Diagnostic Information; Start; Using Service Checks - Lexmark X850e Service Manual
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Also See for X850e:
- Service manual (843 pages) ,
- User manual (162 pages) ,
- Reference manual (120 pages)
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2. Diagnostic information
Start
CAUTION: Unplug the power cord from the electrical outlet before you connect or disconnect any cable
or electronic board or assembly for personal safety and to prevent damage to the printer. Disconnect
any connections between the printer and PCs/peripherals.
CAUTION: The MFP weighs approximately 70 kg (154 lb) and requires at least four people to lift it safely. Make
sure your fingers are not under the MFP when you lift or set it down.
CAUTION: If the printer is kept on, never touch the conductive parts if not specifically required. The power
switch and inlet of the low voltage power supply card (LVPS card) assembly is live even while the power supply
is cut off. Never touch the live parts.
Warning:
When operating the driving units using the diagnostics or other tools, be sure to keep them covered
unless otherwise specified.
Warning:
When operating the driving units using the diagnostics or other tools, never touch the driving units.
When operating the driving units using diagnostics or other tools, be sure to follow the procedures
in this manual.
CAUTION: Be careful to avoid burns by safely handling hot parts.
Warning:
Servicers should wear a wrist band or the like to remove static electricity from their body, grounding
their body while working. Go to
Using service checks
•
Verify the installation status. Go to
•
Does POR (Power-on Reset) stop? Check the POR sequence. Go to
page
2-2.
If the error code or message
appears in the
2X 500-Sheet Drawer (2TM)
High Capacity Feeder (HCF)
Finisher
User attendance messages are in the User's Guide.
Note: There may be printer error code messages that are not contained in this service manual. A more
complete list appears in the MFP Service Manual.
"Handling ESD-sensitive parts" on page
"Confirm the installation status" on page
Go to
"Error code messages - 2X 500-
sheet drawer (2TM)" on
page
2-3.
"Error code messages - HCF"
on page
2-36.
"Error code messages -
finisher" on page
2-50.
4-1.
2-2.
"Power-on Reset sequence" on
For additional information, see
"Service checks - 2X 500-sheet
drawer (2TM)" on page
2-5.
"Service checks - HCF" on
page
2-37.
"Service checks - finisher" on
page
2-58.
Diagnostic information
7500-XXX
2-1
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