Panasonic KX-FT981LA-B Service Manual page 103

12.5.4.6. Black or White Vertical Lines Appear
REFERENCE:
(*1): Test Mode (P.54)
(*2): How to Remove the Lock Lever and Thermal Head (P.131)
(*3): Maintenance Items and Component Locations (P.140)
(*4): How to Remove the Operation Board, LCD and Platen Roller (P.136)
(*5): How to Remove the Image Sensor (CIS) and Feed Roller (P.129)
(*6): Digital Board Section (P.106)
Note:
12.5.4.7. Skewed Receiving Image
REFERENCE:
(*1): Installing the Recording Paper (P.50)
103
KX-FT981LA-B / KX-FT987LA-B