Dell 5230dn Mono Laser Printer Service Manual page 142

Service manual
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Error
code or
message
937.71
937.80
2-108
Service Manual
Error contents
Main drive motor
assembly failure
Loss of lock detected
by higher-level code.
Motor = type 1
Main drive motor
assembly failure
Driver over temp
detection.
Motor = type 0
Description/Action
The main drive motor assembly
may be faulty or has failed.
The internal duplex assembly
is not properly grounded to the
LVPS. This only applies to
machines with an installed
internal duplex assembly.
The main drive motor assembly
may be faulty or has failed.
Possible repair actions
Warning: Ensure that the
metal frame of the internal
duplex assembly is properly
grounded to the metal frame of
the LVPS with a jumper wire as
shown in the graphic below.
LVPS
Grounding wire
If the jumper wire is NOT
present, install the 40X7028
internal duplex grounding kit.
This should only be done for
machines with an installed
internal duplex assembly.
1. Check all connections on
the system card assembly.
2. Check all connections on
the main drive motor
assembly.
3. Replace the main drive
motor assembly. Go to
"Output cover assembly
removal" on page
4-54.
4. Replace the system card
assembly if problem
remains. Go to
"System
card assembly removal"
on page
4-76.
1. Check all connections on
the system card assembly.
2. Check all connections on
the main drive motor
assembly.
3. Replace the main drive
motor assembly. Go to
"Output cover assembly
removal" on page
4-54.
4. Replace the system card
assembly if problem
remains. Go to
"System
card assembly removal"
on page
4-76.

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