3-86
Confidential
■ Pickup function of paper tray does not work.
■ The new toner is not detected.
■ Printing from Macintosh applications fails.
■ USB direct printing does not work.
Step Cause Remedy
1 Link lever catching on some position Re-assemble the link lever.
2
Pickup roller holder ASSY catching
on some position
Re-assemble the pickup roller holder
ASSY catching on some position.
3 Roller holder ASSY failure Replace the roller holder ASSY.
4 Main motor failure Replace the main motor.
5 Pressure plate drive cam failure Replace the frame L.
6 Main PCB ASSY failure Replace the main PCB ASSY.
Step Cause Remedy
1
New toner actuator not operating
smoothly or catching.
Make sure correct movement of the new
toner actuator of the appropriate color.
2 Main PCB failure Replace the main PCB ASSY.
3
Toner sensor (TE/NEW) failure Replace the relay front PCB ASSY (TE/
NEW) of the appropriate color.
<User Check>
- Check that the printer driver which, is supplied with the product, is installed in Library/
Printers, and that the print queue is created.
- Check the connecting end on the printer browser. It must be matched with the
connecting end which is actually connected.
Step Possible cause Check
Result
Remedy
1
Failure inside the
machine
Does the machine print
test pattern?
(Check it following the
procedure described in
"4.5 Test Pattern 1
(Function code 09)" in
Chapter 7.)
No
Identify the error type, and
then refer to the specified
section of this chapter.
2
Breakage of
main PCB
Does the machine make
a print using a correct
PC and a USB cable?
No
Replace the main PCB
ASSY.
Step Cause Remedy
1 USB host PCB failure Replace the USB host PCB.
2 Main PCB failure Replace the main PCB ASSY.
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