Toshiba FC-22 Manual page 181

Criteria
Perform following procedures from 2 and after.
Grid line deviation?
Parallel deviation in secondary-scanning, occurring all over the
face, almost in order Y-M-C-K from paper exit side?
Does the roller surface lack in friction and is it slippery?
Parallel deviation in secondary-scanning, occurring all over the
face, almost in order Y-M-C-K from paper exit side?
Is paper tightened?
Is paper tightened?
Is the value significantly different from the default value 1700?
(The value shifts one step each in connection with transfer belt
speed.)
Fluctuating primary-scanning deviation?
Damaged or broken edge?
Fluctuating secondary-scanning deviation?
Is there any stain?
Fluctuating secondary-scanning deviation?
Deviation at front or rear of primary-scanning line?
Primary-scanning line warp?
Primary-scanning line warp?
January 2000 © TOSHIBA TEC
Measures
Color registraion control forced performing.
Re-adjust paper feed motor speed. * See P. 4-58.
Re-adjust paper feed motor speed. * See P. 4-58.
Replace registration roller.
By fine adjustment (a few steps at a time), slacken paper
slightly, not tighten it (to a straight line in side view) between
transfer belt and fuser unit.
Increase the value of 05-408 (correction of fuser motor
rotation speed in the thick paper 3 mode), by finely adjusting
a few steps at a time.
Troubleshoot drum driving.
Troubleshoot drum driving.
Reset drum motor speed to 1700.
Tighten screws.
Replace couplings.
Replace couplings.
Replace belt (troubleshoot transfer belt).
Clean it.
Troubleshoot used toner system.
Replace cleaning blade(troubleshoot transfer belt).
Replace unit.
Replace unit. (Reflection mirror)
Replace unit.
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