Action
Yes
No
Step 12
a
Reseat the transfer roller.
b
Enter the Diagnostics menu, and then select
Advanced Print
Quality Samples
.
Does the problem remain?
Go to step 13.
The problem is
solved.
Step 13
Replace the transfer roller. See
Does the problem remain?
Go to step 14.
The problem is
solved.
Step 14
Adjust the toner darkness.
Does the problem remain?
Go to step 15.
The problem is
solved.
Step 15
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 17.
Go to step 16.
Step 16
Replace the HVPS. See
Note:
Make sure to perform the HVPS characterization when
replacing the HVPS.
Does the problem remain?
Go to step 17.
The problem is
solved.
Step 17
a
Reseat all the cables connected to the LVPS.
b
Check the cables for proper connection and damage.
c
Check the fuse for continuity.
d
Check the electronic components on the LVPS for damage.
e
Check the LVPS for proper installation and damage.
Is the LVPS properly installed and free of damage?
Go to step 20.
Go to step 18.
3400-48x
Diagnostics and troubleshooting
28
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 ...