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2HA/2HB-2
1-6-2
Adjustment-free variable resistors (VR)
The variable resistors listed below are set at the factory prior to shipping and cannot be adjusted in the field.
High-voltage PWB: VR201, VR202, VR301
Drum unit zener PWB: VR1
1-6-3
Remarks on PWBs replacement
Confirm the version of the firmware and upgrade the version in up-to-date state when replacing PWBs.
When replacing the engine PWB or main PWB, remove the EEPROM from the engine PWB or main PWB that has been
removed and then reattach it to the new engine PWB or main PWB.
1-6-4
Upgrading print system firmware
It is necessary to have GDI printer driver installed.
Upgrade using PC/USB
[Start] → [Setting] → [Printer & FAX] → find "Kyocera KM-1635KX"
1.
2.
Click right button of the mouse to select [Shared] and Shared name should be KM1635
3.
Open MSDOS (Command prompt) and type c:\>hostname (EX: aaaa)
4.
Then type c:\>net use lpt2 \\aaaa\KM1635
5.
Printer will be applied to lpt2
6.
Check to see if this is done correctly. Type c:\>net use
7.
On the screen, "OK LPT2 \\aaaa\KM1635 Microsoft Windows Network" is displayed
8.
Finish setting
9.
When you want to send the file, type c:\>copy /b file_name lpt2
Upgrade using DIMM
1.
Make sure the main switch is turned OFF.
2.
Remove Printer Board from the main unit, insert the DIMM (P/N: 303KC94020) into the slot in Printer Board and
change the jumper switch (SW1) position on Printer Board to "1-2".
3.
Insert the Printer Board into the main unit.
4.
Turn the main switch ON and wait for 90 seconds. (*1)
5.
After more than 90 seconds is passed, turn OFF the main switch. (*2)
6.
Remove Printer Board from the main unit and remove DIMM from Printer Board, then, return the jumper switch to
its original position "2-3".
7.
Insert Printer Board into the main units.
(*1) If pressing printer key in the main unit without turning OFF in about 2 minutes after the download is complete,
"Please power off/on. A0240" will be displayed. But it is not error. (In that case, please start over from procedure 5.)
ATTENTION
(*2) No beep will sound when the Printer Board firmware upgrade is complete. (A beep will sound when the main unit
firmware upgrade is complete.)
If turning OFF the main switch without waiting 90 seconds, "A240" will be displayed when the main switch is turned
ON. In this case, Please try again from the procedure 1.
1-6-2
EEPROM
Figure 1-6-2
EEPROM
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