NCR 7156, Service Manual, Page: 7 / 206

7156 Service Guide Contents
September 1998 vii
Contents
Section One: Printer Information and Setup 1
Chapter 1: About the 7156 Printer 3
Features ...................................................................................................................................... 4
Receipt Station.................................................................................................................... 4
Slip Station .......................................................................................................................... 4
Both Stations ....................................................................................................................... 4
General Features ................................................................................................................ 5
Options ....................................................................................................................................... 5
Chapter 2: Setting Up the Printer 7
What Is in the Box? ................................................................................................................... 7
Removing the Packing Material ....................................................................................... 8
Repacking the Printer ........................................................................................................ 9
Choosing a Location ............................................................................................................... 10
Setting DIP Switches............................................................................................................... 11
Connecting the Cables ............................................................................................................ 12
RS-232C Models (Remote) .............................................................................................. 12
LCSIO (RS-485) Models (Integrated) ............................................................................. 14
Turning On the Printer ........................................................................................................... 15
Testing the Printer................................................................................................................... 15
Running the Print Test by Power Cycling the Printer................................................. 16
Running the Print Test by Opening and Closing the Cover....................................... 16
Sample Print Test for RS-232C Models ......................................................................... 17
Sample Print Test for LCSIO (RS-485) Models............................................................. 18
Cleaning the Printer................................................................................................................ 19
Cleaning the Cabinet ....................................................................................................... 19
Cleaning the Thermal Printhead.................................................................................... 19
Chapter 3: Diagnostics 21
Level 0 Diagnostics ................................................................................................................. 21
Level 1 Diagnostics ................................................................................................................. 22
Setting Printhead Resistance .......................................................................................... 23
Setting Partial Cut Distance ............................................................................................ 24
Setting Data Error and Data Buffer Options (RS-232C Models Only) ...................... 25
Ignoring/Using the Carriage Return............................................................................. 26
Checking and Adjusting the MICR Check Reader (Common Board and RS-232C
Models) ......................................................................................................................... 27
Checking and Adjusting the MICR Check Reader (LCSIO—RS-485 MICR
Amplifier Board) ......................................................................................................... 30