Duplex service check
Action Yes No
Step 1
a Remove the rear cover. See “Rear door and cover removal” on
page 206.
b Check the redrive rollers for wear or damage.
Are they free of wear or damage?
Go to step 2. Replace the redrive
assembly. See “Redrive
assembly removal” on
page 209.
Step 2
a Remove the left cover. See “Left cover removal” on page 144.
b Perform a duplex print test:
Diagnostics Menu > Cont Prt Duplex Tray 1
c Check the reverse solenoid for proper operation.
Does it function properly?
Go to step 3. Replace the reverse
solenoid. See “Reverse
solenoid removal” on
page 152.
Step 3
a Remove the input tray.
b From under the printer, check the duplex gear assembly and duplex
link for wear and damage.
Are the they free of wear and damage?
Go to step 4. Replace the duplex
gear assembly. See
“Duplex gear assembly
removal” on page
158.
Step 4
From under the printer, check the duplex, belt, and roller for wear and
damage.
Are they free of wear and damage?
Go to step 5. Replace the duplex.
See “Duplex removal”
on page 192.
Step 5
a Remove the input tray.
b Check the duplex sensor for damage.
Is it free of damage?
Go to step 6. Replace the duplex
sensor. See “Duplex
sensor and input
sensor removal” on
page 193.
Step 6
Does the error remain?
Contact the next level
of support.
The problem is solved.
4514-220, -230
Diagnostic information
73
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