41956001TH Rev.1
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Oki Data CONFIDENTIAL
4.2
Adjustments after Parts Replacement
The following describes the adjustments that are required after replacing parts.
Adjustment and correction for color registration are always required for each part replacement.
Replaced Part
LED Head
Drum Cartridge (Y, M, C, K)
Fuser Unit
Belt Cassette Assy
PU (K7N Board)
CU (TIG board)
Shutter
Media Thickness Sensor
Assy
Adjustment
Not required
Not required.
Not required.
Not required.
Re-mounting the EEPROM used on the board before replacement. *Note
Re-mounting the EEPROM used on the board before replacement. *Note
Setting the correction value of the calibration chip for detecting density.
Adjusting paper thickness detection sensitivity and checking media
thickness detection value setting.
* Note:1. When the EEPROM of the PU (K7N board) is replaced to a new one, color balance
must be adjusted.
* Note: 2. When the EEPROM of the CU (TIG board) is replaced to a new one, the Destination
Setting must be adjusted.
4.2.1
Precautions in replacing engine control board
When replacing the engine control board (K7N PWB), remove the EEPROM from the old board
and set it on a new board (for errors other than those of engine EEPROM).
When SERVICE CALL xxx (an engine EEPROM error) is displayed on the operator panel, the
EEPROM must be replaced with new EEPROM. In this case, perform the operation described in
section 4.2.2.
4.2.2
Precautions in replacing EEPROM
When the EEPROM is not removed from the board and placed on the new board at the time of
engine controll board (K7N PWB) replacement, the Version Read function (fuse cut) described in
section 2.14 is disabled. The printer must be switched from the factory mode to the shipping mode
using the following procedure.
Содержание C9500dxn
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