
Section 4: Accessories Installation
9Insert a standoff (7) onto each screw (6) from the back side of main circuit board (4).
10Connect expansion board (8) to the back side of main circuit board (4).
11Apply a nut (9) to the end of each screw (6). Tighten securely.
12Apply a screw (10) into the lower left corner of expansion board (8). Tighten securely.
13Apply a screw (10) into the front of main circuit board (4) to secure the upper left corner of expansion board (8). Tighten securely.
14Insert main circuit board (4, Figure
15Insert interface board (2) into its respective slot to connect with main circuit board (4) and secure using two screws (1).
16Restore power, test cycle, and install housing covers.
NOTE: Figure
REAL-TIME CLOCK INSTALLATION
The real time clock chip allows the date and time to be maintained in the local printer rather than using the system clock. It consists of a special clock chip that replaces the EEPROM chip on the main cicuit board.
1. Switch the printer off and disconnect the power supply cord.
2Remove the left side housing cover to gain access to the main circuit board.
3Locate and withdraw the EEPROM chip (1, Figure
CAUTION: IF USING A TOOL TO REMOVE THE EEPROM CHIP, ENSURE
THAT IT IS NOT BEING INSERTED BETWEEN THE RECEPTACLE BOARD
AND THE CIRCUIT BOARD. DESTRUCTION IN THE CIRCUIT BOARD
WILL OCCUR. INSERT THE TOOL BETWEEN THE TWO PIECES OF
BLACK PHENOLIC MATERIAL TO PRY THE CHIP FREE.
4Insert clock chip (3) into the vacant connection recepticle (4).
5Connect the power supply cord.
6Factory Reset as directed in the Factory Reset section of this manual.
7Press and hold the LINE key while simultaneously switching the power on.
8When the printer emits one long beep, release the LINE key.
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| LCD DISPLAY: | INITIALING ROM V00.00.00.00 |
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| LCD DISPLAY: | ADVANCED MODE |
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9 Press the FEED key 11 times to display the prompt to set the calender.
M84Pro Service Manual | PN 9001111A | Page |