iPF840 User's Guide Ver.1.00

7
Close the Top Cover.
The contrast becomes uneven during printing
The contrast becomes uneven during printing
Cause Corrective Action
The paper feed amount is out of adjustment. Adjust the feed amount.
(See "Adjusting the Feed Amount.") ➔P.558
The type of paper specified in the printer driv-
er does not match the type loaded in the
printer.
Load paper of the same type as you have specified in the printer driver.
(See "Loading Rolls in the Printer.") ➔P.345
(See "Loading Sheets in the Printer.") ➔P.369
Make sure the same type of paper is specified in the printer driver as you have loa-
ded in the printer.
1. Press the Stop button and stop printing.
2. Change the type of paper in the printer driver and try printing again.
The length of printed images is inaccurate in the feeding direction
The length of printed images is inaccurate in the feeding direction
Cause Corrective Action
In the Control Panel menu, Adj. Priority is
set to Print Quality.
Set Adj. Priority to Print Length in the Control Panel menu, and then execute Adjust
Length.
(See "Adjusting the Feed Amount.") ➔P.558
The type of paper specified in the printer
driver does not match the type loaded in
the printer.
Load paper of the same type as you have specified in the printer driver.
(See "Loading Rolls in the Printer.") ➔P.345
(See "Loading Sheets in the Printer.") ➔P.369
Make sure the same type of paper is specified in the printer driver as you have loaded
in the printer.
1.
Press the Stop button and stop printing.
2. Change the type of paper in the printer driver and try printing again.
Images are printed crooked
Images are printed crooked
Cause Corrective Action
In the Control Panel menu, Skew Check Lv. is set to Loose or Off. In the Control Panel menu, set Skew Check Lv. to Standard.
In the Control Panel menu, Width Detection is set to Off. Set Width Detection to On in the Control Panel menu.
Documents are printed in monochrome
Documents are printed in monochrome
Cause Corrective Action
In the Advanced Settings of the printer driver, Mon-
ochrome, Monochrome (BK ink), or Monochrome
Bitmap is specified in Color Mode.
In the Advanced Settings of the printer driver, specify Color in Color Mode
and try printing again.
The Printhead nozzles are clogged. Print a test pattern to check the color ink nozzles and see if they are clogged.
(See "Checking for Nozzle Clogging.") ➔P.577
The contrast becomes uneven during printing iPF840
User's Guide
Troubleshooting Problems with the printing quality
624