USB service check
Actions
Yes
No
Step 1
Is the USB cable properly connected to the printer and host PC?
Go to step 2.
Properly connect the
cable at both ends.
Step 2
Try a different USB cable.
Does this fix the issue?
Issue fixed.
Go to step 3.
Step 3
Connect a different device to the USB cable.
Did the host PC see the device?
Replace the controller
board. See
“Controller
board removal” on
page 239
.
There is an issue with
the host machine.
550
‑
sheet and 650
‑
sheet trays input option symptoms
Symptom
Action
Printer fails to recognize the option is installed.
Printer keeps on prompting that the jam door is open even if it’s closed.
Tray X does not recognize the media size loaded.
Tray missing message appears even if media tray is installed.
Media tray won’t fit the drawer.
Double feed
Printout is skewed.
Tray LED won’t light up during paper jam or tray empty.
Trays 2 and 3 (optional) service check
Actions
Yes
No
Step 1
Are two option trays being used?
Go to step 2.
Go to step 4.
Step 2
If two option trays are being used, then is the 550
‑
sheet tray on the
bottom?
Go to step 4.
Go to step 3.
Step 3
Switch the order of the trays so that the 55
‑
sheet tray is on the bottom,
and then print a page from both trays.
Did the pages print from both trays?
Problem resolved.
Go to step 4.
7527
Diagnostic information
130
Summary of Contents for CX310dn
Page 24: ...7527 24 ...
Page 154: ...7527 154 ...
Page 187: ...D ADF cover open E Flatbed cover open F Paperfeed sensor 7527 Service menus 187 ...
Page 227: ...5 Disconnect the belt C 6 Disconnect the fan and remove 7527 Repair information 227 ...
Page 311: ...Component locations Controller boards CX310 models 7527 Component locations 311 ...
Page 312: ...CX410 models 7527 Component locations 312 ...
Page 313: ...CX510 models 7527 Component locations 313 ...
Page 318: ...7527 318 ...
Page 325: ...7527 325 ...
Page 327: ...Assembly 1 Covers 7527 Parts catalog 327 ...
Page 329: ...Assembly 2 Scanner 7527 Parts catalog 329 ...
Page 331: ...Assembly 3 Paperpath 7527 Parts catalog 331 ...
Page 334: ...7527 Parts catalog 334 ...
Page 335: ...Assembly 4 Operator panels 7527 Parts catalog 335 ...
Page 338: ...7527 Parts catalog 338 ...
Page 339: ...Assembly 5 Electronics 7527 Parts catalog 339 ...
Page 342: ...7527 Parts catalog 342 ...
Page 343: ...Assembly 6 Cables and sensors 7527 Parts catalog 343 ...
Page 345: ...Assembly 7 Media drawers and trays 7527 Parts catalog 345 ...
Page 358: ...7527 358 ...
Page 372: ...7527 372 ...
Page 386: ...7527 Part number index 386 ...
Page 392: ...7527 Part name index 392 ...