N-20P Disassembly Procedure
1. Remove the paper door (20) and any printer paper by firmly grasping the paper roll, and pulling the roll
outward from the printer.
2. See "Disassembly procedure for removal of covers, PCBs, and the display assembly".
Disassembling the Printer/Flex Circuit Assembly
Figure 12.11 Printer and Flex Circuit installation
1. Remove the printer button stiffener (37).
2. Disconnect the two flex-circuit headers of the printer (29) from the connectors on the printer flex circuit (28) by
slowly pulling outward from side to side at alternating ends of the connectors.
3. Remove the printer button strip (7) from the printer flex-circuit.
4. Remove the printer flex-circuit insulator (24).
5. Remove printer hold-down bracket (4) from the back cover by removing the Phillips screw (32).
6. Press the printer hold-down bracket into the back cover and remove the printer.
WARNING
: Disassembly of the instrument exposes hazardous voltages. To avoid injury or instrument
damage, disassembly or maintenance must be attempted only by qualified service personnel.
12-31
4
32
7
37
28
24
29