Oki Pacemark 4410 Service Handbook page 189

(4) Stored historical page number data
This function counts a page each 11inch and stores it to EEPROM.
The storage capacity for the counter is 3byte, which equals to pages for 70 years at 20000
pages/ month.
As the printer has no function which is capable of resetting this counter, line feed frequency
can be known since the printer's shipment.
(5)
a) Stored historical printed character number data
This function counts the number of actually printed characters and stores it to EEPROM.
It reads and analyses the characters from receiving buffer and identifies the characters which
has been actually printed and counts them.
The count of image data for any DPI should be increases by one character each 12 columns,
The storage capacity for the counter is 3byte, which equals to 430 million characters with 256
characters counted as 1 count.
As the printer has the function which is capable of resetting this counter to zero, The usage
frequency of print head ribbon can be known as an index by resetting this counter when
replacing a print head and ribbon set.
b)Printed character number counter resetting function
Activating
Releasing
Condition
Subject
This function resets the counter for the number of printed characters to zero, which is stored
in the EEPROM.
This function is advanced in the following steps.
1) This function starts, showing the following indications on the LCD.
2) It resets the printed character number counter to "0" and rewrites the EEPROM.
3) The printer returns to the normal Power On condition.
40496501TH Draft Version
Power on, holding SHIFT + CONFIG switches.
When DIP switch 1 has been turned on.
Printed character number counter (EEPROM data)
Top line :
Bottom Line :
INITIALIZING
COUNTER RESET
C-4