Sony UP-D2600, Service Manual

Page: 48 / 132

1-42
UP-D2600/V1(E)
22
Others
Parallel Interface connector pin assignment
Pin No. I/O Signal
Interface mode
Compatible Nibble ECP
1 I nStrobe HostClk HostClk
2 I/O Data1 (LSB)
3 I/O Data2
4 I/O Data3
5 I/O Data4
6 I/O Data5
7 I/O Data6
8 I/O Data7
9 I/O Data8 (MSB)
10 O nACK PtrClk PeriphClk
11 O Busy PtrBusy PeriphAck
12 O PError AckDataReq nAckReverse
13 O Select Xflag Xflag
14 I nAutoFd HostBusy HostAck
15 Not defined
16–17 GND
18 O Peripheral Logic High (pull up to +5 V at 1 kilohm)
19–30 GND
31 I nInit nInit nReverseRequest
32 O nFault nDataAvail nPeriphRequest
33 Not defined
34 Not defined
35 Not defined
36 I nSelectIn IEEE 1284 Active IEEE 1284 Active
UP-D2600 supports Compatible, Nibble, and ECP
modes of the two-way parallel interface standard
(IEEE Std 1284-1994).
Design and specifications are subject to change
without notice.
Specifications (continued)
Interface
Control connector
IEEE 1284-B connector
(amphenol 36-pin)
Input: Max. 5 V (TTL)
Output: Max. 5 V (TTL)
Data transmission system
8 bit, parallel,
IEEE Std 1284-1994 (Compatible,
Nibble and ECP modes)
Logic level
TTL
23
Others
Troubleshooting
The following troubleshooting check will help you correct the most common
problems you may encounter with your unit. Before proceeding with these trouble
checks, first check that the power cord is firmly connected. Should the problem
persist, unplug the unit and contact your sony service facility or your Sony dealer.
Symptom
The printer does not print even
if the command is sent from the
computer.
The printer does not print.
Possible causes and remedies
• The POWER switch of the printer is not set to ON.
t Set the POWER switch of the printer to ON.
• Connection may not be correct.
t Check connections and rectify, if necessary.
The problem is indicated by the indicators on the front panel.
t See “Indicators on the Front Panel” on page 24 and perform
the proper remedies.