Contents
vi 3255 4073–002
Section 3 Diagnostics and Print Tests
Level 0 Diagnostics ......................................................3–1
Level 1 Diagnostics ......................................................3–2
Information About DIP Switch Settings.........................3–2
Switch Entry Mode.....................................................3–4
Choose a Printer Emulation..................................3–5
Set Internal Switch Pack Values in NVRAM.............3–7
EFP9800 ESC/POS Internal Switch Pack Settings
(Includes Epson ESC/POS)..........................3–9
Ithaca Peripherals Proprinter Internal Switch Pack
Settings..................................................3–11
NCR 5021 Internal Switch Pack Settings
(Serial Interface Units Only)......................3–12
EF4270 Internal Switch Pack Settings............3–13
Flash Download Mode..............................................3–17
Data Scope Mode....................................................3–19
Enter Data Scope Mode.....................................3–19
Exit Data Scope Mode.......................................3–21
Enabling or Disabling the Cover Open Switch..............3–21
Verifying Read of MICR Characters............................3–23
Checking MICR Noise Level.......................................3–25
Selecting the Font for the MICR Check Reader............3–26
Diagnostic Print Tests................................................. 3–28
Print Configuration Information..................................3–28
Continuous Slip Printing............................................3–29
Print Each Character in the ASCII Character Set..........3–30
General Print Test....................................................3–31
Sample of Configuration Printout...............................3–32
Adjusting the Printhead Gap......................................3–33
Section 4 When Something Goes Wrong
Printer Not Operating ...................................................4–2
Indicators Showing a Problem....................................... 4–3
Printer Does Not Feed Receipt/Journal Paper............... 4–3
Carriage and Paper Jams............................................. 4–4
Slips, Forms, or Checks Not Feeding Properly .............. 4–4
Slips, Forms, or Checks Skew When Feeding into the
Printer..................................................................... 4–5
Some Dots are Missing................................................. 4–5
Ribbon Tears or Frays More Quickly Than Expected...... 4–5
Overall Print is Light or Smudged ................................. 4–6
Other Serious Problems................................................ 4–7