My Projects

Canon LBP-8 III  GB-1494V-OS SH84149

LCD Description
ModelGB-1494V-OS SH84149
ManufacturerCanon
Recovered fromCanon LBP-8 III printer, HP Laserjet III printer
LCD typepositive
Polarizer typereflective
Columns16 1)
Rows1
Char matrix5×7
Driver ICHitachi HD44780A00
Backlight-
Arduino driverLiquidCrystal.h
Connectorpin header
Num Pins14
Pin spacing0.1”
Connector pin-out Arduino test rig
Pin#IC pinLabelPin
123 gndgnd
233vcc+5v
330v5Contrast adjustment 2)
436rsd8
537r/w'gnd
638ed9
739d0
840d1
941d2
1042d3
1143d4d4
1244d5d5
1345d6d6
1446d7d7



The LCD is mounted on a sub-board that can be unsoldered from the mainboard.

Datasheets

  • HD44780 Dot Matrix Liquid Crystal Display Controller/Driver.
  • HD44780U Dot Matrix Liquid Crystal Display Controller/Driver.

Examples from Canon LBP-8 III printer :

Canon LBP-8 III  GB-1494V-OS SH84149 front

Canon LBP-8 III  GB-1494V-OS SH84149 back

Canon LBP-8 III  GB-1494V-OS SH84149 overview with board

Canon LBP-8 III  GB-1494V-OS SH84149 overview with board

Canon LBP-8 III  GB-1494V-OS SH84149overview with board

Canon LBP-8 III  GB-1494V-OS SH84149 chip

Canon LBP-8 III  GB-1494V-OS SH84149 examples

Canon LBP-8 III  GB-1494V-OS SH84149 pixel layout

Examples from HP LaserJet III printer :

HP LaserJet III  GB-1494V-OS SH84149 overview with board

HP LaserJet III  GB-1494V-OS SH84149 overview with board

HP LaserJet III  GB-1494V-OS SH84149overview with board

1) setup as two rows of 8 characters on one line
2) connect to potentiometer between Vcc and GND