Specifications

SAM4s ER-285M Operator's and Program Manual v1.4 Service Mode Reference Guide • 117
Self Tests
Self-tests can be performed to check the functions of the register.
1. Turn the control lock to the S position.
2. Enter the test number from the chart below and press the SBTL key.
Test Key Sequence Results/Instructions
Printer
10 SBTL
The receipt printer generates a printer test pattern.
Display
11 SBTL
Displays illuminate a test pattern.
Keyboard
12 SBTL
Press any key. The key’s hex value is displayed.
Turn key lock to end the test.
Mode Lock
13 SBTL
Turn the mode lock to display the lock position.
Return the key to S to end the test.
RS232C Port 1
RS232C Port 2
RS232C Port 3
14 SBTL
24 SBTL
34 SBTL
Loop back connector must be connected.
Displays “232 Port Good” if successful; displays
“232 Port No Good” if unsuccessful.
Endless
Printing
15 SBTL
16 SBTL
The receipt prints a sample ticket. The print is
repeated until the key lock is turned.
SD Card
17 SBTL
Insert an SD card. After the test is complete, the
display reads “TEST SD CARD INSERTED”.
Press Clear. Card information is printed.
MCR
18 SBTL
Swipe card to test. If successful, “TRK 1 OK
TRK 2 OK” displays. Track data is printed.
SBTL