Action Yes No
Step 2
a Perform the blank or white pages service check or missing
color service check. See
“Blank or white pages check” on
page 37 or “Missing color check” on page 53.
b Enter the Diagnostics menu, and then navigate to:
Printer setup > EP setup > Toner patch sensor adjust
c On the sensor gain characterization row, touch Start.
d On the sensor gain verification row, touch Start.
e Check the graph in the printout.
This sample graph shows good values:
Note: The normal range of the sensor voltage is 1.5–2.0 volts.
Does the graph show good values?
The problem is
solved.
Go to step 3.
Step 3
a Remove the imaging kit.
b Move the TPS wiper mechanism lever up and down.
Does the wiper mechanism properly move?
Go to step 5. Go to step 4.
Step 4
Check the TPS sled and TPS wiper mechanism for proper
installation.
Are the TPS sled and TPS wiper mechanism properly installed?
Go to step 6. Go to step 5.
Step 5
Reinstall, repair, or replace the TPS sled and TPS wiper mechanism.
See
“TPS sled removal” on page 327 and “TPS wiper
mechanism removal” on page 330.
Does the problem remain?
Go to step 6. The problem is
solved.
5028
Diagnostic information
238
To Next Page
Loading...
Need help?
General
