Symptom
Action
No display.
See
“No display service check” on page 185
No power.
See
“No power service check” on page 186
ADF door is open.
See
“ADF door open service check” on page 187
.
Door switch service check
Action
Yes
No
Step 1
a
Check the front door flag for damage.
b
Check the front door hinge for damage.
Is the front door flag and hinge free of damage?
Go to step 3.
Go to step 2.
Step 2
Replace the front door. See
“Front door removal” on page 241
Does the problem remain?
Go to step 3.
The problem is
solved.
Step 3
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.
e
Check the door switch for damage and proper alignment.
Is the HVPS properly installed and free of damage?
Go to step 5.
Go to step 4.
Step 4
Replace the HVPS. See
Note:
Make sure to perform the HVPS characterization when
replacing the HVPS.
Does the problem remain?
Go to step 5.
The problem is
solved.
Step 5
a
Reseat all the cables on the controller board.
b
Check the controller board for proper installation and damage.
c
Check if controller board LED lights up.
Is the controller board properly installed and free of damage?
Contact the next
level of support.
Go to step 6.
Step 6
Replace the controller board. See
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
3400-48x
Diagnostics and troubleshooting
178
Содержание MB2236
Страница 16: ...3400 48x 16 ...
Страница 18: ...3400 48x 18 ...
Страница 203: ...Scan SE Scanner Info 3400 48x Service menus 203 ...
Страница 204: ...3400 48x 204 ...
Страница 229: ...6 Disconnect all cables 7 Remove the controller board 3400 48x Parts removal 229 ...
Страница 233: ...Right side removals Right cover removal 1 Remove the tray insert 2 Remove the duplex unit 3400 48x Parts removal 233 ...
Страница 239: ...7 Disconnect the cable and then detach the ADF link 3400 48x Parts removal 239 ...
Страница 240: ...8 Remove the control panel 3400 48x Parts removal 240 ...
Страница 241: ...Front door removal 1 Detach the door strap 2 Remove the front door 3400 48x Parts removal 241 ...
Страница 246: ...3400 48x Parts removal 246 ...
Страница 250: ...11 Remove the top cover 3400 48x Parts removal 250 ...
Страница 254: ...3 Place the printer on its rear and then remove the sensor cover 4 Remove the sensor 3400 48x Parts removal 254 ...
Страница 256: ...Pick rollers removal 1 Remove the tray insert 2 Place the printer on its rear 3400 48x Parts removal 256 ...
Страница 258: ...4 Remove the two pick rollers 3400 48x Parts removal 258 ...
Страница 262: ...6 Detach the scanner stand and then remove the fax card cover 3400 48x Parts removal 262 ...
Страница 265: ...11 Remove the ADF scanner from the flatbed scanner 3400 48x Parts removal 265 ...
Страница 266: ...3400 48x 266 ...
Страница 274: ...3400 48x 274 ...
Страница 277: ... Scanner glass Scanner glass pad 3 Close the scanner cover 3400 48x Maintenance 277 ...
Страница 279: ...Assembly 1 Covers 3400 48x Parts catalog 279 ...
Страница 281: ...Assembly 2 Paper path 3400 48x Parts catalog 281 ...
Страница 283: ...Assembly 3 Drive 3400 48x Parts catalog 283 ...
Страница 285: ...Assembly 4 Sensors 3400 48x Parts catalog 285 ...
Страница 287: ...Assembly 5 Electronics 3400 48x Parts catalog 287 ...
Страница 289: ...Assembly 6 Scanner 3400 48x Parts catalog 289 ...
Страница 294: ...3400 48x 294 ...
Страница 312: ...3400 48x Index 312 ...
Страница 314: ...3400 48x Part number index 314 ...
Страница 316: ...3400 48x Part name index 316 ...