7156 Owner’s Guide Diagnostics
October 1995 43
Level 1 Diagnostics
Level 1 diagnostics (setup mode) allow you to change the settings for various
printer functions and to run certain tests using the DIP switches.
Keep the following information in mind when changing the settings:
• The settings can only be changed when the printer is in level 1 diagnostics
(setup mode): Switch 1 must be set to On. “Verifying Read of MICR
Characters” is an exception as it is run in on-line mode (switch 1 set to Off).
• After the switches have been changed, press the on-line button and wait for
the green LED to flash. This does not always apply. See the section for each
function and test for specific instructions.
• The default options are set at the factory and are stored in the history
EEROM.
• Once the settings have been changed and stored in the EEROM, the DIP
switches must be set back to the on-line settings for the printer to operate.
• The stored settings for the functions are printed with a dump of all resident
characters during a print test. See “Print Test” later in this chapter.
Caution: If you are changing the switch settings, be sure they are the correct
settings for that particular function or test to avoid accidentally changing the
settings for another function or test. If the settings are accidentally changed, use
the switch settings shown in the tables throughout this section to change those
settings back. If you need assistance, contact a service representative. See
“Contacting a Service Representative” earlier in this book.
The functions and tests are described in the following order in this section:
• Setting printhead resistance
• Setting partial cut distance
• Setting Data Error and Data Buffer Options
• Ignoring/using the carriage return
• Checking and Adjusting the MICR Reader
• Verifying Read of MICR characters
• Running the data scope mode
• Testing the slip and receipt stations
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