Ribbon Replacement - IBM System/370 145 Operating Procedures Manual

KEY
FUNCTION
NOT READY Places the printer in a not ready condition.
Used to terminate a read command when the operator has
CANCEL made an error in data entry. Normally, the program will
issue the same read command again.
READY
Places the PR-KB in the ready state when forms are in the
printer.
Requests or ends an alter/display operation. When used to
ALTER/DISPLAY
end an alter/display operation, the PR-KB remains in alter/
display mode.
END
Terminates a read, write, or alter/display operation.
ALARM RESET
Resets the alarm indicator.
REQUEST
Requests the CPU to initiate a read command to the PR-KB.
When programming, this allows the operator to enter data .
• RIBBON REPLACEMENT
3210 Printer-Keyboard
To remove and replace a ribbon:
1.
Press the NOT READY key.
2. Raise the top cover.
3. Move the ribbon load lever to the extreme right.
4. Lift the ribbon cartridge straight up and remove the
ribbon from the ribbon guide.
5. Position the new cartridge with the ribbon facing the
platen.
6. Slide the ribbon through the slots in the ribbon guides.
7. Position the cartridge on the cartridge posts and press
into place.
8. To rewind excess ribbon, turn either cartridge post in
the direction of the arrow.
9. Move the ribbon load lever to the extreme left.
3215 Printer-Keyboard
• Use only 3215 ribbon cllrtridges in this machine; other-
wise, the loclltinu pin will be dumuned.
To remove and replace a ribbon:
1. Press the NOT READY key.
2. Ra ise the top cover.
3. Remove the ribbon and cartridge.
4. Position the hole in the bottom of the cartridge over the
pin sticking up out of the ribbon feed mechanism and
press the cartridge into place.
5. Thread the ribbon through the ribbon guides following
the path shown in the decal on the printer. Do not twist
the ribbon.
6. Rewind any slack in the ribbon by turning the left (front)
cartridge post in the direction of the arrow.
Printer-Keyboard 29