Toner density error service check
Action
Yes
No
Step 1
Reseat the toner density sensor cable. See
Does the problem remain?
Go to step 2.
The problem is
solved.
Step 2
a
Remove the toner cartridge and imaging unit.
b
Clean and check both units for toner leaks.
Are the toner cartridge and imaging unit free of leaks?
Go to step 3.
Replace the affected
toner cartridge and
imaging unit, and
then go to step 3.
Step 3
a
Remove the transfer roller to access the area underneath it. See
“Transfer roller removal” on page 206
b
Clear the area of dust and toner contamination.
c
Remove tray 1, and then manually actuate the toner density
sensor wiper by moving the pick roller up and down.
Does the problem remain?
Go to step 4.
The problem is
solved.
Step 4
a
Remove the sensor (toner density). See
b
Check the sensor and its wiper bracket for damage.
Are the sensor and its wiper bracket free of damage?
Go to step 5.
Go to step 6.
Step 5
a
Clean, and then reinstall the sensor and its wiper bracket. Add
lubrication to the wiper bracket if necessary. See
(toner density) removal” on page 222
.
b
Check the pick roller cam for damage.
Note:
The rotation of the pick roller cam triggers the
movement of the wiper bracket.
Is the pick roller cam free of damage?
Go to step 6.
Go to step 7.
Step 6
Replace the sensor (toner density). See
Does the problem remain?
Go to step 7.
The problem is
solved.
Step 7
Replace the pick roller cam. See
“Pick roller assembly removal”
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
4600-830, -835, -895
Diagnostics and troubleshooting
117
Содержание M124x
Страница 20: ...4600 830 835 895 20 ...
Страница 152: ...4600 830 835 895 152 ...
Страница 181: ...D 8 Release the two latches E and then remove the gears F E F 4600 830 835 895 Parts removal 181 ...
Страница 208: ...4 Remove the four screws A A A 4600 830 835 895 Parts removal 208 ...
Страница 215: ...7 Lift the stopper C and then remove the front USB port C D 4600 830 835 895 Parts removal 215 ...
Страница 217: ...3 Disconnect the cable C under the printer and then remove the two screws D D D C 4600 830 835 895 Parts removal 217 ...
Страница 225: ...4 Disconnect the cable from the sensor A A 4600 830 835 895 Parts removal 225 ...
Страница 229: ...B A C D E E 4600 830 835 895 Parts removal 229 ...
Страница 244: ...4600 830 835 895 244 ...
Страница 248: ...Duplex path rollers 1 Duplex rear roller 2 Duplex front roller 4600 830 835 895 Component locations 248 ...
Страница 259: ...Assembly 1 Covers 9 8 7 6 4 3 2 1 5 4600 830 835 895 Parts catalog 259 ...
Страница 261: ...Assembly 2 Control panel 2 1 1 2 3 3 4 4 4600 830 835 895 Parts catalog 261 ...
Страница 263: ...Assembly 3 Electronics 1 4600 830 835 895 Parts catalog 263 ...
Страница 265: ...Assembly 4 Electronics 2 2 5 1 3 4 4600 830 835 895 Parts catalog 265 ...
Страница 267: ...Assembly 5 Electronics 3 4 3 6 7 2 5 1 4600 830 835 895 Parts catalog 267 ...
Страница 269: ...Assembly 6 Electronics 4 2 1 4 3 6 5 4600 830 835 895 Parts catalog 269 ...
Страница 271: ...Assembly 7 Paper transport 1 1 2 3 4 5 6 4600 830 835 895 Parts catalog 271 ...
Страница 273: ...Assembly 8 Paper transport 2 5 1 4 4 3 2 4600 830 835 895 Parts catalog 273 ...
Страница 275: ...Assembly 9 MPF and standard tray 1 3 2 4600 830 835 895 Parts catalog 275 ...
Страница 277: ...Assembly 10 Optional trays 2 4 3 1 4600 830 835 895 Parts catalog 277 ...
Страница 280: ...4600 830 835 895 Parts catalog 280 ...
Страница 282: ...4600 830 835 895 282 ...
Страница 302: ...4600 830 835 895 302 ...
Страница 312: ...4600 830 835 895 Part number index 312 ...
Страница 316: ...4600 830 835 895 Part name index 316 ...