Epson TM-L90 Developer's Manual page 84

Confidential
3. Set communication condition
When DIP SW1-2 is ON
Follow the procedure (see page 2-9) and set.
When DIP SW1-2 is OFF
Follow the serial communication conditions (see page 2-11) and set. You can set either
printer panel operation or GS ( E.
Refer to "Operating Mode (Panel Switch Operation)" page 3-11
Q . Drawer Kick does not operate properly.
A . Drawer specifications differ depending on the manufacturer and the part number.
Refer to page "Drawer kick connector" in Appendix A and confirm connector pin
assignments. Make sure that the specifications of the drawer to be used meet the following
conditions before connecting it to the drawer kick-out connector. These conditions also apply to
any other devices that use the drawer kick-out connector.
Any devices that do not satisfy all the following conditions must not be used.
[Conditions]
• A load must be provided between drawer kick-out connector pins 4 and 2 or between
pins 4 and 5. (*1)
• When the drawer open/close signal is used, a switch must be provided between drawer
kick-out connector pins 3 and 6. (*2)
• The resistance of the load must be 24 W or more, or the input current must be 1 A or less.
(*3)
• Be sure to use drawer kick-out connector pin 4 (24 V power output) to drive the device.
Never connect any other power supply to the drawer kick-out connector. (*4)
NOTES:
(*1) Operating the printer with incorrectly installed devices voids the warranty.
(*2) Connecting devices other than the drawer open/close switch voids the warranty.
(*3) If a device with a resistance of less than 24 Ω or an input current of over 1 A is used, the resulting overcurrent
may damage the device.
(*4) Connecting a power supply other than that specified voids the warranty.
Q. Unable to recover from recoverable error state even if executing DLE ENQ.
A. When the printer is BUSY state due to recoverable error, you cannot execute
command. Check below points.
J Set Msw1-3 ON and condition to be BUSY is "When receive buffer full". (Default setting is
OFF and condition to be BUSY is "When offline or receive buffer full".)
Refer to "Selecting conditions that invoke a BUSY State" in Chapter 3.
J Even if Msw1-3 is set ON, under receive buffer full condition Data cannot receive. Refer to
"Notes on setting memory switch Msw1-3 to ON" in Chapter 3.
Rev. A
TM-L90 Developer's Guide
Application Development Information 4-17