HP 1100AHP - Manual (Page 185)

C4224-90962 183
List of Figures
Control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Printer light patterns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Scanner control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Basic configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Printer unit functional block diagram . . . . . . . . . . . . . . . . . . . . . .43
ECU loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
High-voltage power supply circuit . . . . . . . . . . . . . . . . . . . . . . . .47
Image formation block diagram . . . . . . . . . . . . . . . . . . . . . . . . . .51
Simplified paper path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Simplified scanner document path . . . . . . . . . . . . . . . . . . . . . . . .57
General timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Removing the paper guides . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
Removing the optional scanner unit . . . . . . . . . . . . . . . . . . . . . . .65
Opening the scanner unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
Removing the Contact Image Sensor (continued on next page) .67
Removing the Contact Image Sensor (continued) . . . . . . . . . . . .68
Disconnecting the CIS wire connector . . . . . . . . . . . . . . . . . . . . .69
Opening the printer door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
Disconnecting the stabilizer bars . . . . . . . . . . . . . . . . . . . . . . . . .71
Storing the stabilizer bars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
Removing the paper deflector . . . . . . . . . . . . . . . . . . . . . . . . . . .73
Removing the door from the hinge mechanism (continued on next page) 74
Removing the cover from the hinge mechanism (continued) . . . .75
Removing the stabilizing pods . . . . . . . . . . . . . . . . . . . . . . . . . . .76
Removing the screws on the back cover . . . . . . . . . . . . . . . . . . .77
Removing the back cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78
Removing the paper guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
Removing the front cover (continued on next page) . . . . . . . . . .80
Removing the front cover (continued) . . . . . . . . . . . . . . . . . . . . .81
Stabilizer bars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
Removing the printer laser/scanner cover . . . . . . . . . . . . . . . . . .83
Disconnecting the scanner assembly cables . . . . . . . . . . . . . . . .84
Releasing the output roller (continued on next page) . . . . . . . . . .85
Releasing the output roller snaps . . . . . . . . . . . . . . . . . . . . . . . . .86
Removing the torsion screws on the delivery assembly . . . . . . . .87
Removing the delivery assembly . . . . . . . . . . . . . . . . . . . . . . . . .88
Paper Exit Sensor Flag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Metal Clips Holding Fusing Element . . . . . . . . . . . . . . . . . . . . . .90
Reassembly of fusing element clips . . . . . . . . . . . . . . . . . . . . . . .91
Releasing the fusing element cable connection, left side . . . . . . .92
Releasing the fusing element cable connection, right side . . . . .93
Removing the fusing element . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Removing the motor cable connection to the gear train cover . . .95
Removing the gear train cover . . . . . . . . . . . . . . . . . . . . . . . . . . .96
Removing the gear train motor . . . . . . . . . . . . . . . . . . . . . . . . . . .97
Removing the solenoid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Removing the pressure roller (continued on next page) . . . . . . .99
Removing the pressure roller . . . . . . . . . . . . . . . . . . . . . . . . . . .100
Changing the pickup roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
Accessing the paper pick-up assembly area . . . . . . . . . . . . . . .103
Removing the paper pick-up assembly cover . . . . . . . . . . . . . .104