
and [RESTART] key
at the same time.
1 . 0 A
TYPE 1
BUSY
ACK
TYPE 2
1
BUSY
ACK
T1: About 0.7µ micro sec.
T2: About 5µ micro sec.
Press the [PAUSE] key.
Continued on Section 6.3.28
Web Printer Function Selection
6-51
6.3 PARAMETER SETTING MODE
T1 T1 T1
T2 T2 T2
EO18-33006