Action
Yes
No
Step 14
a
Clean the printhead lens.
b
Reseat the two printhead cables at both ends.
c
Perform a print test.
Does the problem remain?
Go to step 15.
The problem is
solved.
Step 15
a
Make sure that the printhead cables are properly connected.
b
Check the printhead for proper installation and damage.
Is the printhead properly installed and free of damage?
Go to step 17.
Go to step 16.
Step 16
Replace the printhead. See
“Printhead removal” on page 251
.
Does the problem remain?
Go to step 17.
The problem is
solved.
Step 17
a
Reseat the HVPS cables.
b
Check the cables for damage.
Are the cables free of damage?
Go to step 18.
Go to step 19.
Step 18
Replace the damaged cable.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Step 19
a
Check the HVPS characterization.
b
Reseat the HVPS cables.
c
Check the HVPS cables for proper installation and damage.
d
Check the HVPS spring contact for proper connection to the
board.
Is the HVPS properly installed and free of damage?
Go to step 21.
Go to step 20.
Step 20
Replace the HVPS. See
Note:
Make sure to perform the HVPS characterization when
replacing the HVPS.
Does the problem remain?
Go to step 21.
The problem is
solved.
3400-48x
Diagnostics and troubleshooting
35
Summary of Contents for MB2236
Page 16: ...3400 48x 16 ...
Page 18: ...3400 48x 18 ...
Page 203: ...Scan SE Scanner Info 3400 48x Service menus 203 ...
Page 204: ...3400 48x 204 ...
Page 229: ...6 Disconnect all cables 7 Remove the controller board 3400 48x Parts removal 229 ...
Page 239: ...7 Disconnect the cable and then detach the ADF link 3400 48x Parts removal 239 ...
Page 240: ...8 Remove the control panel 3400 48x Parts removal 240 ...
Page 241: ...Front door removal 1 Detach the door strap 2 Remove the front door 3400 48x Parts removal 241 ...
Page 246: ...3400 48x Parts removal 246 ...
Page 250: ...11 Remove the top cover 3400 48x Parts removal 250 ...
Page 258: ...4 Remove the two pick rollers 3400 48x Parts removal 258 ...
Page 262: ...6 Detach the scanner stand and then remove the fax card cover 3400 48x Parts removal 262 ...
Page 265: ...11 Remove the ADF scanner from the flatbed scanner 3400 48x Parts removal 265 ...
Page 266: ...3400 48x 266 ...
Page 274: ...3400 48x 274 ...
Page 277: ... Scanner glass Scanner glass pad 3 Close the scanner cover 3400 48x Maintenance 277 ...
Page 279: ...Assembly 1 Covers 3400 48x Parts catalog 279 ...
Page 281: ...Assembly 2 Paper path 3400 48x Parts catalog 281 ...
Page 283: ...Assembly 3 Drive 3400 48x Parts catalog 283 ...
Page 285: ...Assembly 4 Sensors 3400 48x Parts catalog 285 ...
Page 287: ...Assembly 5 Electronics 3400 48x Parts catalog 287 ...
Page 289: ...Assembly 6 Scanner 3400 48x Parts catalog 289 ...
Page 294: ...3400 48x 294 ...
Page 312: ...3400 48x Index 312 ...
Page 314: ...3400 48x Part number index 314 ...
Page 316: ...3400 48x Part name index 316 ...