Causes And Solution (Print Quality) - Citizen OP900II Technical Manual

5、Causes and Solution (Print quality)
Error type
1
Ribbon sticking
2
White margin (top or
bottom)
3
White margin (left or
right)
4
Unprinted area
(vertical)
5
Unprinted area (spot)
6 Indentations on the print
surface
P
(Dirt of a fixed interval)
7
Ribbon wrinkle
8
Register slippage
9 Faded Print
Cause
Improper voltage for the ribbon
Improper mechanism adjustment
Problem with the setting
uneven ends
The transmitted image size is small. The transmission data size is
Improper insertion of head FFC
There is silicone on the head FFC
There is dirt on the media
There is dirt on the platen rolleror
broken（P=51mm）
There is dirt on the grip roller
（P=38mm）
There is dirt on the pinch roller
（P=38mm）
Wear and tear of the head
There is dirt on the grip roller
Life of the paper feed mechanism
The head pressure is not proper.
The head offset is not proper.
68
Solution
Adjust the sensor voltage using
TOOLS position
sensor
Adjust the mechanism
TOOLS
Reset the paper
Set the new paper
made proper.
Recheck the head FFC
Clean the FFC
Clean the inside of the printer
Clean the platen roller
,or Replace it
Clean the grip roller
Clean the pinch roller
Change the head
Clean the grip roller
Replace it
Check Head Flame Assembly
and the head
Replace the Head
Assembly
Replace the head
detection
using
Flame