Actions
Yes
No
Step 5
Damage to the printer is possible. Be careful to touch only one conductor
at a time. Rest the probe against the connector to steady it.
With the printer on, verify the following values at JLVPS1:
Pin 1: +5 V dc
Pin 2: Ground
Pin 3: +5 V dc
Pin 4: Ground
Pin 5: +5 V dc
Pin 6: Ground
Pin 7: +24 V dc
Pin 8: Ground
Pin 9: +24 V dc
Pin 10: Ground
Pin 11: +24 V dc
Pin 12: Ground
Pin 16: Ground
Are the values approximately correct?
Replace the controller
board. See
“Controller
board removal” on
page 239
.
Replace the LVPS. See
“Low
‑
voltage power
supply (LVPS)
assembly removal” on
page 268
.
Front door sensor or switches service check
Actions
Yes
No
Step 1
Enter Diagnostics Menu.
Turn the printer on, press and hold
3
and
6
, and release the buttons with
the installed memory and processor speed displays.
Perform the Base Sensor Test. See
“BASE SENSOR TEST” on page 176
.
a
Select Base Sensor Test, and press Select.
b
Select Front Door, and press Select.
c
Open and close the front door, and observe the display.
Does the display indicate
Value Closed
with the door closed, and
Value Opened
with the door open?
Sensor, toner door, and
right doors are okay.
Go to step 2.
7527
Diagnostic information
117
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 ...