Epson EPL-5800 Service Manual page 65

A4 monochrome laser printer
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EPSON EPL-5800
PRECAUTION AT REPLACING
!
Basic replacement = unit or assembly replacement
C A U T I O N
!
When removing connectors from the print board, be sure to
unplug the power supply in advance.
!
When taking the print board out of the conductive sack or
conductive case, or when replacing the print board, be sure to
handle it with the edge of the board and avoid touching IC
terminals and patterns.
PRECAUTION AT CHECKING
!
Avoid direct IC check by the tester. Determine OK/NG by
C A U T I O N
checking the connector on the board.
!
Be sure to avoid any short between IC terminals caused by
metallic tools.
!
If touching the elements on the board is unavoidable, be sure to
perform body earth.
4.1.1.5 Precaution at Handling the Photoconductor (Drum
Cartridge)
PRECAUTION AT TRANSPORTING AND KEEPING
!
For transporting and keeping, be sure to use specified boxes.
C A U T I O N
!
When keeping the printer, avoid direct sunlight and keep
temperature between -20
Disassembly and Assembly
C ~40
C.
°
°
PRECAUTION AT HANDLING
!
The OPC Drum is very sensitive to light and the recovery of
C A U T I O N
sensitivity takes time; do not open the protection cover or do not
expose to the sunlight for a long period.
!
Do not put fingerprints, oil, or chemicals on the surface of the
OPC Drum.
!
Do not scratch the surface of OPC Drum.
Overview
Revision B
67

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