Sharp UP-600 Service Manual page 26

5)-6. PES & NES SENSOR Check
Checking
The screen displays the operating status of the paper end sensor
and paper near end sensor of the receipt/journal printer.
Display
PES&NES SENSOR Check
NES : 0 (or 1)
RPES : 0 (or 1)
JPES : 0 (or 1)
OPBS : 0 (or 1)
Display Status
NES 0 Senses the near end of the journal paper roll.
Does not sense the near end of the journal
1
paper roll.
RPES 0 Senses the end of the receipt paper roll.
1 Does not sense the end of the receipt paper roll.
JPES 0 Senses the end of the journal paper roll.
1 Does not sense the end of the journal paper roll.
OPBS 0 IPL ROM PWB connected
1 IPL ROM PWB not connected
How to exit the program
Press the CANCEL key to exit the program.
5)-7. DOT PULSE Adjustment
Checking
The dot width adjustment circuit controls the pulse width of the
current which is added to the printer dot head in response to
fluctuations n supply voltage. If the circuit is replaced with a new
one for any reason such as repair, the dot pulse width needs to be
adjusted using the 200K's knob VR1. When the DOT PULSE
Adjustment is executed, the dot pulse "PE" is outputted without
printing.
Display
DOT PULSE Adjustment
How to exit the program
Press the CANCEL key to exit the program.
Description
6) TCP/IP STACK NETWORK DIAGNOSTICS
The program performs the TCP/IP stack test.
The test requirements are as follows:
•
UP-600
•
10BASE-T cable (for data transfer testing)
•
HUB (for loop back test and data transfer test where 2 or more
units are used.)
The following menu appears. The cursor shown in reverse video can
be moved using the up/down arrow keys. Move the cursor to the
menu item you want to execute and press the ENTER key to execute
the corresponding check program. After the selected Diag. program is
completed, the screen returns to this menu.
Press the CANCEL key to return the screen to the Diag. submenu.
TCP/IP DIAG
SELF Check
LOOPBACK Check
MAC ADDR&FIRM Ver. Read
MAC ADDR&FIRM WRITE
DATA Trans.(MA)
DATA Trans.(SA)
6)-1. SELF Check
Checking
The program executes Diag's built in TCP/IP stack board and
displays the results.
i. Execute the flash memory test command and display the re-
sult.
ii. Execute the SRAM test command and display the result.
iii. Execute the dual-port RAM test and display the result.
iv. Execute the interrupt test command and display the result.
The information inside the error status is as follows:
b7 Reserved ("0" is always displayed)
b6 Reserved ( "0" is always displayed)
b5 Reserved ("0" is always displayed)
b4 Reserved ( "0" is always displayed)
b3 HR_RST : If /INTHR cannot be canceled
b2 HR_ACK:If /INTHR does not enter after waiting for 10 ms
b1 HW_RST : If /INTHW cannot be canceled
b0 Reserved ("0" is always displayed)
Display
SELF Check
FLASH : PASS (or ERROR)
SRAM : PASS (or ERROR)
XXXXXXXX : XX : XX
DPRAM : PASS (or ERROR)
XXXXXXXX : XX : XX
INTERRUPT : PASS (or ERROR)
XXXXXXXX
How to exit the program.
Press the CANCEL key to exit the program.
When an error occurs,
the address and data
are displayed.
When an error occurs,
the address and data
are displayed.
When an error occurs,
the data is displayed.